GESAC Holemaking Tools Catalogue - 电子画册在线预览、各类电子画册在线制作-云展网平台

5D External Coolant Twist Drills for Steel

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D938-A5N-0630	6.30	53	91	8 36		43.61.15
D938-A5N-0640	6.40	53	91	8	36	43.4	1.16	O
D938-A5N-0650	6.50	53	91	8	36	43.3	1.18
D938-A5N-0660	6.60	53	91	8	36	43.1	1.20	●
D938-A5N-0670	6.70	53	91	8	36	43.0	1.22
D938-A5N-0680	6.80	53	91	8	36	42.8	1.24	●
D938-A5N-0690	6.90	53	91	8	36	42.7	1.26	•
D938-A5N-0700	7.00	53	91	8	36	42.5	1.27
D938-A5N-0710	7.10	53	91	8	36	42.4	1.29
D938-A5N-0720	7.20	53	91	8	36	42.21.31		O
D938-A5N-0730	7.30	53	91	8	36	42.1 1.33		O
D938-A5N-0740	7.40	53	91	8	36	41.91.35		●
D938-A5N-0745	7.45	53	91	8	36	41.81.36		O
D938-A5N-0750	7.50	53	91	8	36	41.81.36		O
D938-A5N-0755	7.55	53	91	8	36	41.71.37		O
D938-A5N-0760	7.60	53	91	8	36	41.61.38		O
D938-A5N-0770	7.70	53	91	8	36	41.51.40		O
D938-A5N-0780	7.80	53	91	8	36	41.31.42		●
D938-A5N-0790	7.90	53	91	8	36	41.21.44		O
D938-A5N-0800	8.00	53	91	8	36	41.01.46		●
D938-A5N-0810	8.10	61	103	10	40	48.91.47
D938-A5N-0815	8.15	61	103	10	40	48.81.48		O
D938-A5N-0820	8.20	61	103	10	40	48.71.49		O
D938-A5N-0830	8.30	61	103	10	40	48.61.51		O
D938-A5N-0840	8.40	61	103	10	40	48.41.53		O
D938-A5N-0850	8.50	61	103	10	40	48.31.55		●
D938-A5N-0860	8.60	61	103	10	40	48.11.57		●

》Continue
StockAvailable upon OrderNote: Accept customization from D1 to D20 tool
Unit(mm)

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D938-A5N-0870	8.70	61	103	10 4048.01.58
D938-A5N-0880	8.80	61	103	10	40	47.8	1.60	●
D938-A5N-0890	8.90	61	103	10	40	47.7	1.62	●
D938-A5N-0900	9.00	61	103	10	40	47.5	1.64	●
D938-A5N-0910	9.10	61	103	10	40	47.4	1.66	O
D938-A5N-0920	9.20	61	103	10	40	47.2	1.67	●
D938-A5N-0925	9.25	61	103	10	40	47.1	1.68	O
D938-A5N-0930	9.30	61	103	10	40	47.1	1.69	●
D938-A5N-0935	9.35	61	103	10	40	47.0	1.70	O
D938-A5N-0940	9.40	61	103	10	40	46.9	1.71	O
D938-A5N-0950	9.50	61	103	10	40	46.8	1.73
D938-A5N-0955	9.55	61	103	10	40	46.7	1.74	O
D938-A5N-0960	9.60	611	03	10	40	46.6	1.75
D938-A5N-0970	9.70	61	103	10	40	46.5	1.77	O
D938-A5N-0980	9.80	61	103	10	40	46.3	1.78	●
D938-A5N-0990	9.90	61	103	10	40	46.2	1.80	●
D938-A5N-1000	10.00	61	103	10	40	46.0	1.82	•
D938-A5N-1005	10.05	61	103	10	40	45.9	1.83	O
D938-A5N-1010	10.10	71	118	12	45	55.9	1.84	O
D938-A5N-1020	10.20	71	118	12	45	55.7	1.86	●
D938-A5N-1025	10.25	71	118	12	45	55.6	1.87	O
D938-A5N-1030	10.30	71	118	12	45	55.6	1.87	●
D938-A5N-1040	10.40	71	118	12	45	55.41.89		O
D938-A5N-1050	10.50	71	118	12	45	55.3	1.91	●
D938-A5N-1060	10.60	71	118	12	45	55.11.93
D938-A5N-1070	10.70	71	118	12	45	55.01.95		●
D938-A5N-1080	10.80	71	118	12	45	54.81.97		O

Workpiece Material

1234

123

CarbonSteel,Alloy Steel

AlloySteels,ToolMSteels

PH andFerritic/artensiticStainlessSteel

StainlessSteel

Gray CastIron, HighDuctileCast Iron

AlloyCast Iron

ForgedAluminiumAlloys,CastAluminiumAlloys

CastAluminiumAlloys

CopperAlloys

CompoundMaterial

HeatResistantSuperAlloys

TitaniumAlloys

HardenedSteels

<35HRC

35-48HRC

<35HRC3

5-45HRC

Si<12%

Si>12%

<HB200

<HB450

<HB400

45-55HRC

55-60HRC

Most SuitableSuitable
Recommended Cutting Data P073

5D External Coolant Twist Drills for Steel

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D938-A5N-1085	10.85	71	118	12	45	54.71.97		O
D938-A5N-1090	10.90	71	118	12	45	54.7	1.98	O
D938-A5N-1100	11.00	71	118	12	45	54.5	2.00	•
D938-A5N-1110	11.10	71	118	12	45	54.4	2.02	O
D938-A5N-1120	11.20	71	118	12	45	54.2	2.04	O
D938-A5N-1130	11.30	71	118	12	45	54.1	2.06	O
D938-A5N-1140	11.40	71	118	12	45	53.9	2.07	●
D938-A5N-1150	11.50	71	118	12	45	53.8	2.09	•
D938-A5N-1160	11.60	71	118	12	45	53.6	2.11
D938-A5N-1170	11.70	71	118	12	45	53.5	2.13
D938-A5N-1180	11.80	71	118	12	45	53.3	2.15
D938-A5N-1190	11.90	71	118	12	45	53.2	2.17
D938-A5N-1200	12.00	71	118	12	45	53.0	2.18	•
D938-A5N-1210	12.10	77	124	14	45	58.9	2.20
D938-A5N-1220	12.20	77	124	14	45	58.7	2.22
D938-A5N-1230	12.30	77	124	14	45	58.6	2.24
D938-A5N-1240	12.40	77	124	14	45	58.4	2.26	O
D938-A5N-1250	12.50	77	124	14	45	58.3	2.27
D938-A5N-1260	12.60	77	124	14	45	58.1	2.29	●
D938-A5N-1270	12.70	77	124	14	45	58.0	2.31
D938-A5N-1280	12.80	77	124	14	45	57.82.33
D938-A5N-1290	12.90	77	124	14	45	57.7	2.35
D938-A5N-1300	13.00	77	124	14	45	57.5	2.37	●
D938-A5N-1320	13.20	77	124	14	45	57.22.40
D938-A5N-1350	13.50	77	124	14	45	56.82.46
D938-A5N-1355	13.55	77	124	14	45	56.72.47
D938-A5N-1370	13.70	77	124	14	45	56.5	2.49	O

》Continue
●StockAvailable upon OrderNote: Accept customization from D1 to D20 tool
Unit(mm)

Ordering Code	DC (m7)	LCF	OAL	DMM (h6)	LS	LU	PL	Stock
D938-A5N-1375	13.75	77	124	14	45	56.4	2.50	O
D938-A5N-1380	13.80	77	124	14	45	56.3	2.51	O
D938-A5N-1390	13.90	77	124	14	45	56.2 2.53		O
D938-A5N-1400	14.00	77	124	14	45	56.0	2.55
D938-A5N-1410	14.10	83	133	16	48	61.9	2.57	O
D938-A5N-1420	14.20	83	3133	16	48	61.7 2.58
D938-A5N-1430	14.30	83	3 133	16	48	61.6 2.60		O
D938-A5N-1450	14.50	83	133	16	48	61.3 2.64
D938-A5N-1460	14.60	83	133	16	48	61.1 2.66
D938-A5N-1480	14.80	83	133	16	48	60.8	2.69	O
D938-A5N-1500	15.00	83	133	16	48	60.5 2.73
D938-A5N-1510	15.10	83	133	16	48	60.4	2.75	O
D938-A5N-1525	15.25	83	133	16	48	60.1 2.78		O
D938-A5N-1550	15.50	83	133	16	48	59.8	2.82	O
D938-A5N-1570	15.70	83	133	16	48	59.5	2.86	O
D938-A5N-1580	15.80	83	133	16	48	59.3	2.88	O
D938-A5N-1600	16.00	83	133	16	48	59.0	2.91
D938-A5N-1650	16.50	93	143	18	48	68.3	3.00
D938-A5N-1660	16.60	93	143	18	48	68.1	3.02
D938-A5N-1680	16.80	93	143	18	48	67.8	3.06	O
D938-A5N-1695	16.95	93	143	18	48	67.6	3.08	O
D938-A5N-1700	17.00	93	143	18	48	67.5	3.09
D938-A5N-1730	17.30	93	143	18	48	67.1	3.15	O
D938-A5N-1750	17.50	93	143	18	48	66.8	3.18
D938-A5N-1780	17.80	93	143	18	48	66.3	3.24	O
D938-A5N-1795	17.95	93	143	18	48	66.1	3.27	O
D938-A5N-1800	18.00	93	143	18	48	66.0	3.28	O

Workpiece Material

1234

123

CarbonSteel,Alloy Steel

AlloySteels,ToolMSteels

PH andFerritic/artensiticStainlessSteel

StainlessSteel

Gray CastIron, HighDuctileCast Iron

AlloyCast Iron

ForgedAluminiumAlloys,CastAluminiumAlloys

CastAluminiumAlloys

CopperAlloys

CompoundMaterial

HeatResistantSuperAlloys

TitaniumAlloys

HardenedSteels

<35HRC

35-48HRC

<35HRC3

5-45HRC

Si<12%

Si>12%

<HB200

<HB450

<HB400

45-55HRC

55-60HRC

Most SuitableSuitable
Recommended Cutting Data P073

5D External Coolant Twist Drills for Steel

》Continue

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D938-A5N-1850	18.50	101	153	20	50	73.3	3.37	O
D938-A5N-1860	18.60	101	153	20	50	73.1	3.38	O
D938-A5N-1900	19.00	101	153	20	50	72.5	3.46	O
D938-A5N-1950	19.50	101	153	20	50	71.8	3.55	●
D938-A5N-2000	20.00	101	153	20	50	71.0	3.64	O

●Stock Available upon Order Note: Accept customization from D1 to D20 tool

Unit(mm)

Nominal Size Range	DC(m7)	DMM(h6)
≥2-3	+0.002/+0.012	0.000/-0.006
>3-6	+0.004/+0.016	0.000/-0.008
>6-10	+0.006/+0.021	0.000/-0.009
>10-18	+0.007/+0.025	0.000/-0.011
>18-20	+0.008/+0.029	0.000/-0.013

Workpiece Material

1234

123

CarbonSteel,Alloy Steel

AlloySteels,ToolMSteels

PH andFerritic/artensiticStainlessSteel

StainlessSteel

Gray CastIron, HighDuctileCast Iron

AlloyCast Iron

ForgedAluminiumAlloys,CastAluminiumAlloys

CastAluminiumAlloys

CopperAlloys

CompoundMaterial

HeatResistantSuperAlloys

TitaniumAlloys

HardenedSteels

<35HRC

35-48HRC

<35HRC

35-45HRC

Si<12%

Si>12%

<HB200

<HB450

<HB400

45-55HRC

55-60HRC

◎

Most SuitableSuitable
Recommended Cutting Data P073

5D Internal Coolant Twist Drills for Steel

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D938-A5C-0200	2.00	18 62		4	38	15.00.36		O
D938-A5C-0250	2.50	22	62	4	35	18.3	0.45	O
D938-A5C-0260	2.60	22	62	4	35	18.1	0.47	O
D938-A5C-0280	2.80	22	62	4	35	17.8	0.51	O
D938-A5C-0300	3.00	28	66	6	36	23.5	0.55
D938-A5C-0305	3.05	28	66	6	36	23.4	0.56	●
D938-A5C-0310	3.10	28	66	6	36	23.4	0.56	●
D938-A5C-0320	3.20	28	66	6	36	23.2	0.58	●
D938-A5C-0325	3.25	28	66	6	36	23.1	0.59	O
D938-A5C-0330	3.30	28	66	6	36	23.1	0.60	●
D938-A5C-0340	3.40	28	66	6	36	22.9	0.62
D938-A5C-0350	3.50	28	66	6	36	22.8	0.64	●
D938-A5C-0360	3.60	28	66	6	36	22.6	0.66	●
D938-A5C-0365	3.65	28	66	6	36	22.5	0.66	O
D938-A5C-0370	3.70	28	66	6	36	22.5	0.67
D938-A5C-0380	3.80	36	74	6	36	30.3	0.69	●
D938-A5C-0390	3.90	36	74	6	36	30.2	0.71
D938-A5C-0400	4.00	36	74	6	36	30.0	0.73	●
D938-A5C-0405	4.05	36	74	6	36	29.9	0.74	O
D938-A5C-0410	4.10	36	74	6	36	29.9	0.75	●
D938-A5C-0420	4.20	36	74	6	36	29.7	0.76	●
D938-A5C-0430	4.30	36	74	6	36	29.6	0.78
D938-A5C-0440	4.40	36	74	6	36	29.4	0.80
D938-A5C-0450	4.50	36	74	6	36	29.3	0.82	●
D938-A5C-0460	4.60	36	74	6	36	29.1	0.84	●
D938-A5C-0465	4.65	36	74	6	36	29.0	0.85	●
D938-A5C-0470	4.70	36	74	6	36	29.00.86		●

StockAvailable upon OrderNote: Accept customization from D2 to D20 tool

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D938-A5C-0480	4.80 44 82 6 3636.80.87
D938-A5C-0490	4.90	44	82	6	36	36.70.89		●
D938-A5C-0500	5.00	44	82	6	36	36.50.91
D938-A5C-0505	5.05	44	82	6	36	36.4	0.92	O
D938-A5C-0510	5.10	44	82	6	36	36.40.93		●
D938-A5C-0520	5.20	44	82	6	36	36.20.95
D938-A5C-0530	5.30	44	82	6	36	36.10.96		●
D938-A5C-0540	5.40	44	82	6	36	35.90.98		●
D938-A5C-0550	5.50	44	82	6	36	35.8 1.00		•
D938-A5C-0555	5.55	44	82	6	36	35.71.01		●
D938-A5C-0560	5.60	44	82	6	36	35.61.02
D938-A5C-0570	5.70	44	82	6	36	35.51.04		●
D938-A5C-0580	5.80	44	82	6	36	35.31.06		●
D938-A5C-0590	5.90	44	82	6	36	35.21.07
D938-A5C-0600	6.00	44	82	6	36	35.01.09		●
D938-A5C-0605	6.05	44	82	6	36	34.91.10		O
D938-A5C-0610	6.10	53	91	8	36	43.91.11
D938-A5C-0620	6.20	53	91	8	36	43.71.13
D938-A5C-0630	6.30	53	91	8	36	43.61.15		●
D938-A5C-0640	6.40	53	91	8	36	43.41.16		O
D938-A5C-0650	6.50	53	91	8	36	43.31.18
D938-A5C-0660	6.60	53	91	8	36	43.11.20		●
D938-A5C-0670	6.70	53	91	8	36	43.01.22
D938-A5C-0680	6.80	53	91	8	36	42.81.24		●
D938-A5C-0690	6.90	53	91	8	36	42.71.26		●
D938-A5C-0700	7.00	53	91	8	36	42.51.27
D938-A5C-0705	7.05 53 91			8 36 42.41.28 O

Unit(mm)

Workpiece Material

1234

123

CarbonSteel,Alloy Steel

AlloySteels,ToolMSteels

PH andFerritic/artensiticStainlessSteel

StainlessSteel

Gray CastIron, HighDuctileCast Iron

AlloyCast Iron

ForgedAluminiumAlloys,CastAluminiumAlloys

CastAluminiumAlloys

CopperAlloys

CompoundMaterial

HeatResistantSuperAlloys

TitaniumAlloys

HardenedSteels

<35HRC

35-48HRC

<35HRC

35-45HRC

Si<12%

Si>12%

<HB200

<HB450

<HB400

45-55HRC

55-60HRC

Most SuitableSuitable
Recommended Cutting Data P073

5D Internal Coolant Twist Drills for Steel

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D938-A5C-0710	7.10	53	91	8 36		42.41.29
D938-A5C-0720	7.20	53	91	8	36	42.2	1.31	O
D938-A5C-0730	7.30	53	91	8	36	42.1	1.33	O
D938-A5C-0740	7.40	53	91	8	36	41.9	1.35	●
D938-A5C-0745	7.45	53	91	8	36	41.8	1.36
D938-A5C-0750	7.50	53	91	8	36	41.8	1.36	●
D938-A5C-0755	7.55	53	91	8	36	41.7	1.37	O
D938-A5C-0760	7.60	53	91	8	36	41.6	1.38	O
D938-A5C-0770	7.70	53	91	8	36	41.5	1.40	O
D938-A5C-0780	7.80	53	91	8	36	41.3	1.42	●
D938-A5C-0790	7.90	53	91	8	36	41.2	1.44	●
D938-A5C-0800	8.00	53	91	8	36	41.0	1.46
D938-A5C-0805	8.05	53	91	8	36	40.9	1.46
D938-A5C-0810	8.10	61	103	10	40	48.9	1.47	●
D938-A5C-0820	8.20	61	103	10	40	48.7	1.49	O
D938-A5C-0830	8.30	61	103	10	40	48.6	1.51	●
D938-A5C-0840	8.40	61	103	10	40	48.4	1.53
D938-A5C-0850	8.50	61	103	10	40	48.3	1.55
D938-A5C-0860	8.60	61	103	10	40	48.1	1.57	●
D938-A5C-0870	8.70	61	103	10	40	48.0	1.58	●
D938-A5C-0880	8.80	61	103	10	40	47.8	1.60
D938-A5C-0890	8.90	61	103	10	40	47.7	1.62	●
D938-A5C-0900	9.00	61	103	10	40	47.5	1.64
D938-A5C-0910	9.10	61	103	10	40	47.4	1.66
D938-A5C-0920	9.20	61	103	10	40	47.21.67		O
D938-A5C-0925	9.25	61	103	10	40	47.1	1.68	O
D938-A5C-0930	9.30	61	103	10	40	47.11.69		●

》Continue
StockAvailable upon OrderNote: Accept customization from D2 to D20 tool
Unit(mm)

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D938-A5C-0935	9.35	61	103	10 40		47.01.70		●
D938-A5C-0940	9.40	61	103	10	40	46.9	1.71
D938-A5C-0950	9.50	61	103	10	40	46.8	1.73	•
D938-A5C-0955	9.55	61	103	10	40	46.7	1.74	O
D938-A5C-0960	9.60	61	103	10	40	46.6	1.75	O
D938-A5C-0970	9.70	61	103	10	40	46.5	1.77
D938-A5C-0980	9.80	61	103	10	40	46.3	1.78	●
D938-A5C-0990	9.90	61	103	10	40	46.2	1.80
D938-A5C-1000	10.00	61	103	10	40	46.0	1.82	•
D938-A5C-1005	10.05	61	103	10	40	45.9	1.83	●
D938-A5C-1010	10.10	71	118	12	45	55.9	1.84
D938-A5C-1020	10.20	71	118	12	45	55.7	1.86	•
D938-A5C-1025	10.25	71	118	12	45	55.6	1.87	O
D938-A5C-1030	10.30	71	118	12	45	55.6	1.87	●
D938-A5C-1040	10.40	71	118	12	45	55.4	1.89	•
D938-A5C-1050	10.50	71	118	12	45	55.3	1.91
D938-A5C-1060	10.60	71	118	12	45	55.1	1.93	O
D938-A5C-1070	10.70	71	118	12	45	55.0	1.95	•
D938-A5C-1080	10.80	71	118	12	45	54.8	1.97
D938-A5C-1085	10.85	71	118	12	45	54.7	1.97	O
D938-A5C-1090	10.90	71	118	12	45	54.7	1.98	O
D938-A5C-1100	11.00	71	118	12	45	54.5	2.00
D938-A5C-1110	11.10	71	118	12	45	54.4	2.02
D938-A5C-1120	11.20	71	118	12	45	54.22.04		•
D938-A5C-1130	11.30	71	118	12	45	54.12.06
D938-A5C-1140	11.40	71	118	12	45	53.92.07		●
D938-A5C-1150	11.50	71	118	12	45	53.82.09

Workpiece Material

1234

123

CarbonSteel,Alloy Steel

AlloySteels,ToolMSteels

PH andFerritic/artensiticStainlessSteel

StainlessSteel

Gray CastIron,DuctileCast Iron

High AlloyCast Iron

ForgedAluminiumAlloys,CastAluminiumAlloys

CastAluminiumAlloys

CopperAlloys

CompoundMaterial

HeatResistantSuperAlloys

TitaniumAlloys

HardenedSteels

<35HRC

35-48HRC

<35HRC

35-45HRC

Si<12%

Si>12%

<HB200

<HB450

<HB400

45-55HRC

55-60HRC

Most SuitableSuitable
Recommended Cutting Data P073

5D Internal Coolant Twist Drills for Steel

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D938-A5C-1160	11.60	71	118 12		45	53.6 2.11		O
D938-A5C-1170	11.70	71	118	12	45	53.5	2.13	●
D938-A5C-1180	11.80	71	118	12	45	53.3	2.15	●
D938-A5C-1190	11.90	71	118	12	45	53.2	2.17	●
D938-A5C-1200	12.00	71	118	12	45	53.0	2.18
D938-A5C-1205	12.05	71	118	12	45	52.92	.19
D938-A5C-1210	12.10	77	124	14	45	58.9	2.20	O
D938-A5C-1220	12.20	77	124	14	45	58.7	2.22	●
D938-A5C-1230	12.30	77	124	14	45	58.6	2.24	O
D938-A5C-1240	12.40	77	124	14	45	58.4	2.26	O
D938-A5C-1250	12.50	77	124	14	45	58.3	2.27	●
D938-A5C-1260	12.60	77	124	14	45	58.1	2.29	O
D938-A5C-1270	12.70	77	124	14	45	58.0	2.31
D938-A5C-1280	12.80	77	124	14	45	57.8	2.33	O
D938-A5C-1285	12.85	77	124	14	45	57.7	2.34	O
D938-A5C-1300	13.00	77	124	14	45	57.5	2.37	●
D938-A5C-1310	13.10	77	124	14	45	57.4	2.38	O
D938-A5C-1320	13.20	77	124	14	45	57.2	2.40	O
D938-A5C-1325	13.25	77	124	14	45	57.1	2.41	O
D938-A5C-1330	13.30	77	124	14	45	57.1	2.42	O
D938-A5C-1350	13.50	77	124	14	45	56.8	2.46
D938-A5C-1360	13.60	77	124	14	45	56.6	2.47	O
D938-A5C-1370	13.70	77	124	14	45	56.5	2.49	●
D938-A5C-1380	13.80	77	124	14	45	56.3	2.51	●
D938-A5C-1390	13.90	77	124	14	45	56.2	2.53
D938-A5C-1400	14.00	77	124	14	45	56.02.55		●
D938-A5C-1410	14.10	83	133	16	48	61.92.57

》Continue
●StockAvailable upon OrderNote: Accept customization from D2 to D20 tool
Unit(mm)

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D938-A5C-1420	14.20	83	133	16	4861.72.58
D938-A5C-1430	14.30	83	133	16	48	61.6	2.60	O
D938-A5C-1440	14.40	83	133	16	48	61.4	2.62	O
D938-A5C-1450	14.50	83	133	16	48	61.3	2.64	●
D938-A5C-1460	14.60	831	33	16	48	61.1	2.66	O
D938-A5C-1470	14.70	831	33	16	48	61.0	2.68	O
D938-A5C-1480	14.80	83	133	16	48	60.8 2.69	2.69	O
D938-A5C-1500	15.00	83	133	16	48	60.5	2.73	•
D938-A5C-1510	15.10	83	133	16	48	60.4	2.75
D938-A5C-1520	15.20	83	133	16	48	60.2	2.77	●
D938-A5C-1530	15.30	831	33	16	48	60.1	2.78	O
D938-A5C-1550	15.50	831	33	16	48	59.8	2.82
D938-A5C-1570	15.70	8331	33	16	48	59.5	2.86	O
D938-A5C-1580	15.80	83	133	16	48	59.3	2.88	●
D938-A5C-1600	16.00	83	133	16	48	59.0	2.91
D938-A5C-1650	16.50	93	143	18	48	68.3	3.00	●
D938-A5C-1670	16.70	93	143	18	48	68.0	3.04	O
D938-A5C-1680	16.80	93	143	18	48	67.8	3.06	O
D938-A5C-1690	16.90	93	143	18	48	67.7	3.08	O
D938-A5C-1700	17.00	93	143	18	48	67.5	3.09	●
D938-A5C-1720	17.20	93	143	18	48	67.2	3.13	O
D938-A5C-1730	17.30	93	143	18	48	67.1	3.15	O
D938-A5C-1750	17.50	93	143	18	48	66.8	3.18
D938-A5C-1770	17.70	93	143	18	48	66.5	3.22	O
D938-A5C-1780	17.80	93	143	18	48	66.3	3.24	O
D938-A5C-1800	18.00	93	143	18	48	66.0	3.28	●
D938-A5C-1850	18.50	101	153	20	50	73.33	.37	●

Workpiece Material

1234

123

CarbonSteel,Alloy Steel

AlloySteels,ToolMSteels

PH andFerritic/artensiticStainlessSteel

StainlessSteel

Gray CastIron,DuctileCast Iron

High AlloyCast Iron

ForgedAluminiumAlloys,CastAluminiumAlloys

CastAluminiumAlloys

CopperAlloys

CompoundMaterial

HeatResistantSuperAlloys

TitaniumAlloys

HardenedSteels

<35HRC

35-48HRC

<35HRC

35-45HRC

Si<12%

Si>12%

<HB200

<HB450

<HB400

45-55HRC

55-60HRC

Most SuitableSuitable
Recommended Cutting Data P073

5D Internal Coolant Twist Drills for Steel

》Continue

Ordering Code	(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D938-A5C-1860	18.60	101	153	20	50	73.1	3.38	O
D938-A5C-1880	18.80	101	153	20	50	72.8	3.42
D938-A5C-1900	19.00	101	153	20	50	72.5	3.46
D938-A5C-1950	19.50	101	153	20	50	71.8	3.55	●
D938-A5C-1960	19.60	101	153	20	50	71.6	3.57	O
D938-A5C-1980	19.80	101	153	20	50	71.3	3.60	O
D938-A5C-2000	20.00 101 153			20 50		71.0	3.64 ●

StockAvailable upon OrderNote: Accept customization from D2 to D20 tool

Unit(mm)

Nominal Size Range	DC(m7)	DMM(h6)
≥2-3	+0.002/+0.012	0.000/-0.006
>3-6	+0.004/+0.016	0.000/-0.008
>6-10	+0.006/+0.021	0.000/-0.009
>10-18	+0.007/+0.025	0.000/-0.011
>18-20	+0.008/+0.029	0.000/-0.013

Workpiece Material

1234

123

CarbonSteel,Alloy Steel

AlloySteels,ToolMSteels

PH andFerritic/artensiticStainlessSteel

StainlessSteel

Gray CastIron, HighDuctileCast Iron

AlloyCast Iron

ForgedAluminiumAlloys,CastAluminiumAlloys

CastAluminiumAlloys

CopperAlloys

CompoundMaterial

HeatResistantSuperAlloys

TitaniumAlloys

HardenedSteels

<35HRC

35-48HRC

<35HRC

35-45HRC

Si<12%

Si>12%

<HB200

<HB450

<HB400

45-55HRC

55-60HRC

Most SuitableSuitable
Recommended Cutting Data P073

8D Internal Coolant Twist Drills for Steel

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D938-A8C-0280	2.80	31	66	4	3026.80.51
D938-A8C-0290	2.90	31	66	4	30	26.7	0.53	O
D938-A8C-0300	3.00	34	72	6	36	29.5	29.5 0.55
D938-A8C-0310	3.10	34	72	6	36	29.4	0.56	O
D938-A8C-0320	3.20	34	72	6	36	29.2	0.58	O
D938-A8C-0325	3.25	34	72	6	36	29.1	0.59	O
D938-A8C-0330	3.30	34	72	6	36	29.1	0.60	●
D938-A8C-0340	3.40	34	72	6	36	28.9	0.62	O
D938-A8C-0350	3.50	34	72	6	36	28.8	0.64
D938-A8C-0360	3.60	34	72	6	36	28.6	0.66	●
D938-A8C-0370	3.70	34	72	6	36	28.5	0.67	O
D938-A8C-0380	3.80	43	81	6	36	37.3	0.69	O
D938-A8C-0390	3.90	43	81	6	36	37.2	0.71	O
D938-A8C-0400	4.00	43	81	6	36	37.0	0.73	●
D938-A8C-0410	4.10	43	81	6	36	36.9	0.75	●
D938-A8C-0420	4.20	43	81	6	36	36.7	0.76	●
D938-A8C-0430	4.30	43	81	6	36	36.6	0.78
D938-A8C-0440	4.40	43	81	6	36	36.4	0.80	O
D938-A8C-0450	4.50	43	81	6	36	36.3	0.82
D938-A8C-0460	4.60	43	81	6	36	36.1	0.84	●
D938-A8C-0470	4.70	43	81	6	36	36.0	0.86	O
D938-A8C-0480	4.80	57	95	6	36	49.8	0.87	O
D938-A8C-0490	4.90	57	95	6	36	49.7	0.89	O
D938-A8C-0500	5.00	57	95	6	36	49.5	0.91	●
D938-A8C-0510	5.10	57	95	6	36	49.4	0.93	●
D938-A8C-0520	5.20	57	95	6	36	49.2	0.95	●
D938-A8C-0530	5.30	57	95	6	36	49.1	0.96	O

StockAvailable upon OrderNote: Accept customization from D3 to D20 tool
Workpiece Material

Ordering Code	DC (m7)	LCF	OAL	DMM (h6)	LS	LU	PL	Stock
D938-A8C-0540	5.40	57	95	6	36	48.9	0.98	O
D938-A8C-0550	5.50	57	95	6	36	48.8	1.00
D938-A8C-0560	5.60	57	95	6	36	48.6	1.02	O
D938-A8C-0570	5.70	57	95	6	36	48.5	1.04	O
D938-A8C-0580	5.80	57	95	6	36	48.3	1.06	O
D938-A8C-0590	5.90	57	95	6	36	48.2	1.07
D938-A8C-0600	6.00	57	95	6	36	48.0	1.09
D938-A8C-0610	6.10	76	114	8	36	66.9	1.11	O
D938-A8C-0620	6.20	76	114	8	36	66.7 1.13
D938-A8C-0630	6.30	76	114	8	36	66.6	1.15	O
D938-A8C-0640	6.40	76	114	8	36	66.4	1.16	O
D938-A8C-0650	6.50	76	114	8	36	66.3	1.18
D938-A8C-0660	6.60	76	114	8	36	66.1	1.20	O
D938-A8C-0670	6.70	76	114	8	36	66.0	1.22
D938-A8C-0680	6.80	76	114	8	36	65.8	1.24
D938-A8C-0690	6.90	76	114	8	36	65.7	1.26	O
D938-A8C-0700	7.00	76	114	8	36	65.5	1.27
D938-A8C-0710	7.10	76	114	8	36	65.4	1.29	O
D938-A8C-0720	7.20	76	114	8	36	65.2	1.31	O
D938-A8C-0730	7.30	76	114	8	36	65.1	1.33	O
D938-A8C-0740	7.40	76	114	8	36	64.9	1.35	O
D938-A8C-0750	7.50	76	114	8	36	64.8	1.36	O
D938-A8C-0760	7.60	76	114	8	36	64.6	1.38	O
D938-A8C-0770	7.70	76	114	8	36	64.5	1.40	O
D938-A8C-0780	7.80	76	114	8	36	64.3	1.42
D938-A8C-0790	7.90	76	114	8	36	64.2	1.44
D938-A8C-0800	8.00	76	114	8	36	64.0	1.46

Unit(mm)

1234

123

CarbonSteel,Alloy Steel

AlloySteels,ToolMSteels

PH andFerritic/artensiticStainlessSteel

StainlessSteel

Gray CastIron, HighDuctileCast Iron

AlloyCast Iron

ForgedAluminiumAlloys,CastAluminiumAlloys

CastAluminiumAlloys

CopperAlloys

CompoundMaterial

HeatResistantSuperAlloys

TitaniumAlloys

HardenedSteels

<35HRC

35-48HRC

<35HRC

35-45HRC

Si<12%

Si>12%

<HB200

<HB450

<HB400

45-55HRC

55-60HRC

Most SuitableSuitable
Recommended Cutting Data P075

8D Internal Coolant Twist Drills for Steel

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D938-A8C-0810	8.10	95	142 10 4082.91.47					O
D938-A8C-0820	8.20	95	142	10	40	82.7	1.49	●
D938-A8C-0830	8.30	951	42	10	40	82.6	1.51
D938-A8C-0840	8.40	95	142	10	40	82.4	1.53	O
D938-A8C-0850	8.50	95	142	10	40	82.3	1.55
D938-A8C-0860	8.60	95	142	10	40	82.1	1.57	O
D938-A8C-0870	8.70	95	142	10	40	82.0	1.58	•
D938-A8C-0880	8.80	95	142	10	40	81.8	1.60	O
D938-A8C-0890	8.90	95	142	10	40	81.7	1.62	●
D938-A8C-0900	9.00	95	142	10	40	81.5	1.64	●
D938-A8C-0910	9.10	95	142	10	40	81.4	1.66	O
D938-A8C-0920	9.20	95	142	10	40	81.2	1.67	●
D938-A8C-0930	9.30	951	42	10	40	81.1	1.69	O
D938-A8C-0940	9.40	951	42	10	40	80.9	1.71	O
D938-A8C-0950	9.50	95	142	10	40	80.8	1.73
D938-A8C-0960	9.60	95	142	10	40	80.6	1.75	O
D938-A8C-0970	9.70	95	142	10	40	80.5	1.77	O
D938-A8C-0980	9.80	95	142	10	40	80.3	1.78	O
D938-A8C-0990	9.90	95	142	10	40	80.21.80		O
D938-A8C-1000	10.00	95	142	10	40	80.0	1.82	●
D938-A8C-1010	10.101	14 1	62	12	45	98.9	1.84	O
D938-A8C-1020	10.20	114	162	12	45	98.7	1.86	●
D938-A8C-1030	10.30	114	114 162	12	45	98.6	1.87	O
D938-A8C-1040	10.40	114	162	12	45	98.4	1.89	O
D938-A8C-1050	10.50	114	162	12	45	98.3	1.91	●
D938-A8C-1060	10.60	114	162	12	45	98.11.93		O
D938-A8C-1080	10.80	114	162	12	45	97.8	1.97	●

》Continue
StockAvailable upon OrderNote: Accept customization from D3 to D20 tool
Unit(mm)

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D938-A8C-109010.90114		162 12 45				97.71.98 O
D938-A8C-1100	11.001	14 1	62	12	45	97.5	2.00	●
D938-A8C-1120	11.201	14 1	62	12	45	97.2	2.04	O
D938-A8C-1130	11.30	114	162	12	45	97.1	2.06	O
D938-A8C-1140	11.401	14 1	62	12	45	96.9	2.07	O
D938-A8C-1150	11.501	14 1	62	12	45	96.8	2.09	●
D938-A8C-1160	11.60	114	162	12	45	96.6	2.11	O
D938-A8C-1170	11.70	114	162	12	45	96.5	2.13	●
D938-A8C-1180	11.80	114	162	12	45	96.3	2.15	O
D938-A8C-1190	11.90	114	162	12	45	96.2 2.17		O
D938-A8C-1200	12.00	114	114 162	12	45	96.0 2.18		●
D938-A8C-1210	12.10	133	182	14	45114.9	2.20		O
D938-A8C-1220	12.201	33 1	82	14	45114.7	2.22		O
D938-A8C-1230	12.30	133	182	14	45114.6	2.24		O
D938-A8C-1240	12.40	133	182	14	45114.4	2.26		O
D938-A8C-1250	12.50	133	182	14	45114.3	2.27		O
D938-A8C-1270	12.70	133	182	14	45	114.02.31		O
D938-A8C-1280	12.80	133	182	14	45	113.82.33		O
D938-A8C-1290	12.90	133	182	14	45113.7	2.35		O
D938-A8C-1300	13.00	133	182	14	45113.5	2.37		●
D938-A8C-1350	13.50	133	182	14	45	112.8 2.46		●
D938-A8C-1380	13.80	133	182	14	45112.3	2.51		O
D938-A8C-1400	14.00	133	182	14	45112.0	2.55
D938-A8C-1420	14.20	152	203	16	48	130.7 2.58		O
D938-A8C-1430	14.30	152	203	16	48130.6	2.60		O
D938-A8C-1450	14.50	152	203	16	48130.3 2.64			O
D938-A8C-1460	14.60	152	203	16	48	130.1 2.66		O

Workpiece Material

1234

123

CarbonSteel,Alloy Steel

AlloySteels,ToolMSteels

PH andFerritic/artensiticStainlessSteel

GrayStainlessSteel

CastIron, HighDuctileCast Iron

AlloyCast IronA

ForgedAluminiumlloys,CastAluminiumAlloys

CastAluminiumAlloys

CopperAlloys

CompoundMaterial

HeatResistantSuperAlloys

TitaniumAlloys

HardenedSteels

<35HRC

35-48HRC

<35HRC3

5-45HRC

Si<12%

Si>12%

<HB200

<HB450

<HB400

45-55HRC

55-60HRC

Most SuitableSuitable
Recommended Cutting Data P075

8D Internal Coolant Twist Drills for Steel

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D938-A8C-1470	14.70	152	203	16 48130.0			2.68	O
D938-A8C-1480	14.80	152	203	16	48	129.8	2.69	O
D938-A8C-1500	15.00	152	203	16	48	129.5	2.73	●
D938-A8C-1520	15.20	152	203	16	48	129.22	2.77	O
D938-A8C-1530	15.30	152	203	16	48	129.1	2.78	O
D938-A8C-1550	15.50	152	203	16	48	128.8	2.82	O
D938-A8C-1580	15.80	152	203	16	48	128.3	2.88	O
D938-A8C-1590	15.90	152	203	16	48	128.2	2.89	O
D938-A8C-1600	16.00	152	203	16	48	128.0	2.91
D938-A8C-1650	16.50	171	222	18	48146.3		3.00	O

StockAvailable upon OrderNote: Accept customization from D3 to D20 tool

》Continue

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D938-A8C-1670	16.70	171	222	18	48146.0		3.04	O
D938-A8C-1700	17.00	171	222	18	48	145.5	3.09	O
D938-A8C-1750	17.50	171	222	18	48	144.8	3.18	O
D938-A8C-1780	17.80	171	222	18	48	144.3	3.24	O
D938-A8C-1800	18.00	171	222	18	48	144.0	3.28	●
D938-A8C-1850	18.50	190	243	20	50	162.3	3.37	O
D938-A8C-1900	19.00	190	243	20	50	161.5	3.46	O
D938-A8C-1950	19.50	190	243	20	50	160.8	3.55	O
D938-A8C-2000	20.00	190	243	20	50	160.0	3.64	O

Unit(mm)

Nominal Size Range	DC(m7)	DMM(h6)
≥2-3	+0.002/+0.012	0.000/-0.006
>3-6	+0.004/+0.016	0.000/-0.008
>6-10	+0.006/+0.021	0.000/-0.009
>10-18	+0.007/+0.025	0.000/-0.011
>18-20	+0.008/+0.029	0.000/-0.013

Workpiece Material

1234

123

CarbonSteel,Alloy Steel

AlloySteels,ToolMSteels

PH andFerritic/artensiticStainlessSteel

StainlessSteel

Gray CastIron,DuctileCast Iron

High AlloyCast Iron

ForgedAluminiumAlloys,CastAluminiumAlloys

CastAluminiumAlloys

CopperAlloys

CompoundMaterial

HeatResistantSuperAlloys

TitaniumAlloys

HardenedSteels

<35HRC

35-48HRC

<35HRC

35-45HRC

Si<12%

Si>12%

<HB200

<HB450

<HB400

45-55HRC

55-60HRC

Most SuitableSuitable
Recommended Cutting Data P075

12D Twist deep Drills for Steel

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D938-A12C-03003.00 54 92 6					36	49.50.62 O
D938-A12C-0330	3.30	54	92	6	36	49.1	0.68	O
D938-A12C-0350	3.50	54	92	6	36	48.8	0.72	O
D938-A12C-0380	3.80	64	102	6	36	58.3	0.79	O
D938-A12C-0390	3.90	64	102	6	36	58.2	0.81	O
D938-A12C-0400	4.00	64	102	6	36	58.0	0.83	●
D938-A12C-0420	4.20	64	102	6	36	57.7	0.87	O
D938-A12C-0430	4.30	64	102	6	36	57.6	0.89	O
D938-A12C-0450	4.50	64	102	6	36	57.3	0.93	O
D938-A12C-0460	4.60	64	102	6	36	57.1	0.95	O
D938-A12C-0470	4.70	64	102	6	36	57.0	0.97	O
D938-A12C-0480	4.80	83	121	6	36	75.8	0.99	O
D938-A12C-0500	5.00	83	121	6	36	75.5	1.04	O
D938-A12C-0550	5.50	83	121	6	36	74.8	1.14	O
D938-A12C-0600	6.00	83	121	6	36	74.0	1.24	O
D938-A12C-0610	6.10	110	148	8	36	100.9	1.26	●
D938-A12C-0650	6.50	110	148	8	36	100.3	1.35	O
D938-A12C-0680	6.80	110	148	8	36	99.8	1.41	O

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D938-A12C-0700	7.00	110148		8	36 99.5		1.45	O
D938-A12C-0800	8.00	110	148	8	36	98.0	1.66	O
D938-A12C-0850	8.50	138	180	10	40	125.3	1.76	O
D938-A12C-0870	8.70	138	180	10	40	125.0	1.80	O
D938-A12C-0900	9.00	138	180	10	40	124.5	1.86	O
D938-A12C-0950	9.50	138	180	10	40	123.8	1.97	O
D938-A12C-1000	10.00	138	180	10	40123.0		2.07	●
D938-A12C-1050	10.50	158	206	12	45	142.3	2.17	O
D938-A12C-1100	11.00	158	206	12	45141.5		2.28	O
D938-A12C-1180	11.80	158	206	12	45140.3		2.44	O
D938-A12C-1200	12.00	158	206	12	45140.0		2.49	O
D938-A12C-1250	12.50	182	230	14	45163.3		2.59	O
D938-A12C-1300	13.00	182	230	14	45162.5		2.69	O
D938-A12C-1400	14.00	182	230	14	45161.0		2.90	O
D938-A12C-1450	14.50	208	260	16	48186.3		3.00	O
D938-A12C-1500	15.00	208	260	16	48185.5		3.11	O
D938-A12C-1600	16.00	208260 16			48184.03.31			O

StockAvailable upon Order Note: Accept customization from D3 to D16 tool
Note: Deep hole drilling D938-A3C use same specification as the guide drill

Unit(mm)

Nominal Size Range	DC(h7)	DMM(h6)
≥3-6	0.000/-0.012	0.000/-0.008
>6-10	0.000/-0.015	0.000/-0.009
>10-18	0.000/-0.018	0.000/-0.011
>18-20	0.000/-0.021	0.000/-0.013

Workpiece Material

1234

123

CarbonSteel,Alloy Steel

AlloySteels,ToolMSteels

PH andFerritic/artensiticStainlessSteel

StainlessSteel

Gray CastIron, HighDuctileCast Iron

AlloyCast Iron

ForgedAluminiumAlloys,CastAluminiumAlloys

CastAluminiumAlloys

CopperAlloys

CompoundMaterial

HeatResistantSuperAlloys

TitaniumAlloys

HardenedSteels

<35HRC

35-48HRC

<35HRC

35-45HRC

Si<12%

Si>12%

<HB200

<HB450

<HB400

45-55HRC

55-60HRC

Most SuitableSuitable
Recommended Cutting Data P075

15D Twist deep Drills for Steel

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D938-A15C-0300	3.00	55	95	6	36	50.5	0.62	O
D938-A15C-0330	3.30	67	106	6	36	62.1	0.68	O
D938-A15C-0350	3.50	76	116	6	36	70.8	0.72	O
D938-A15C-0400	4.00	76	116	6	36	70.0	0.83	O
D938-A15C-0420	4.20	93	133	6	36	86.7	0.87	O
D938-A15C-0450	4.50	93	133	6	36	86.3	0.93	O
D938-A15C-0500	5.00	93	133	6	36	85.5	1.04	O
D938-A15C-0510	5.10	110	150	6	36	102.4	1.06	O
D938-A15C-0550	5.50	110	150	6	36	101.8	1.14	O
D938-A15C-0600	6.00	110	150	6	36	101.0	1.24	●
D938-A15C-0650	6.50	127	167	8	36	117.3	1.35	O
D938-A15C-0680	6.80	127	167	8	36	116.8	1.41	O
D938-A15C-0700	7.00	127	167	8	36	116.5	1.45	●

StockAvailable upon OrderNote:Accept customization from D3 to D14 tool

Note: Deep hole drilling D938-A3C use same specification as the guide drill

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D938-A15C-0750	7.50	143	183	8	36	131.8	1.55	O
D938-A15C-0800	8.00	143	183	8	36	131.0	1.66	O
D938-A15C-0850	8.50	160	204	10	40	147.3	1.76	O
D938-A15C-0900	9.00	160	204	10	40	146.5	1.86	O
D938-A15C-0950	9.50	177	221	10	40	162.8	1.97	O
D938-A15C-1000	10.00	177	221	10	40	162.0	2.07	●
D938-A15C-1050	10.50	198	247	12	45	182.3	2.17	O
D938-A15C-1100	11.00	198	247	12	45	181.5	2.28	O
D938-A15C-1200	12.00	214	263	12	45	196.0	2.49	O
D938-A15C-1250	12.50	248	297	14	45229.3		2.59	O
D938-A15C-1300	13.00	248	297	14	45228.5		2.69	O
D938-A15C-1400	14.00	248	297	14	45227.0		2.90	O

Unit(mm)

Nominal Size Range	DC(h7)	DMM(h6)
≥3-6	0.000/-0.012	0.000/-0.008
>6-10	0.000/-0.015	0.000/-0.009
>10-18	0.000/-0.018	0.000/-0.011
>18-20	0.000/-0.021	0.000/-0.013

Workpiece Material

1234

123

CarbonSteel,Alloy Steel

AlloySteels,ToolMSteels

PH andFerritic/artensiticStainlessSteel

StainlessSteel

Gray CastIron, HighDuctileCast Iron

AlloyCast Iron

ForgedAluminiumAlloys,CastAluminiumAlloys

CastAluminiumAlloys

CopperAlloys

CompoundMaterial

HeatResistantSuperAlloys

TitaniumAlloys

HardenedSteels

<35HRC

35-48HRC

<35HRC

35-45HRC

Si<12%

Si>12%

<HB200

<HB450

<HB400

45-55HRC

55-60HRC

Most SuitableSuitable
Recommended Cutting Data P075

5D External Coolant Twist Drills for Cast Iron

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D928-A5N-0300	3.00	28 66		6	36	23.50.55		O
D928-A5N-0330	3.30	28	66	6	36	23.1	0.60	O
D928-A5N-0400	4.00	36	74	6	36	30.0	0.73	O
D928-A5N-0420	4.20	36	74	6	36	29.7	0.76	O
D928-A5N-0500	5.00	44	82	6	36	36.5	0.91	O
D928-A5N-0600	6.00	44	82	6	36	35.0	1.09	O
D928-A5N-0680	6.80	53	91	8	36	42.8	1.24	O
D928-A5N-0700	7.00	53	91	8	36	42.5	1.27	O
D928-A5N-0800	8.00	53	91	8	36	41.0	1.46	O
D928-A5N-0850	8.50	61	103	10	40	48.3	1.55	O
D928-A5N-0900	9.00	61	103	10	40	47.5	1.64	O
D928-A5N-0910	9.10	61	103	10	40	47.5	1.64	O

●Stock Available upon OrderNote: Accept customization from D3 to D20 tool

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D928-A5N-1000	10.00	61	103	10	40 46.0		1.82	O
D928-A5N-1025	10.25	71	118	12	45	55.6	1.87	O
D928-A5N-1050	10.50	71	118	12	45	55.3	1.91	O
D928-A5N-1100	11.00	71	118	12	45	54.5	2.00	O
D928-A5N-1200	12.00	71	118	12	45	53.0	2.18	O
D928-A5N-1250	12.50	77	124	14	45	58.3	2.27	O
D928-A5N-1300	13.00	77	124	14	45	57.5	2.37	O
D928-A5N-1380	13.80	77	124	14	45	57.5	2.37	O
D928-A5N-1400	14.00	77	124	14	45	56.0	2.55	O
D928-A5N-1450	14.50	83	133	16	48	61.3	2.64	O
D928-A5N-1500	15.00	83	133	16	48	60.5	2.73	O
D928-A5N-1600	16.00	83	133	16	48	59.0	2.91	O

Unit(mm)

Nominal Size Range	DC(m7)	DMM(h6)
≥2-3	+0.002/+0.012	0.000/-0.006
>3-6	+0.004/+0.016	0.000/-0.008
>6-10	+0.006/+0.021	0.000/-0.009
>10-18	+0.007/+0.025	0.000/-0.011
>18-20	+0.008/+0.029	0.000/-0.013

Workpiece Material

1234

123

CarbonSteel,Alloy Steel

AlloySteels,ToolMSteels

PH andFerritic/artensiticStainlessSteel

StainlessSteel

Gray CastIron, HighDuctileCast Iron

AlloyCast Iron

ForgedAluminiumAlloys,CastAluminiumAlloys

CastAluminiumAlloys

CopperAlloys

CompoundMaterial

HeatResistantSuperAlloys

TitaniumAlloys

HardenedSteels

<35HRC

35-48HRC

<35HRC

35-45HRC

Si<12%

Si>12%

<HB200

<HB450

<HB400

45-55HRC

55-60HRC

Most SuitableSuitable
Recommended Cutting Data P077

5D Internal Coolant Twist Drills for Cast Iron

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D928-A5C-0500	5.00 44 82			6	3636.5		0.91	O
D928-A5C-0600	6.00	44	82	6	36	35.0	1.09	O
D928-A5C-0680	6.80	53	91	8	36	42.8	1.24	O
D928-A5C-0700	7.00	53	91	8	36	42.5	1.27	O
D928-A5C-0800	8.00	53	91	8	36	41.0	1.46	O
D928-A5C-0850	8.50	61	103	10	40	48.3	1.55	O
D928-A5C-0860	8.60	61	103	10	40	48.3	1.55	O
D928-A5C-0900	9.00	61	103	10	40	47.5	1.64	O
D928-A5C-1000	10.00	61	103	10	40	46	1.82	O
D928-A5C-1025 10.25 71 118 12 45 55.61.87								O

●StockAvailable upon Order Note: Accept customization from D3 to D20 tool

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D928-A5C-1050	10.50 71		118	12	4555.25		1.91	O
D928-A5C-1100	11.00	71	118	12	45	54.5	2.00	O
D928-A5C-1200	12.00	71	118	12	45	53	2.18	O
D928-A5C-1250	12.50	77	124	14	45	58.25	2.27	O
D928-A5C-1300	13.00	77	124	14	45	57.5	2.37	O
D928-A5C-1400	14.00	77	124	14	45	56	2.55	O
D928-A5C-1450	14.50	83	133	16	48	61.3	2.64	O
D928-A5C-1500	15.00	83	133	16	48	60.5	2.73	O
D928-A5C-1600	16.00	83	133	16	48	59.0	2.91	O

Unit(mm)

Nominal Size Range	DC(m7)	DMM(h6)
≥2-3	+0.002/+0.012	0.000/-0.006
>3-6	+0.004/+0.016	0.000/-0.008
>6-10	+0.006/+0.021	0.000/-0.009
>10-18	+0.007/+0.025	0.000/-0.011
>18-20	+0.008/+0.029	0.000/-0.013

Workpiece Material

1234

123

CarbonSteel,Alloy Steel

AlloySteels,ToolSteels

PH andFerritic/MartensiticStainlessSteel

StainlessSteel

Gray CastIron,DuctileCast Iron

High AlloyCast Iron

ForgedAluminiumAlloys,CastAluminiumAlloys

CastAluminiumAlloys

CopperAlloys

CompoundMaterial

HeatResistantSuperAlloys

TitaniumAlloys

HardenedSteels

<35HRC

35-48HRC

<35HRC

35-45HRC

Si<12%

Si>12%

<HB200

<HB450

<HB400

45-55HRC

55-60HRC

◎

Most SuitableSuitable
Recommended Cutting Data P077

5D External Coolant Twist Drills forAluminium Alloy

●StockAvailable upon OrderNote: Accept customization from D3 to D20 tool

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D966-A5N-0300	3.00 28 66			6	36	23.50.55		O
D966-A5N-0330	3.30	28	66	6	36	23.1	0.60	O
D966-A5N-0400	4.00	36	74	6	36	30.0	0.73	O
D966-A5N-0420	4.20	36	74	6	36	29.7	0.76	O
D966-A5N-0500	5.00	44	82	6	36	36.5	0.91	O
D966-A5N-0550	5.50	44	82	6	36	36.5	0.91	O
D966-A5N-0600	6.00	44	82	6	36	35.0	1.09	O
D966-A5N-0680	6.80	53	91	8	36	42.8	1.24	O
D966-A5N-0700	7.00	53	91	8	36	42.5	1.27	O
D966-A5N-0800	8.00	53	91	8	36	41.0	1.46	O
D966-A5N-0850	8.50	61	103	10	40	48.3	1.55	O

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D966-A5N-0900	9.00	61	103	10	40	47.5	1.64	O
D966-A5N-1000	10.00	61	103	10	40	46.0	1.82	O
D966-A5N-1050	10.50	71	118	12	45	55.3	1.91	O
D966-A5N-1100	11.00	71	118	12	45	54.5	2.00	O
D966-A5N-1200	12.00	71	118	12	45	53.0	2.18	O
D966-A5N-1250	12.50	77	124	14	45	58.3	2.27	O
D966-A5N-1300	13.00	77	124	14	45	57.5	2.37	O
D966-A5N-1400	14.00	77	124	14	45	56.0	2.55	O
D966-A5N-1450	14.50	83	133	16	48	61.3	2.64	O
D966-A5N-1500	15.00	83	133	16	48	60.5	2.73	O
D966-A5N-1600	16.00	83	133	16	48	59.0	2.91	O

Unit(mm)

Nominal Size Range	DC(m7)	DMM(h6)
≥2-3	+0.002/+0.012	0.000/-0.006
>3-6	+0.004/+0.016	0.000/-0.008
>6-10	+0.006/+0.021	0.000/-0.009
>10-18	+0.007/+0.025	0.000/-0.011
>18-20	+0.008/+0.029	0.000/-0.013

Workpiece Material

1234

123

CarbonSteel,Alloy Steel

AlloySteels,ToolMSteels

PH andFerritic/artensiticStainlessSteel

StainlessSteel

Gray CastIron, HighDuctileCast Iron

AlloyCast Iron

ForgedAluminiumAlloys,CastAluminiumAlloys

CastAluminiumAlloys

CopperAlloys

CompoundMaterial

HeatResistantSuperAlloys

TitaniumAlloys

HardenedSteels

<35HRC

35-48HRC

<35HRC

35-45HRC

Si<12%

Si>12%

<HB200

<HB450

<HB400

45-55HRC

55-60HRC

Most SuitableSuitable
Recommended Cutting Data P079

5D Internal Coolant Twist Drills for Aluminium Alloy

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D966-A5C-0300	3.00	28	66.0	6	36 23.5		0.55	O
D966-A5C-0330	3.30	28	66.0	6	36	23.1	0.60	O
D966-A5C-0400	4.00	36	74.0	6	36	30.0	0.73	O
D966-A5C-0420	4.20	36	74.0	6	36	29.7	0.76	O
D966-A5C-0500	5.00	44	82.0	6	36	36.5	0.91	O
D966-A5C-0600	6.00	44	82.0	6	36	35.0	1.09	O
D966-A5C-0680	6.80	53	91.0	8	36	42.8	1.24	O
D966-A5C-0700	7.00	53	91.0	8	36	42.5	1.27	O
D966-A5C-0800	8.00	53	91.0	8	36	41.0	1.46	O
D966-A5C-0850	8.50	61	103.0	10	40	48.3	1.55	O
D966-A5C-0900	9.00 61 103.0 10				40	47.5	1.64	O

●StockAvailable upon Order Note: Accept customization from D3 to D20 tool

Ordering Code	DC(m7)	LCF	OAL	DMM(h6)	LS	LU	PL	Stock
D966-A5C-1000	10.00 61		103.0	10	40	46.0	1.82	O
D966-A5C-1050	10.50	71	118.0	12	45	55.3	1.91	O
D966-A5C-1100	11.00	71	118.0	12	45	54.5	2.00	O
D966-A5C-1200	12.00	71	118.0	12	45	53.0	2.18	O
D966-A5C-1250	12.50	77	124.0	14	45	58.3	2.27	O
D966-A5C-1300	13.00	77	124.0	14	45	57.5	2.37	O
D966-A5C-1400	14.00	77	124.0	14	45	56.0	2.55	O
D966-A5C-1450	14.50	83	133.0	16	48	61.3	2.64	O
D966-A5C-1500	15.00	83	133.0	16	48	60.5	2.73	O
D966-A5C-1600	16.00	83	133.016		48	59.0	2.91	O

Unit(mm)

Nominal Size Range	DC(m7)	DMM(h6)
≥2-3	+0.002/+0.012	0.000/-0.006
>3-6	+0.004/+0.016	0.000/-0.008
>6-10	+0.006/+0.021	0.000/-0.009
>10-18	+0.007/+0.025	0.000/-0.011
>18-20	+0.008/+0.029	0.000/-0.013

Workpiece Material

1234

123

CarbonSteel,Alloy Steel

AlloySteels,ToolMSteels

PH andFerritic/artensiticStainlessSteel

StainlessSteel

Gray CastIron, HighDuctileCast Iron

AlloyCast Iron

ForgedAluminiumAlloys,CastAluminiumAlloys

CastAluminiumAlloys

CopperAlloys

CompoundMaterial

HeatResistantSuperAlloys

TitaniumAlloys

HardenedSteels

<35HRC

35-48HRC

<35HRC

35-45HRC

Si<12%

Si>12%

<HB200

<HB450

<HB400

45-55HRC

55-60HRC

Most SuitableSuitable
Recommended Cutting Data P079

3D External Coolant Twist Drills for Hardened Steel

Ordering Code	DC(h7)	LCF	OAL	DMM(h6)	LU	PL	Stock
D998-Y3N-0400 4.00 22 55 4 16.0						0.73	O
D998-Y3N-0500	5.00	26	62	5	18.5	0.91	O
D998-Y3N-0600	6.00	28	66	6	19.0	1.09	O
D998-Y3N-0700	7.00	34	74	7	23.5	1.27	O
D998-Y3N-0800	8.00	37	79	8	25.0	1.46	O
D998-Y3N-0900	9.00	40	84	9 26.5		1.64	O
D998-Y3N-1000	10.00 43		89	10 28.0		1.82	O

●StockAvailable upon Order
Note: Accept customization from D3 to D20 tool

Ordering Code	DC(h7)	LCF	OAL	DMM(h6)	LU	PL	Stock
D998-Y3N-1100	11.00	47	95	11	30.52	.00	O
D998-Y3N-1200	12.00	51	102	12	33.0	2.18	O
D998-Y3N-1300	13.00	51	102	13	31.5	2.37	O
D998-Y3N-1400	14.00	54	107	14	33.0	2.55	●
D998-Y3N-1500	15.00	56	111	15	33.5	2.73	O
D998-Y3N-1600	16.00	58	115	16	34.0	2.91	O

Unit(mm)

Nominal Size Range	DC(h7)	DMM(h6)
≥2-3	0.000/-0.010	0.000/-0.006
≥3-6	0.000/-0.012	0.000/-0.008
>6-10	0.000/-0.015	0.000/-0.009
>10-18	0.000/-0.018	0.000/-0.011
>18-20	0.000/-0.021	0.000/-0.013

Workpiece Material

1234

123

CarbonSteel,Alloy Steel

AlloySteels,ToolSteels

PH andFerritic/MartensiticStainlessSteel

StainlessSteel

Gray CastIron,DuctileCast Iron

High AlloyCast Iron

ForgedAluminiumAlloys,CastAluminiumAlloys

CastAluminiumAlloys

CopperAlloys

CompoundMaterial

HeatResistantSuperAlloys

TitaniumAlloys

HardenedSteels

<35HRC

35-48HRC

<35HRC

35-45HRC

Si<12%

Si>12%

<HB200

<HB450

<HB400

45-55HRC

55-60HRC

Most SuitableSuitable
Recommended Cutting Data P079

90°NC Centre Drills

Ordering Code	DC	LCF	OAL	DMM(h6)	Stock
D101-AMN-0400	4	8	50	4	O
D101-AMN-0500	5	10	62	5
D101-AMN-0600	6	15	66	6
D101-AMN-0800	8	17	79	8
D101-AMN-1000	10	20	89	10
D101-AMN-1200	12	25	102	12
D101-AMN-1400	14	30	107	14	0
D101-AMN-1600	16	35	115	16	●
D101-AMN-1800	18	38	123	18	O
D101-AMN-2000	20	40	131	20

StockAvailable upon Order Note: Accept customization from D3 to D20 tool
Unit(mm)

Workpiece Material

1234

123

CarbonSteel,Alloy Steel

AlloySteels,ToolMSteels

PH andFerritic/artensiticStainlessSteel

StainlessSteel

Gray CastIron, HighDuctileCast Iron

AlloyCast Iron

ForgedAluminiumAlloys,CastAluminiumAlloys

CastAluminiumAlloys

CopperAlloys

CompoundMaterial

HeatResistantSuperAlloys

TitaniumAlloys

HardenedSteels

<35HRC

35-48HRC

<35HRC

35-45HRC

Si<12%

Si>12%

<HB200

<HB450

<HB400

45-55HRC

55-60HRC

Most SuitableSuitable
Recommended Cutting Data P081

120°NC Centre Drills

Ordering Code	DC	LCF	OAL	DMM(h6)	Stock
D102-ANN-0500	5	10	62	5 0
D102-ANN-0600	6	15	66	6 O
D102-ANN-0800	8	17	79	8 0
D102-ANN-1000	10	20	89	10 O
D102-ANN-1200	12	25	102	12 ●
D102-ANN-1400	14	30	107	14 O
D102-ANN-1600	16	35	115	16 O
D102-ANN-2000	20	40	131	20 O

StockAvailable upon OrderNote: Accept customization from D3 to D20 tool
Unit(mm)

Workpiece Material

1234

123

CarbonSteel,Alloy Steel

AlloySteels,ToolMSteels

PH andFerritic/artensiticStainlessSteel

StainlessSteel

Gray CastIron, HighDuctileCast Iron

AlloyCast Iron

ForgedAluminiumAlloys,CastAluminiumAlloys

CastAluminiumAlloys

CopperAlloys

CompoundMaterial

HeatResistantSuperAlloys

TitaniumAlloys

HardenedSteels

<35HRC

35-48HRC

<35HRC

35-45HRC

Si<12%

Si>12%

<HB200

<HB450

<HB400

45-55HRC

55-60HRC

Most SuitableSuitable
Recommended Cutting Data P081

145°NC Centre Drills

●StockAvailable upon Order Note: Accept customization from D3 to D20 tool

Ordering Code	DC	LCF	OAL	DMM(h6)	Stock
D103-APN-0500	5	10	62	5 0
D103-APN-0600	6	15	66	6 O
D103-APN-0800	8	17	79	8 O
D103-APN-1000	10	20	89	10 O
D103-APN-1200	12	25	102	12 0
D103-APN-1400	14	30	107	14 O
D103-APN-1600	16	35	115	16 0
D103-APN-2000	20	40	131	20 O

Unit(mm)

Workpiece Material

1234

123

CarbonSteel,Alloy Steel

AlloySteels,ToolMSteels

PH andFerritic/artensiticStainlessSteel

StainlessSteel

Gray CastIron, HighDuctileCast Iron

AlloyCast Iron

ForgedAluminiumAlloys,CastAluminiumAlloys

CastAluminiumAlloys

CopperAlloys

CompoundMaterial

HeatResistantSuperAlloys

TitaniumAlloys

HardenedSteels

<35HRC

35-48HRC

<35HRC

35-45HRC

Si<12%

Si>12%

<HB200

<HB450

<HB400

45-55HRC

55-60HRC

Most SuitableSuitable
Recommended Cutting Data P081

1. Make sure work piece and machine are stable and use a precision holder, use hydraulic chucks, high quality collet chucks
2. Make sure total indicated run-out(TIR) is less than 0.02mm

Recommended Machining Parameters

D918S Series High Performance Twist Drill for Steel

Workpiece		Cutting SpeedVc (m/min)		Feed Rate fn(mm/rev)
Workpiece				Φ3	Φ4	Φ6	Φ8	Φ10
P	Low CarbonSteel, Long Chip(<125HB)	100-80-50	140-100-60	0.09-0.13-0.16	0.11-0.15-0.19	0.14-0.19-0.23	0.19-0.25-0.31	0.23-0.30-0.38
	Low CarbonSteel, ShortChip,Automatic Steel(<125HB)	100-75-50	140-100-60	0.09-0.13-0.16	0.11-0.15-0.19	0.14-0.19-0.23	0.19-0.25-0.31	0.23-0.30-0.38
	High CarbonSteel/MediumCarbon Steel(<25HRC)	90-70-45	120-80-60	0.09-0.13-0.16	0.11-0.15-0.19	0.14-0.19-0.23	0.19-0.25-0.31	0.23-0.30-0.38
	Alloy Steel, ToolSteel(<35HRC)	90-70-45	110-80-50	0.09-0.13-0.16	0.11-0.15-0.19	0.14-0.19-0.23	0.19-0.25-0.31	0.23-0.30-0.38
	Alloy Steel,Tool Steel(35-48HRC)	80-60-40	90-60-40	0.09-0.13-0.16	0.10-0.14-0.17	0.13-0.17-0.22	0.17-0.23-0.29	0.21-0.28-0.35
M	AusteniticStainless Steel(130-200HB)	一	80-60-40	0.05-0.08-0.10	0.06-0.10-0.12	0.07-0.12-0.14	0.08-0.13-0.18	0.09-0.15-0.20
	StrengthAustenitic /CastStainless Steel(<25HRC)	一	80-60-40	0.03-0.06-0.08	0.04-0.08-0.10	0.05-0.08-0.10	0.06-0.10-0.12	0.07-0.11-0.14
	Duplex StainlessSteel (<30HRC)	一	60-45-30	0.03-0.06-0.08	0.04-0.08-0.10	0.05-0.08-0.10	0.06-0.10-0.12	0.07-0.11-0.14
K	Grey Cast Iron(<32HRC)	100-80-60	140-120-60	0.13-0.17-0.20	0.15-0.20-0.23	0.17-0.25-0.30	0.20-0.27-0.35	0.23-0.30-0.40
	ModeratelyDifficult Alloy Castiron, NodularCast Iron(< 28HRC)	100-80-60	140-120-60	0.11-0.15-0.18	0.13-0.17-0.20	0.15-0.20-0.25	0.17-0.25-0.32	0.20-0.28-0.36
	Difficult High-alloy Cast Iron,Nodular Cast Iron(< 45HRC)	90-70-60	100-90-60	0.06-0.09-0.11	0.08-0.10-0.13	0.10-0.13-0.16	0.12-0.16-0.20	0.14-0.20-0.26

【Note】

3. The recommended cutting condition is suitable for apply water soluble

4. If the tool size is not in the table, please refer to the table closest to the blade diameter size selection of cutting parameters, adjust cutting parameters according to actual working conditions during processing

Recommended Machining Parameters

D918S Series High Performance Twist Drill for Steel

Workpiece		Cutting SpeedVc (m/min)		Feed Rate fn(mm/rev)
Workpiece				Φ12	Φ14	Φ16	Φ18	Φ20
P	Low CarbonSteel, Long Chip(<125HB)	100-80-50	140-100-60	0.24-0.33-0.41	0.28-0.38-0.45	0.30-0.42-0.50	0.33-0.42-0.50	0.34-0.43-0.51
	Low CarbonSteel, ShortChip,Automatic Steel(<125HB)	100-75-50	140-100-60	0.24-0.33-0.41	0.28-0.38-0.45	0.30-0.42-0.50	0.33-0.42-0.50	0.34-0.43-0.51
	High CarbonSteel/MediumCarbon Steel(<25HRC)	90-70-45	120-80-60	0.24-0.33-0.41	0.28-0.38-0.45	0.30-0.42-0.50	0.33-0.42-0.50	0.34-0.43-0.51
	Alloy Steel, ToolSteel(<35HRC)	90-70-45	110-80-50	0.24-0.33-0.41	0.28-0.38-0.45	0.30-0.42-0.50	0.33-0.42-0.50	0.34-0.43-0.51
	Alloy Steel,Tool Steel (35-48HRC)	80-60-40	90-60-40	0.22-0.30-0.37	0.26-0.35-0.41	0.28-0.37-0.44	0.31-0.38-0.46	0.31-0.39-0.47
M	AusteniticStainless Steel(130-200HB)		80-60-40	0.10-0.17-0.22	0.11-0.18-0.24	0.12-0.20-0.24	0.13-0.22-0.26	0.14-0.24-0.28
	StrengthAustenitic /CastStainless Steel(<25HRC)	1	80-60-40	0.08-0.13-0.16	0.09-0.13-0.18	0.10-0.14-0.18	0.10-0.14-0.20	0.12-0.16-0.22
	DuplexStainless Steel(<30HRC)		60-45-30	0.08-0.13-0.16	0.09-0.13-0.18	0.10-0.14-0.18	0.10-0.14-0.20	0.12-0.16-0.22
K	Grey Cast Iron(< 32HRC)	100-80-60	140-120-60	0.25-0.33-0.45	0.28-0.36-0.48	0.30-0.40-0.50	0.32-0.42-0.52	0.35-0.45-0.55
	ModeratelyDifficult Alloy Castiron, NodularCast Iron(< 28HRC)	100-80-60	140-120-60	0.22-0.30-0.42	0.24-0.33-0.45	0.25-0.35-0.48	0.28-0.38-0.48	0.30-0.40-0.50
	Difficult High-alloy Cast Iron,Nodular CastIron ( < 45HRC)	90-70-60	100-90-60	0.16-0.22-0.28	0.18-0.24-0.30	0.20-0.26-0.32	0.22-0.28-0.34	0.23-0.28-0.35

【Note】

1. Make sure work piece and machine are stable and use a precision holder, use hydraulic chucks, high quality collet chucks

2. Make sure total indicated run-out(TIR) is less than 0.02mm

3. The recommended cutting condition is suitable for apply water soluble

Recommended Machining Parameters

D968S Series High Efficient Twist drill for Stainless Steel

Workpiece		Cutting SpeedVc (m/min)		Feed Rate fn(mm/rev)
Workpiece				Φ3	Φ4	Φ6	Φ8	Φ10
P	Low CarbonSteel, Long Chip(<125HB)	100-80-50	140-100-60	0.09-0.13-0.16	0.11-0.15-0.19	0.14-0.19-0.23	0.19-0.25-0.31	0.23-0.30-0.38
	Low CarbonSteel, ShortChip,Automatic Steel(<125HB)	100-75-50	140-100-60	0.09-0.13-0.16	0.11-0.15-0.19	0.14-0.19-0.23	0.19-0.25-0.31	0.23-0.30-0.38
	High CarbonSteel/MediumCarbon Steel(<25HRC)	90-70-45	120-80-60	0.09-0.13-0.16	0.11-0.15-0.19	0.14-0.19-0.23	0.19-0.25-0.31	0.23-0.30-0.38
	Alloy Steel, ToolSteel(<35HRC)	90-70-45	110-80-50	0.09-0.13-0.16	0.11-0.15-0.19	0.14-0.19-0.23	0.19-0.25-0.31	0.23-0.30-0.38
M	AusteniticStainless Steel(130-200HB)	40-30-20	80-60-40	0.03-0.06-0.08	0.04-0.08-0.10	0.05-0.08-0.10	0.06-0.10-0.12	0.07-0.11-0.14
	StrengthAustenitic /CastStainless Steel(<25HRC)	40-30-20	80-60-40	0.03-0.06-0.08	0.04-0.08-0.10	0.05-0.08-0.10	0.06-0.10-0.12	0.07-0.11-0.14
	DuplexStainless Steel(<30HRC)	35-25-20	60-45-30	0.03-0.06-0.08	0.04-0.08-0.10	0.05-0.08-0.10	0.06-0.10-0.12	0.07-0.11-0.14
S	Iron BaseSuperalloy(160-260HB)	25-15-10	35-25-15	0.03-0.04-0.06	0.04-0.06-0.08	0.05-0.08-0.10	0.06-0.09-0.11	0.07-0.10-0.12
	Cobalt BaseSuperalloy(250-450HB)	25-15-10	35-25-15	0.03-0.04-0.06	0.04-0.06-0.08	0.05-0.08-0.10	0.06-0.09-0.11	0.07-0.10-0.12
	Nickel BaseSuperalloy(160-450HB)	25-15-10	35-25-15	0.03-0.04-0.06	0.04-0.06-0.08	0.05-0.08-0.10	0.06-0.09-0.11	0.07-0.10-0.12
	Titanium andTitanium Alloy(300-400HB)	40-30-15	50-40-25	0.03-0.05-0.08	0.04-0.07-0.10	0.05-0.09-0.10	0.06-0.10-0.12	0.07-0.12-0.14

Note: 5D external Coolant drill is not suitable for machining S-type workpiece material

【Note】

1. Make sure work piece and machine are stable and use a precision holder, use hydraulic chucks, high quality collet chucks
2. Make sure total indicated run-out(TIR) is less than 0.02mm

3. The recommended cutting condition is suitable for apply water soluble

Recommended Machining Parameters

D968S Series High Efficient Twist drill for Stainless Steel

Workpiece		Cutting SpeedVc (m/min)		Feed Rate fn(mm/rev)
Workpiece				Φ12	Φ14	Φ16	Φ18	Φ20
P	Low CarbonSteel, Long Chip(<125HB)	100-80-50	140-100-60	0.24-0.33-0.41	0.28-0.38-0.45	0.30-0.42-0.50	0.33-0.42-0.50	0.34-0.43-0.51
	Low CarbonSteel, ShortChip,Automatic Steel(<125HB)	100-75-50	140-100-60	0.24-0.33-0.41	0.28-0.38-0.45	0.30-0.42-0.50	0.33-0.42-0.50	0.34-0.43-0.51
	High CarbonSteel/MediumCarbon Steel(<25HRC)	90-70-45	120-80-60	0.24-0.33-0.41	0.28-0.38-0.45	0.30-0.42-0.50	0.33-0.42-0.50	0.34-0.43-0.51
	Alloy Steel, ToolSteel(<35HRC)	90-70-45	110-80-50	0.24-0.33-0.41	0.28-0.38-0.45	0.30-0.42-0.50	0.33-0.42-0.50	0.34-0.43-0.51
M	AusteniticStainless Steel(130-200HB)	40-30-20	80-60-40	0.10-0.17-0.22	0.11-0.18-0.24	0.12-0.20-0.24	0.13-0.22-0.26	0.14-0.24-0.28
	StrengthAustenitic /CastStainless Steel(<25HRC)	40-30-20	80-60-40	0.08-0.13-0.16	0.09-0.13-0.18	0.10-0.14-0.18	0.10-0.14-0.20	0.12-0.16-0.22
	DuplexStainless Steel(<30HRC)	35-25-20	60-45-30	0.08-0.13-0.16	0.09-0.13-0.18	0.10-0.14-0.18	0.10-0.14-0.20	0.12-0.16-0.22
S	Iron BaseSuperalloy(160-260HB)	25-15-10	35-25-15	0.08-0.12-0.14	0.09-0.13-0.16	0.10-0.14-0.16	0.10-0.15-0.18	0.12-0.16-0.20
	Cobalt BaseSuperalloy(250-450HB)	25-15-10	35-25-15	0.08-0.12-0.14	0.09-0.13-0.16	0.10-0.14-0.16	0.10-0.15-0.18	0.12-0.16-0.20
	Nickel BaseSuperalloy(160-450HB)	25-15-10	35-25-15	0.08-0.12-0.14	0.09-0.13-0.16	0.10-0.14-0.16	0.10-0.15-0.18	0.12-0.16-0.20
	Titanium andTitanium Alloy(300-400HB)	40-30-15	50-40-25	0.08-0.14-0.16	0.09-0.15-0.18	0.10-0.17-0.18	0.10-0.16-0.20	0.12-0.18-0.22

Note: 5D external Coolant drill is not suitable for machining S-type workpiece material

【Note】

1. Make sure work piece and machine are stable and use a precision holder, use hydraulic chucks, high quality collet chucks

2. Make sure total indicated run-out(TIR) is less than 0.02mm

3. The recommended cutting condition is suitable for apply water soluble

4. If the tool size is not in the table, please refer to the table closest to the blade diameter size selection of cutting parameters,

adjust cutting parameters according to actual working conditions during processing

Recommended Machining Parameters

D938 Twist Drills for Steel 3D\5D

Workpiece		Cutting SpeedVc (m/min)		Feed Rate fn(mm/rev)
Workpiece				Φ3	Φ4	Φ6	Φ8	Φ10
P	Low carbonSteel, Long Chip(<125HB)	120-80-50	140-100-60	0.10-0.15-0.20	0.10-0.15-0.20	0.14-0.19-0.25	0.16-0.22-0.32	0.16-0.22-0.35
	Low CarbonSteel, ShortChip, AutomaticSteel(<125HB)	120-75-50	140-100-60	0.10-0.15-0.20	0.10-0.15-0.20	0.14-0.19-0.25	0.16-0.22-0.32	0.16-0.22-0.35
	High CarbonSteel andMedium CarbonSteel(<25HRC)	120-70-45	120-80-60	0.10-0.15-0.20	0.10-0.15-0.20	0.14-0.19-0.25	0.16-0.22-0.30	0.16-0.22-0.32
	Alloy Steel, ToolSteel(<35HRC)	100-70-45	110-80-60	0.09-0.13-0.16	0.09-0.13-0.16	0.12-0.17-0.23	0.14-0.20-0.28	0.14-0.20-0.30
	Alloy Steel, ToolSteel(35-48HRC)	80-60-35	90-60-35	0.08-0.11-0.14	0.08-0.11-0.14	0.08-0.14-0.20	0.09-0.16-0.25	0.09-0.16-0.28
	Ph and Ferritic,MartensiticSteel(<35HRC)	70-50-30	90-60-30	0.05-0.08-0.11	0.05-0.08-0.11	0.07-0.12-0.17	0.08-0.14-0.20	0.08-0.14-0.23
	High StrengthPH and Ferritic,MartensiticSteel(35-48HRC)	70-45-25	80-50-30	0.04-0.06-0.08	0.04-0.06-0.08	0.06-0.10-0.14	0.08-0.13-0.18	0.08-0.13-0.20
M	AusteniticStainless Steel(130-200HB)	一	80-60-40	0.05-0.08-0.10	0.06-0.10-0.12	0.07-0.12-0.14	0.08-0.13-0.18	0.09-0.15-0.20
	StrengthAustenitic /CastStainless Steel(<25HRC)	一	80-60-40	0.03-0.06-0.08	0.04-0.08-0.10	0.05-0.08-0.10	0.06-0.10-0.12	0.07-0.11-0.14
	DuplexStainless Steel(<30HRC)	一	60-45-30	0.03-0.06-0.08	0.04-0.08-0.10	0.05-0.08-0.10	0.06-0.10-0.12	0.07-0.11-0.14
K	Grey Cast Iron(< 32HRC)	140-100-60	160-120-60	0.13-0.17-0.20	0.15-0.20-0.23	0.17-0.25-0.30	0.20-0.27-0.35	0.23-0.30-0.40
	ModeratelyDifficult Alloy Castiron, NodularCast Iron(< 28HRC)	120-80-60	140-100-60	0.11-0.15-0.18	0.13-0.17-0.20	0.15-0.20-0.25	0.17-0.25-0.32	0.20-0.28-0.36
	Difficult High-alloy Cast Iron,Nodular CastIron ( < 45HRC)	100-70-50	100-80-50	0.06-0.09-0.11	0.08-0.10-0.13	0.10-0.13-0.16	0.12-0.16-0.20	0.14-0.20-0.26

Recommended Machining Parameters

D938 Twist Drills for Steel 3D\5D

Workpiece		Cutting SpeedVc (m/min)		Feed Rate fn(mm/rev)
Workpiece				Φ12	Φ14	Φ16	Φ18	Φ20
P	Low carbonSteel, Long Chip(<125HB)	120-80-50	140-100-60	0.18-0.28-0.40	0.22-0.32-0.45	0.22-0.32-0.45	0.25-0.38-0.50	0.25-0.38-0.50
	Low CarbonSteel, ShortChip, AutomaticSteel(<125HB)	120-75-50	140-100-60	0.18-0.28-0.40	0.22-0.32-0.45	0.22-0.32-0.45	0.25-0.38-0.50	0.25-0.38-0.50
	High CarbonSteel andMedium CarbonSteel(<25HRC)	120-70-45	120-80-60	0.18-0.28-0.38	0.22-0.32-0.45	0.22-0.32-0.45	0.25-0.38-0.50	0.25-0.38-0.50
	Alloy Steel, ToolSteel(<35HRC)	100-70-45	110-80-60	0.15-0.23-0.34	0.18-0.25-0.38	0.18-0.25-0.38	0.20-0.30-0.40	0.20-0.30-0.40
	Alloy Steel, ToolSteel(35-48HRC)	80-60-35	90-60-35	0.11-0.19-0.30	0.12-0.22-0.32	0.12-0.22-0.32	0.14-0.24-0.34	0.14-0.24-0.34
	Ph and Ferritic,MartensiticSteel(<35HRC)	70-50-30	90-60-30	0.10-0.18-0.28	0.12-0.20-0.30	0.12-0.20-0.30	0.14-0.24-0.32	0.14-0.24-0.32
	High StrengthPH and Ferritic,MartensiticSteel(35-48HRC)	70-45-25	80-50-30	0.10-0.18-0.28	0.12-0.20-0.30	0.12-0.20-0.30	0.14-0.24-0.32	0.14-0.24-0.32
M	AusteniticStainless Steel(130-200HB)	一	80-60-40	0.10-0.17-0.22	0.11-0.18-0.24	0.12-0.20-0.24	0.13-0.22-0.26	0.14-0.24-0.28
	StrengthAustenitic /CastStainless Steel(<25HRC)	一	80-60-40	0.08-0.13-0.16	0.09-0.13-0.18	0.10-0.14-0.18	0.10-0.14-0.20	0.12-0.16-0.22
	DuplexStainless Steel(<30HRC)	一	60-45-30	0.08-0.13-0.16	0.09-0.13-0.18	0.10-0.14-0.18	0.10-0.14-0.20	0.12-0.16-0.22
K	Grey Cast Iron(<32HRC)	140-100-60	160-120-60	0.25-0.33-0.45	0.28-0.36-0.48	0.30-0.40-0.50	0.32-0.42-0.52	0.35-0.45-0.55
	ModeratelyDifficult Alloy Castiron, NodularCast Iron(< 28HRC)	120-80-60	140-100-60	0.22-0.30-0.42	0.24-0.33-0.45	0.25-0.35-0.48	0.28-0.38-0.48	0.30-0.40-0.50
	Difficult High-alloy Cast Iron,Nodular CastIron ( < 45HRC)	100-70-50	100-80-50	0.16-0.22-0.28	0.18-0.24-0.30	0.20-0.26-0.32	0.22-0.28-0.34	0.23-0.28-0.35

【Note】
1. Make sure work piece and machine are stable and use a precision holder, use hydraulic chucks, high quality collet chucks
2. Make sure total indicated run-out(TIR) is less than 0.02mm
3. The recommended cutting condition is suitable for apply water soluble
4. If the tool size is not in the table, please refer to the table closest to the blade diameter size selection of cutting parameters,
adjust cutting parameters according to actual working conditions during processing

Recommended Machining Parameters D938 Twist deep-hole Drills, 8D\12D\15D

Workpiece		Cutting SpeedVc (m/min)
		Cutting SpeedVc (m/min)	Feed Rate fn(mm/rev)
		中	Φ3	Φ4	Φ6	Φ8
P	Low carbon Steel,Long Chip(<125HB)	140-100-60	0.10-0.15-0.20	0.10-0.15-0.20	0.14-0.19-0.25	0.16-0.22-0.32
	Low CarbonSteel, Short Chip,Automatic Steel(<125HB)	140-100-60	0.10-0.15-0.20	0.10-0.15-0.20	0.14-0.19-0.25	0.16-0.22-0.32
	High CarbonSteel and MediumCarbon Steel(<25HRC)	120-80-60	0.10-0.15-0.20	0.10-0.15-0.20	0.14-0.19-0.25	0.16-0.22-0.30
	Alloy Steel, ToolSteel(<35HRC)	110-80-60	0.09-0.13-0.16	0.09-0.13-0.16	0.12-0.17-0.23	0.14-0.20-0.28
	Alloy Steel, ToolSteel(35-48HRC)	90-60-35	0.08-0.11-0.14	0.08-0.11-0.14	0.08-0.14-0.20	0.09-0.16-0.25
	Ph and Ferritic,Martensitic Steel(<35HRC)	90-60-30	0.05-0.08-0.11	0.05-0.08-0.11	0.07-0.12-0.17	0.08-0.14-0.20
	High StrengthPH and Ferritic,Martensitic Steel(35-48HRC)	80-50-30	0.04-0.06-0.08	0.04-0.06-0.08	0.06-0.10-0.14	0.08-0.13-0.18
M	Austenitic StainlessSteel(130-200HB)	60-50-40	0.04-0.08-0.10	0.04-0.08-0.10	0.06-0.10-0.12	0.06-0.10-0.12
	Strength Austenitic/Cast StainlessSteel (<25HRC)	60-50-40	0.04-0.06-0.08	0.04-0.06-0.08	0.06-0.08-0.10	0.06-0.08-0.10
	Duplex StainlessSteel (<30HRC)	50-40-30	0.04-0.06-0.08	0.04-0.06-0.08	0.06-0.08-0.10	0.06-0.08-0.10
K	Grey Cast Iron(<32HRC)	160-120-60	0.13-0.17-0.20	0.15-0.20-0.23	0.17-0.25-0.30	0.20-0.27-0.35
	Moderately DifficultAlloy Cast iron,NodularCast Iron(< 28HRC)	140-100-60	0.11-0.15-0.18	0.13-0.17-0.20	0.15-0.20-0.25	0.17-0.25-0.32
	Difficult High-alloyCast Iron, NodularCast Iron ( < 45HRC)	100-80-50	0.06-0.09-0.11	0.08-0.10-0.13	0.10-0.13-0.16	0.12-0.16-0.20

Recommended Machining Parameters

D938 Twist deep-hole Drills, 8D\12D\15D

Workpiece		Cutting SpeedVc (m/min)	Feed Rate fn(mm/rev)
Workpiece		4	Φ10	Φ12	Φ14	Φ16
	Low carbon Steel,Long Chip(<125HB)	140-100-60	0.16-0.22-0.35	0.18-0.28-0.40	0.22-0.32-0.45	0.22-0.32-0.45
	Low CarbonSteel, Short Chip,Automatic Steel(<125HB)	140-100-60	0.16-0.22-0.35	0.18-0.28-0.40	0.22-0.32-0.45	0.22-0.32-0.45
	High CarbonSteel and MediumCarbon Steel(<25HRC)	120-80-60	0.16-0.22-0.32	0.18-0.28-0.38	0.22-0.32-0.45	0.22-0.32-0.45
	Alloy Steel, ToolSteel(<35HRC)	110-80-60	0.14-0.20-0.30	0.15-0.23-0.34	0.18-0.25-0.38	0.18-0.25-0.38
	Alloy Steel, ToolSteel(35-48HRC)	90-60-35	0.09-0.16-0.28	0.11-0.19-0.30	0.12-0.22-0.32	0.12-0.22-0.32
	Ph and Ferritic,Martensitic Steel(<35HRC)	90-60-30	0.08-0.14-0.23	0.10-0.18-0.28	0.12-0.20-0.30	0.12-0.20-0.30
	High StrengthPH and Ferritic,Martensitic Steel(35-48HRC)	80-50-30	0.08-0.13-0.20	0.10-0.18-0.28	0.12-0.20-0.30	0.12-0.20-0.30
M	Austenitic StainlessSteel(130-200HB)	60-50-40	0.08-0.12-0.16	0.08-0.12-0.16	0.10-0.14-0.18	0.10-0.14-0.18
	Strength Austenitic/Cast StainlessSteel(<25HRC)	60-50-40	0.08-0.10-0.12	0.08-0.10-0.12	0.10-0.12-0.14	0.10-0.12-0.14
	Duplex StainlessSteel(<30HRC)	50-40-30	0.08-0.10-0.12	0.08-0.10-0.12	0.10-0.12-0.14	0.10-0.12-0.14
K	Grey Cast Iron(< 32HRC)	160-120-60	0.23-0.30-0.40	0.25-0.33-0.45	0.28-0.36-0.48	0.30-0.40-0.50
	Moderately DifficultAlloy Cast iron,NodularCast Iron(< 28HRC)	140-100-60	0.20-0.28-0.36	0.22-0.30-0.42	0.24-0.33-0.45	0.25-0.35-0.48
	Difficult High-alloyCast Iron, NodularCast Iron ( < 45HRC)	100-80-50	0.14-0.20-0.26	0.16-0.22-0.28	0.18-0.24-0.30	0.20-0.26-0.32

Recommended Machining Parameters

D928 Twist Drill for Cast Iron

Workpiece		Cutting SpeedVc (m/min)		Feed Rate fn(mm/rev)
Workpiece				Φ3	Φ4	Φ6	Φ8	Φ10
P	Low CarbonSteel, Long Chip(<125HB)	100-80-50	140-100-60	0.09-0.13-0.16	0.11-0.15-0.19	0.14-0.19-0.23	0.19-0.25-0.31	0.23-0.30-0.38
	Low CarbonSteel, ShortChip, FreeCutting Steel(<125HB)	100-75-50	140-100-60	0.09-0.13-0.16	0.11-0.15-0.19	0.14-0.19-0.23	0.19-0.25-0.31	0.23-0.30-0.38
	High CarbonSteel andMedium CarbonSteel(<25HRC)	90-70-45	100-80-60	0.09-0.13-0.16	0.11-0.15-0.19	0.14-0.19-0.23	0.19-0.25-0.31	0.23-0.30-0.38
	Alloy Steel, ToolSteel(<35HRC)	90-70-45	100-80-60	0.09-0.13-0.16	0.11-0.15-0.19	0.14-0.19-0.23	0.19-0.25-0.31	0.23-0.30-0.38
KD	Grey Cast Iron(< 32HRC)	100-80-60	160-140-60	0.13-0.17-0.21	0.15-0.20-0.26	0.17-0.26-0.32	0.20-0.32-0.40	0.25-0.36-0.42
	Moderatelyifficult Alloy Castiron, NodularCast Iron(< 28HRC)	100-80-60	140-120-60	0.11-0.15-0.18	0.13-0.18-0.22	0.15-0.23-0.27	0.17-0.26-0.38	0.22-0.28-0.38
	Difficult High-alloy Cast Iron,Nodular CastIron ( < 45HRC)	90-70-60	100-90-60	0.06-0.09-0.11	0.08-0.10-0.13	0.10-0.13-0.16	0.13-0.17-0.21	0.15-0.20-0.26
N	ForgedAluminiumAlloys(Si<12%)	一	315-230-90	0.06-0.09-0.11	0.13-0.20-0.26	0.16-0.22-0.28	0.18-0.26-0.32	0.20-0.30-0.38
	CastedAluminiumAlloys(Si<12%)	一	315-230-90	0.06-0.09-0.11	0.13-0.20-0.26	0.16-0.22-0.28	0.18-0.26-0.32	0.20-0.30-0.38
	CastedAluminiumAlloys(Si>12%)	一	270-180-90	0.06-0.09-0.11	0.13-0.20-0.26	0.16-0.22-0.28	0.18-0.26-0.32	0.20-0.30-0.38

【Note】

1. Make sure work piece and machine are stable and use a precision holder, use hydraulic chucks, high quality collet chucks

2. Make sure total indicated run-out(TIR) is less than 0.02mm

3. The recommended cutting condition is suitable for apply water soluble

4. If the tool size is not in the table, please refer to the table closest to the blade diameter size selection of cutting parameters,

adjust cutting parameters according to actual working conditions during processing

Recommended Machining Parameters

D928 Twist Drill for Cast Iron

Workpiece		Cutting SpeedVc (m/min)		Feed Rate fn(mm/rev)
Workpiece				Φ12	Φ14	Φ16	Φ18	Φ20
P	Low CarbonSteel, Long Chip(<125HB)	100-80-50	140-100-60	0.24-0.33-0.41	0.28-0.38-0.45	0.30-0.42-0.50	0.33-0.42-0.50	0.34-0.43-0.51
	Low CarbonSteel, ShortChip, FreeCutting Steel(<125HB)	100-75-50	140-100-60	0.24-0.33-0.41	0.28-0.38-0.45	0.30-0.42-0.50	0.33-0.42-0.50	0.34-0.43-0.51
	High CarbonSteel andMedium CarbonSteel(<25HRC)	90-70-45	100-80-60	0.24-0.33-0.41	0.28-0.38-0.45	0.30-0.42-0.50	0.33-0.42-0.50	0.34-0.43-0.51
	Alloy Steel, ToolSteel(<35HRC)	90-70-45	100-80-60	0.24-0.33-0.41	0.28-0.38-0.45	0.30-0.42-0.50	0.33-0.42-0.50	0.34-0.43-0.51
K	Grey Cast Iron(<32HRC)	100-80-60	160-140-60	0.26-0.38-0.46	0.28-0.40-0.50	0.30-0.42-0.52	0.32-0.44-0.54	0.36-0.48-0.56
	ModeratelyDifficult Alloy Castiron, NodularCast Iron(< 28HRC)	100-80-60	140-120-60	0.22-0.34-0.42	0.24-0.35-0.44	0.26-0.40-0.48	0.30-0.40-0.46	0.34-0.43-0.50
	Difficult High-alloy Cast Iron,Nodular CastIron ( < 45HRC)	90-70-60	100-90-60	0.17-0.22-0.28	0.19-0.26-0.31	0.20-0.27-0.33	0.23-0.28-0.34	0.23-0.29-0.35
N	ForgedAluminiumAlloys(Si<12%)	一	315-230-90	0.22-0.34-0.42	0.24-0.36-0.44	0.28-0.38-0.46	0.32-0.40-0.48	0.34-0.42-0.48
	CastedAluminiumAlloys(Si<12%)	一	315-230-90	0.22-0.34-0.42	0.24-0.36-0.44	0.28-0.38-0.46	0.32-0.40-0.48	0.34-0.42-0.48
	CastedAluminiumAlloys(Si>12%)	一	270-180-90	0.22-0.34-0.42	0.24-0.36-0.44	0.28-0.38-0.46	0.32-0.40-0.48	0.34-0.42-0.48

【Note】

1. Make sure work piece and machine are stable and use a precision holder, use hydraulic chucks, high quality collet chucks

2. Make sure total indicated run-out(TIR) is less than 0.02mm

3. The recommended cutting condition is suitable for apply water soluble

4. If the tool size is not in the table, please refer to the table closest to the blade diameter size selection of cutting parameters,

adjust cutting parameters according to actual working conditions during processing

Recommended Machining Parameters

D966 Twist Drill for Aluminium

Workpiece		Cutting SpeedVc (m/min)		Feed Rate fn(mm/rev)
Workpiece			中	Φ3	Φ4	Φ6	Φ8	Φ10
N	ForgedAluminiumAlloy(Si<12%)	250-150-80	315-230-90	0.06-0.09-0.11	0.13-0.20-0.26	0.16-0.22-0.28	0.18-0.26-0.32	0.20-0.30-0.38
	CastedAluminiumAlloy(Si<12%)	230-150-80	315-230-90	0.06-0.09-0.11	0.13-0.20-0.26	0.16-0.22-0.28	0.18-0.26-0.32	0.20-0.30-0.38
	CastedAluminiumAlloy(Si>12%)	230-150-80	270-180-90	0.06-0.09-0.11	0.13-0.20-0.26	0.16-0.22-0.28	0.18-0.26-0.32	0.20-0.30-0.38
	Copper, CopperAlloy(<200HB)	160-120-70	180-135-90	0.06-0.09-0.11	0.13-0.20-0.26	0.16-0.22-0.28	0.18-0.26-0.32	0.20-0.30-0.38

Workpiece		Cutting SpeedVc (m/min)		Feed Rate fn(mm/rev)
Workpiece			中	Φ12	Φ14	Φ16	Φ18	Φ20
N	ForgedAluminiumAlloy(Si<12%)	250-150-80	315-230-90	0.22-0.34-0.42	0.24-0.36-0.44	0.28-0.38-0.46	0.32-0.40-0.48	0.34-0.42-0.48
	CastedAluminiumAlloy(Si<12%)	230-150-80	315-230-90	0.22-0.34-0.42	0.24-0.36-0.44	0.28-0.38-0.46	0.32-0.40-0.48	0.34-0.42-0.48
	CastedAluminiumAlloy(Si>12%)	230-150-80	270-180-90	0.22-0.34-0.42	0.24-0.36-0.44	0.28-0.38-0.46	0.32-0.40-0.48	0.34-0.42-0.48
	Copper, CopperAlloy(<200HB)	160-120-70	180-135-90	0.22-0.34-0.42	0.24-0.36-0.44	0.28-0.38-0.46	0.32-0.40-0.48	0.34-0.42-0.48

【Note】

1. Make sure work piece and machine are stable and use a precision holder, use hydraulic chucks, high quality collet chucks

2. Make sure total indicated run-out(TIR) is less than 0.02mm

3. The recommended cutting condition is suitable for apply water soluble

Recommended Machining Parameters

D998 Twist Drill for Hardened Steel

Workpiece		Cutting SpeedVc (m/min)	Feed Rate fn(mm/rev)
Workpiece			Φ3	Φ4	Φ6	Φ8	Φ10
P A	lloy Steel, ToolSteel(35-48HRC)	80-60-30	0.09-0.13-0.16	0.10-0.14-0.17	0.13-0.17-0.22	0.17-0.23-0.29	0.21-0.28-0.35
K	Grey Cast Iron(<32HRC)	100-80-60	0.13-0.17-0.20	0.15-0.20-0.23	0.17-0.25-0.30	0.20-0.27-0.35	0.23-0.30-0.40
	ModeratelyDifficult Alloy Castiron, NodularCast Iron(< 28HRC)	100-80-60	0.11-0.15-0.18	0.13-0.17-0.20	0.15-0.20-0.25	0.17-0.25-0.32	0.20-0.28-0.36
	Difficult High-alloy Cast Iron,Nodular CastIron ( < 45HRC)	90-70-60	0.06-0.09-0.11	0.08-0.10-0.13	0.10-0.13-0.16	0.12-0.16-0.20	0.14-0.20-0.26
H	Hardened Steel(45-55HRC)	40-30-20	0.04-0.06-0.08	0.05-0.08-0.10	0.06-0.10-0.13	0.08-0.12-0.15	0.09-0.14-0.16
H	Hardened Steel(55-60HRC)	30-20-15	0.03-0.05-0.07	0.03-0.06-0.08	0.04-0.08-0.12	0.06-0.10-0.13	0.08-0.12-0.15

Workpiece		Cutting SpeedVc (m/min)	Feed Rate fn(mm/rev)
Workpiece			Φ12	Φ14	Φ16
P	Alloy Steel, ToolSteel(35-48HRC)	80-60-30	0.22-0.30-0.37	0.26-0.35-0.41	0.28-0.37-0.44
K D	Grey Cast Iron(<32HRC)	100-80-60	0.25-0.33-0.45	0.28-0.36-0.48	0.30-0.40-0.50	1
	Moderatelyifficult Alloy Castiron, NodularCast Iron(< 28HRC)	100-80-60	0.22-0.30-0.42	0.24-0.33-0.45	0.25-0.35-0.48
	Difficult High-alloy Cast Iron,Nodular CastIron ( < 45HRC)	90-70-60	0.16-0.22-0.28	0.18-0.24-0.30	0.20-0.26-0.32	一	一
H	Hardened Steel(45-55HRC)	40-30-20	0.10-0.15-0.17	0.10-0.16-0.20	0.10-0.16-0.20		一
H	Hardened Steel(55-60HRC)	30-20-15	0.09-0.13-0.16	0.10-0.14-0.17	0.10-0.14-0.17

Recommended Machining Parameters D101/D102/D103 NC Centre Drills

Workpiece		Cutting SpeedVc (m/min)	Feed Rate fn(mm/rev)
Workpiece			Φ4	Φ6	Φ8	Φ10
P	Low-carbonSteels, LongChipping(<125HB)	130-100-60	0.12-0.15-0.18	0.14-0.17-0.20	0.16-0.20-0.26	0.18-0.24-0.3
	Low-carbonSteels, ShortChipping,Free-cuttingSteels(<125HB)	120-100-60	0.10-0.14-0.18	0.14-0.16-0.20	0.16-0.20-0.24	0.18-0.24-0.3
	High CarbonSteel andMedium CarbonSteel(<25HRC)	110-80-60	0.10-0.13-0.16	0.12-0.15-0.18	0.14-0.18-0.22	0.16-0.20-0.24
	Alloy Steel, ToolSteel(<35HRC)	110-80-60	0.10-0.13-0.16	0.12-0.15-0.18	0.14-0.18-0.22	0.16-0.20-0.24
	Alloy Steel, ToolSteel(35-48HRC)	100-80-60	0.10-0.12-0.16	0.12-0.14-0.18	0.14-0.16-0.20	0.16-0.20-0.24
	PH, Ferriticand MartensiticSteel(<35HRC)	100-80-60	0.10-0.12-0.16	0.12-0.14-0.18	0.14-0.16-0.20	0.16-0.20-0.24
K	Grey Cast Iron(<32HRC)	140-120-60	0.12-0.20-0.26	0.17-0.26-0.32	0.20-0.32-0.40	0.25-0.30-0.36
	ModeratelyDifficult Alloy Castiron, NodularCast Iron(< 28HRC)	130-105-60	0.12-0.18-0.24	0.15-0.20-0.27	0.17-0.22-0.30	0.20-0.26-0.32
	Difficult High-alloy Cast Iron,Nodular Cast Iron(< 45HRC)	120-90-60	0.10-0.16-0.22	0.10-0.13-0.16	0.13-0.17-0.21	0.15-0.20-0.26
N	ForgedAluminiumAlloy (Si<12%)	150-120-60	0.12-0.20-0.26	0.17-0.26-0.32	0.20-0.32-0.40	0.25-0.30-0.36
	CastedAluminiumAlloy (Si<12%)	150-120-60	0.12-0.18-0.24	0.15-0.20-0.27	0.17-0.22-0.30	0.20-0.26-0.32
	CastedAluminiumAlloy(Si>12%)	150-120-60	0.10-0.13-0.16	0.12-0.15-0.18	0.14-0.18-0.22	0.16-0.20-0.24
	Copper, CopperAlloy(<200HB)	150-120-60	0.10-0.12-0.16	0.12-0.14-0.18	0.14-0.16-0.20	0.16-0.20-0.24

【Note】

1. Make sure work piece and machine are stable and use a precision holder, use hydraulic chucks, high quality collet chucks

2. Make sure total indicated run-out(TIR) is less than 0.02mm

3. The recommended cutting condition is suitable for apply water soluble

Recommended Machining Parameters D101/D102/D103 NC Centre Drills

Workpiece		Cutting SpeedVc (m/min)	Feed Rate fn(mm/rev)
Workpiece			Φ12	Φ14	Φ16	Φ20
P	Low-carbonSteels, LongChipping(<125HB)	130-100-60	0.20-0.26-0.32	0.24-0.30-0.35	0.28-0.34-0.4	0.32-0.38-0.45
	Low-carbonSteels, ShortChipping,Free-cuttingSteels(<125HB)	120-100-60	0.20-0.26-0.32	0.24-0.28-0.34	0.28-0.34-0.4	0.32-0.38-0.45
	High CarbonSteel andMedium CarbonSteel(<25HRC)	110-80-60	0.18-0.24-0.30	0.20-0.26-0.30	0.22-0.28-0.32	0.26-0.32-0.40
	Alloy Steel, ToolSteel(<35HRC)	110-80-60	0.18-0.24-0.30	0.20-0.26-0.30	0.22-0.28-0.32	0.26-0.32-0.40
	Alloy Steel, ToolSteel(35-48HRC)	100-80-60	0.18-0.24-0.30	0.20-0.26-0.30	0.22-0.28-0.32	0.26-0.32-0.40
	PH,Ferriticand MartensiticSteel(<35HRC)	100-80-60	0.18-0.24-0.30	0.20-0.26-0.30	0.22-0.28-0.32	0.26-0.32-0.40
K	Grey Cast Iron(<32HRC)	140-120-60	0.26-0.32-0.38	0.28-0.32-0.40	0.30-0.36-0.42	0.32-0.38-0.44
	ModeratelyDifficult Alloy Castiron, NodularCast Iron(< 28HRC)	130-105-60	0.22-0.28-0.34	0.24-0.30-0.36	0.26-0.32-0.38	0.30-0.36-0.42
	Difficult High-alloy Cast Iron,Nodular Cast Iron(< 45HRC)	120-90-60	0.17-0.22-0.28	0.19-0.26-0.31	0.20-0.27-0.33	0.28-0.29-0.35
N	ForgedAluminiumAlloy (Si<12%)	150-120-60	0.26-0.32-0.38	0.28-0.32-0.40	0.30-0.36-0.42	0.32-0.38-0.44
	CastedAluminiumAlloy (Si<12%)	150-120-60	0.22-0.28-0.34	0.24-0.30-0.36	0.26-0.32-0.38	0.30-0.36-0.42
	CastedAluminiumAlloy(Si>12%)	150-120-60	0.18-0.24-0.30	0.20-0.26-0.30	0.22-0.28-0.32	0.26-0.32-0.40
	Copper, CopperAlloy(<200HB)	150-120-60	0.18-0.24-0.30	0.20-0.26-0.30	0.22-0.28-0.32	0.26-0.32-0.40

【Note】

1. Make sure work piece and machine are stable and use a precision holder, use hydraulic chucks, high quality collet chucks

2. Make sure total indicated run-out(TIR) is less than 0.02mm

3. The recommended cutting condition is suitable for apply water soluble

Overview of Drill Grades

Grade	Color	Coating composition	Features
GM3225	Purplegray		•The brand-new structured TiAlN coating is combinedwith the sub-fine grained cemented carbide matrix withhigh cobalt content, which has excellent anti build-up edgeand fragmentation resistance•Applicable to semi-precision to rough machining ofstainless steel and thread processing of general materialssuch as steel and stainless steel steel
GM3220	Bronze		•Double-layer nanostructured PVD coating combine withsubmicron carbide substrate with high Co content,providing excellent wear resistance and red hardness•Suitable for ISO M & mild steel in general cutting conditionwith medium or low speed
GA4230	Fuchsia		•Upgrade PVD TiAIN coating with good heat resistanceAnd toughness, combined carbide substrate with excellentheat and wear resistance, ensure stable processing
GS4130	Purple gray		•Latest TiALN nanostructured coating with micro carbidesubstrate, has good wear resistance and rigidness•Suitable for drilling ISO M and titanium alloy materials

QPMG Drilling Insert

GHDS Drill Body

Indexable Drill Body Identification system

GHD-210-3D-FC

②

③

④

①Tool Type

③Aspect Ratio

Indexable Drills

GHD

⑤

②Dia. of drill

④Shank type

Φ21.0mm

210

Flange-Flat

⑥

⑤Shank Dia.

Φ25.0mm

⑦Cutting edge length

Cutting edge length: 06

⑥Insert series

Q series

⑧Internal coolant mode

Double-twisted internal coolant

Drilling Insert Identification system

[①]

④

⑤

①Shape

③Tolerance

⑥

Q
S
W

②Relief Angle

④Hole/Chipbreaker Symbol

Double-sided

With hole Single-sided

04-DP-GA4230

⑧

⑤Cutting Edge Length Symbol

⑥Thickness

6.5mm

C	7°
P	11°

⑧Chipbreaker Symbol

Indicates the cutting properties and chipbreakers

2.38mm

⑨Grade

GA4230

⑦Corner Rc Symbol

0.4mm

GHDS-2D GHDS-2D Indexable Drills

Dia.	Drilling body	Dimension (mm)							Stock	Insert
Dia.	Drilling body	DC	DMM	DF	LS	LU	LPR	OAL	Stock	Insert
14 GHD-140-2D-FC20-Q04S 14 20 25					50	31	44 94		•	QPMG040204
14.5	GHD-145-2D-FC20-Q04S	14.5	20	25	50	33	46	96	●
15	GHD-150-2D-FC20-Q04S	15	20	25	50	35	47	97	•
15.5	GHD-155-2D-FC20-Q04S	15.5	20	25	50	37	49	99	●
16	GHD-160-2D-FC20-Q05S	16	20	25	50	37	51	101	•
16.5	GHD-165-2D-FC20-Q05S	16.5	20	25	50	38	52	102
17	GHD-170-2D-FC25-Q05S	17	25	32	56	38	53	109		QPMG050204
17.5	GHD-175-2D-FC25-Q05S	17.5	25	32	56	39	55	111	•	QPMG050204
18	GHD-180-2D-FC25-Q05S	18	25	32	56	41	56	112	•
18.5	GHD-185-2D-FC25-Q05S	18.5	25	32	56	42	57	113	●
19	GHD-190-2D-FC25-Q06S	19	25	32	56	42	58	114
19.5	GHD-195-2D-FC25-Q06S	19.5	25	32	56	44	60	116
20	GHD-200-2D-FC25-Q06S	20	25	32	56	44	61	117
20.5	GHD-205-2D-FC25-Q06S	20.5	25	32	56	45	62	118		QPMG060204
21	GHD-210-2D-FC25-Q06S	21	25	32	56	47	64	120		QPMG060204
21.5	GHD-215-2D-FC25-Q06S	21.5	25	32	56	48	65	121
22	GHD-220-2D-FC25-Q06S	22	25	32	56	49	66	122
22.5	GHD-225-2D-FC25-Q06S	22.5	25	32	56	51	68	124
23	GHD-230-2D-FC25-Q07S	23	25	32	56	50	69	125
23.5	GHD-235-2D-FC25-Q07S	23.5	25	32	56	51	70	126
24	GHD-240-2D-FC25-Q07S	24	25	32	56	53	71	127
24.5	GHD-245-2D-FC25-Q07S	24.5	25	32	56	55	73	129
25	GHD-250-2D-FC25-Q07S	25	25	32	56	54	74	130	•	QPMG07T306
25.5	GHD-255-2D-FC32-Q07S	25.5	32	40	60	55	76	136
26	GHD-260-2D-FC32-Q07S	26	32	40	60	56	77	137	•
26.5	GHD-265-2D-FC32-Q07S	26.5	32	40	60	58	78	138
27	GHD-270-2D-FC32-Q07S	27	32	40	60	59	79	139

●StockAvailable upon order

GHDS-2D

GHDS-2D Indexable Drills

Dia.	Drilling body	Dimension (mm)							Stock	Insert
Dia.	Drilling body	DC	DMM	DF	LS	LU	LPR	OAL	Stock	Insert
27.5 GHD-275-2D-FC32-Q09S		27.5 32		40 60		61 81 141
28	GHD-280-2D-FC32-Q09S	28	32	40	60	60	82	142
28.5	GHD-285-2D-FC32-Q09S	28.5	32	40	60	62	83	143	●
29	GHD-290-2D-FC32-Q09S	29	32	40	60	63	84	144	●
29.5	GHD-295-2D-FC32-Q09S	29.5	32	40	60	65	86	146
30	GHD-300-2D-FC32-Q09S	30	32	40	60	65	87	147		QPMG09T308
30.5	GHD-305-2D-FC32-Q09S	30.5	32	40	60	68	89	149		QPMG09T308
31	GHD-310-2D-FC40-Q09S	31	40	48	70	67	90	160
31.5	GHD-315-2D-FC40-Q09S	31.5	40	48	70	68	91	161
32	GHD-320-2D-FC40-Q09S	32	40	48	70	70	92	162
32.5	GHD-325-2D-FC40-Q09S	32.5	40	48	70	72	94	164
33	GHD-330-2D-FC40-Q09S	33	40	48	70	71	95	165
33.5	GHD-335-2D-FC40-Q11S	33.5	40	48	70	73	97	167
34	GHD-340-2D-FC40-Q11S	34	40	48	70	75	98	168
34.5	GHD-345-2D-FC40-Q11S	34.5	40	48	70	76	99	169	•
35	GHD-350-2D-FC40-Q11S	35	40	48	70	78	101	171
35.5	GHD-355-2D-FC40-Q11S	35.5	40	48	70	79	102	172	•
36	GHD-360-2D-FC40-Q11S	36	40	48	70	78	104	174
36.5	GHD-365-2D-FC40-Q11S	36.5	40	48	70	80	105	175	•	QPMG110408
37	GHD-370-2D-FC40-Q11S	37	40	48	70	80	105	175		QPMG110408
37.5	GHD-375-2D-FC40-Q11S	37.5	40	48	70	81	106	176	•
38	GHD-380-2D-FC40-Q11S	38	40	48	70	82	108	178	●
38.5	GHD-385-2D-FC40-Q11S	38.5	40	48	70	84	109	179
39	GHD-390-2D-FC40-Q11S	39	40	48	70	85	110	180
39.5	GHD-395-2D-FC40-Q11S	39.5	40	48	70	85	112	182	•
40	GHD-400-2D-FC40-Q11S	40	40	48	70	86	113 183

Stock Available upon order

GHDS-3DGHDS-3D Indexable Drills

Dia.	Drilling body	Dimension (mm)							Stock	Insert
Dia.	Drilling body	DC	DMM	DF	LS	LU	LPR	OAL	Stock	Insert
14 GHD-140-3D-FC20-Q04S		14	20	25	50	45	58	108		QPMG040204
14.5	GHD-145-3D-FC20-Q04S	14.5	20	25	50	47	60	110
15	GHD-150-3D-FC20-Q04S	15	20	25	50	50	62	112	•
15.5	GHD-155-3D-FC20-Q04S	15.5	20	25	50	52	64	114	●
16	GHD-160-3D-FC20-Q05S	16	20	25	50	51	66	116
16.5	GHD-165-3D-FC20-Q05S	16.5	20	25	50	53	68	118
17	GHD-170-3D-FC25-Q05S	17	25	32	56	54	69	125		QPMG050204
17.5	GHD-175-3D-FC25-Q05S	17.5	25	32	56	56	72	128		QPMG050204
18	GHD-180-3D-FC25-Q05S	18	25	32	56	58	73	129
18.5	GHD-185-3D-FC25-Q05S	18.5	25	32	56	60	75	131
19	GHD-190-3D-FC25-Q06S	19	25	32	56	60	76	132
19.5	GHD-195-3D-FC25-Q06S	19.5	25	32	56	62	79	135	●
20	GHD-200-3D-FC25-Q06S	20	25	32	56	64	81	137	●
20.5	GHD-205-3D-FC25-Q06S	20.5	25	32	56	65	82	138		QPMG060204
21	GHD-210-3D-FC25-Q06S	21	25	32	56	67	84	140		QPMG060204
21.5	GHD-215-3D-FC25-Q06S	21.5	25	32	56	69	86	142
22	GHD-220-3D-FC25-Q06S	22	25	32	56	69	87	143	●
22.5	GHD-225-3D-FC25-Q06S	22.5	25	32	56	72	90	146
23	GHD-230-3D-FC25-Q07S	23	25	32	56	72	91	147
23.5	GHD-235-3D-FC25-Q07S	23.5	25	32	56	75	93	149
24	GHD-240-3D-FC25-Q07S	24	25	32	56	76	95	151	•
24.5	GHD-245-3D-FC25-Q07S	24.5	25	32	56	77	97	153
25	GHD-250-3D-FC25-Q07S	25	25	32	56	79	99	155	●	QPMG07T306
25.5	GHD-255-3D-FC32-Q07S	25.5	32	40	60	80	100	160	●
26	GHD-260-3D-FC32-Q07S	26	32	40	60	81	102	162
26.5	GHD-265-3D-FC32-Q07S	26.5	32	40	60	84	104	164	●
27 GHD-270-3D-FC32-Q07S		27 32		40 60		85 105		165

Stock Available upon order

GHDS-3D

GHDS-3D Indexable Drills

Dia.	Drilling body	Dimension (mm)							Stock	Insert
Dia.	Drilling body	DC	DMM	DF	LS	LU	LPR	OAL	Stock	Insert
27.5 GHD-275-3D-FC32-Q09S		27.5 32		40 60 88 108 168
28	GHD-280-3D-FC32-Q09S	28	32	40	60	87	109	169
28.5	GHD-285-3D-FC32-Q09S	28.5	32	40	60	90	111	171
29	GHD-290-3D-FC32-Q09S	29	32	40	60	91	112	172	●
29.5	GHD-295-3D-FC32-Q09S	29.5	32	40	60	93	115	175
30	GHD-300-3D-FC32-Q09S	30	32	40	60	95	117	177		QPMG09T308
30.5	GHD-305-3D-FC32-Q09S	30.5	32	40	60	97	118	178		QPMG09T308
31	GHD-310-3D-FC40-Q09S	31	40	48	70	98	121	191	•
31.5	GHD-315-3D-FC40-Q09S	31.5	40	48	70	98	122	192
32	GHD-320-3D-FC40-Q09S	32	40	48	70	101	124	194
32.5	GHD-325-3D-FC40-Q09S	32.5	40	48	70	103	126	196
33	GHD-330-3D-FC40-Q09S	33	40	48	70	104	128	198
33.5	GHD-335-3D-FC40-Q11S	33.5	40	48	70	106	130	200	•
34	GHD-340-3D-FC40-Q11S	34	40	48	70	108	131	201
34.5	GHD-345-3D-FC40-Q11S	34.5	40	48	70	109	134	204	•
35	GHD-350-3D-FC40-Q11S	35	40	48	70	112	135	205
35.5	GHD-355-3D-FC40-Q11S	35.5	40	48	70	114	137	207
36	GHD-360-3D-FC40-Q11S	36	40	48	70	113	139	209
36.5	GHD-365-3D-FC40-Q11S	36.5	40	48	70	116	141 211		•	QPMG110408
37	GHD-370-3D-FC40-Q11S	37	40	48	70	117	142	212		QPMG110408
37.5	GHD-375-3D-FC40-Q11S	37.5	40	48	70	118	144	214	•
37.5	GHD-375-3D-FC40-Q11S	37.5	40	48	70	118	144	214	•
38	GHD-380-3D-FC40-Q11S	38	40	48	70	122	146	216
38	GHD-380-3D-FC40-Q11S	38	40	48	70	122	146	216
38.5	GHD-385-3D-FC40-Q11S	38.5	40	48	70	122	148	218
38.5	GHD-385-3D-FC40-Q11S	38.5	40	48	70	122	148	218
39	GHD-390-3D-FC40-Q11S	39	40	48	70	125	149	219
39.5	GHD-395-3D-FC40-Q11S	39.5	40	48	70	124	151 221		•
40	GHD-400-3D-FC40-Q11S	40	40	48	70	126	153 223

●Stock Available upon order

GHDS-4D GHDS-4D Indexable Drills

Dia.	Drilling body	Dimension (mm)							Stock	Insert
Dia.	Drilling body	DC	DMM	DF	LS	LU	LPR	OAL	Stock	Insert
14 GHD-140-4D-FC20-Q04S		14	20	25	50	59	72	122		QPMG040204
14.5	GHD-145-4D-FC20-Q04S	14.5	20	25	50	63	75	125	•
15	GHD-150-4D-FC20-Q04S	15	20	25	50	64	77	127
15.5	GHD-155-4D-FC20-Q04S	15.5	20	25	50	66	79	129	●
16	GHD-160-4D-FC20-Q05S	16	20	25	50	67	82	132
16.5	GHD-165-4D-FC20-Q05S	16.5	20	25	50	70	84	134
17	GHD-170-4D-FC25-Q05S	17	25	32	56	71	86	142	●	QPMG050204
17.5	GHD-175-4D-FC25-Q05S	17.5	25	32	56	74	89	145		QPMG050204
18	GHD-180-4D-FC25-Q05S	18	25	32	56	76	91	147	•
18.5	GHD-185-4D-FC25-Q05S	18.5	25	32	56	78	93	149	●
19	GHD-190-4D-FC25-Q06S	19	25	32	56	79	95	151	●
19.5	GHD-195-4D-FC25-Q06S	19.5	25	32	56	83	99	155
20	GHD-200-4D-FC25-Q06S	20	25	32	56	84	101	157	●
20.5	GHD-205-4D-FC25-Q06S	20.5	25	32	56	87	103	159		QPMG060204
21	GHD-210-4D-FC25-Q06S	21	25	32	56	88	105	161		QPMG060204
21.5	GHD-215-4D-FC25-Q06S	21.5	25	32	56	90	107	163
22	GHD-220-4D-FC25-Q06S	22	25	32	56	92	109	165
22.5	GHD-225-4D-FC25-Q06S	22.5	25	32	56	95	112	168
23	GHD-230-4D-FC25-Q07S	23	25	32	56	99	114	170
23.5	GHD-235-4D-FC25-Q07S	23.5	25	32	56	102	117	173	●
24	GHD-240-4D-FC25-Q07S	24	25	32	56	101	119	175
24.5	GHD-245-4D-FC25-Q07S	24.5	25	32	56	104	122	178
25	GHD-250-4D-FC25-Q07S	25	25	32	56	104	124	180	●	QPMG07T306
25.5	GHD-255-4D-FC32-Q07S	25.5	32	40	60	107	126	186
26	GHD-260-4D-FC32-Q07S	26	32	40	60	108	128	188
26.5	GHD-265-4D-FC32-Q07S	26.5	32	40	60	110	130	190	●
27 GHD-270-4D-FC32-Q07S		27 32		40 60		112 132 192			●

●Stock Available upon order

GHDS-4D

GHDS-4D Indexable Drills

Dia.	Drilling body	Dimension (mm)							Stock	Insert
Dia.	Drilling body	DC	DMM	DF	LS	LU	LPR	OAL	Stock	Insert
27.5 GHD-275-4D-FC32-Q09S		27.5	32	40 60		113 135 195
28	GHD-280-4D-FC32-Q09S	28	32	40	60	115	137	197
28.5	GHD-285-4D-FC32-Q09S	28.5	32	40	60	118	139	199	●
29	GHD-290-4D-FC32-Q09S	29	32	40	60	120	141	201
29	GHD-290-4D-FC32-Q09S	29	32	40	60	120	141	201
29.5	GHD-295-4D-FC32-Q09S	29.5	32	40	60	123	144	204
30	GHD-300-4D-FC32-Q09S	30	32	40	60	125	147	207	●	QPMG09T308
30.5	GHD-305-4D-FC32-Q09S	30.5	32	40	60	126	148	208	O	QPMG09T308
31	GHD-310-4D-FC40-Q09S	31	40	48	70	129	152	222
31.5	GHD-315-4D-FC40-Q09S	31.5	40	48	70	131	154	224	O
32	GHD-320-4D-FC40-Q09S	32	40	48	70	134	156	226
32.5	GHD-325-4D-FC40-Q09S	32.5	40	48	70	137	159	229
33	GHD-330-4D-FC40-Q09S	33	40	48	70	138	161	231
33.5	GHD-335-4D-FC40-Q11S	33.5	40	48	70	142	163	233
34	GHD-340-4D-FC40-Q11S	34	40	48	70	142	165	235	•
34.5	GHD-345-4D-FC40-Q11S	34.5	40	48	70	142	168	238	O
35	GHD-350-4D-FC40-Q11S	35	40	48	70	146	170	240	●
35.5	GHD-355-4D-FC40-Q11S	35.5	40	48	70	146	173	243	O
36	GHD-360-4D-FC40-Q11S	36	40	48	70	150	175	245	●		QPMG110408
36.5	GHD-365-4D-FC40-Q11S	36.5	40	48	70	152	177	247	O
37	GHD-370-4D-FC40-Q11S	37	40	48	70	154	179	249		QP
37.5	GHD-375-4D-FC40-Q11S	37.5	40	48	70	158	182	252
38	GHD-380-4D-FC40-Q11S	38	40	48	70	157	184	254	•
38.5	GHD-385-4D-FC40-Q11S	38.5	40	48	70	160	186	256	O
38.5	GHD-385-4D-FC40-Q11S	38.5	40	48	70	160	186	256	O
39	GHD-390-4D-FC40-Q11S	39	40	48	70	165	188	258
39.5	GHD-395-4D-FC40-Q11S	39.5	40	48	70	166	191	261	•
40	GHD-400-4D-FC40-Q11S	40	40	48	70	164	193 263		•

●Stock Available upon order

GHDS-5D GHDS-5D Indexable Drills

Dia.	Drilling body	Dimension (mm)							Stock	Insert
Dia.	Drilling body	DC	DMM	DF	LS	LU	LPR	OAL	Stock	Insert
14 GHD-140-5D-FC20-Q04S		14	20	25	50	73	86	136		QPMG040204
14.5	GHD-145-5D-FC20-Q04S	14.5	20	25	50	77	90	140	•
15	GHD-150-5D-FC20-Q04S	15	20	25	50	79	92	142	●
15.5	GHD-155-5D-FC20-Q04S	15.5	20	25	50	81	95	145
16	GHD-160-5D-FC20-Q05S	16	20	25	50	83	98	148	•
16.5	GHD-165-5D-FC20-Q05S	16.5	20	25	50	87	101	151
17	GHD-170-5D-FC25-Q05S	17	25	32	56	90	104	160	•	QPMG050204
17.5	GHD-175-5D-FC25-Q05S	17.5	25	32	56	93	107	163		QPMG050204
18	GHD-180-5D-FC25-Q05S	18	25	32	56	94	109	165
18.5	GHD-185-5D-FC25-Q05S	18.5	25	32	56	97	112	168	●
19	GHD-190-5D-FC25-Q06S	19	25	32	56	99	114	170
19.5	GHD-195-5D-FC25-Q06S	19.5	25	32	56	103	118	174
20	GHD-200-5D-FC25-Q06S	20	25	32	56	104	121	177	●
20.5	GHD-205-5D-FC25-Q06S	20.5	25	32	56	107	124	180		QPMG060204
21	GHD-210-5D-FC25-Q06S	21	25	32	56	109	126	182		QPMG060204
21.5	GHD-215-5D-FC25-Q06S	21.5	25	32	56	112	129	185
22	GHD-220-5D-FC25-Q06S	22	25	32	56	113	131	187	●
22.5	GHD-225-5D-FC25-Q06S	22.5	25	32	56	116	134	190
23	GHD-230-5D-FC32-Q07S	23	32	40	60	120	138	198
23.5	GHD-235-5D-FC32-Q07S	23.5	32	40	60	122	140	200
24	GHD-240-5D-FC32-Q07S	24	32	40	60	124	143	203	●
24.5	GHD-245-5D-FC32-Q07S	24.5	32	40	60	127	146	206	•
25	GHD-250-5D-FC32-Q07S	25	32	40	60	129	149	209	●	QPMG07T306
25.5	GHD-255-5D-FC32-Q07S	25.5	32	40	60	133	153	213
26	GHD-260-5D-FC32-Q07S	26	32	40	60	137	157	217
26.5	GHD-265-5D-FC32-Q07S	26.5	32	40	60	138	158	218	●
27 GHD-270-5D-FC32-Q07S		27 32		40 60		139 159 219			●

Stock Available upon order

GHDS-5D

GHDS-5D Indexable Drills

Dia.	Drilling body	Dimension (mm)							Stock	Insert
Dia.	Drilling body	DC	DMM	DF	LS	LU	LPR	OAL	Stock	Insert
27.5 GHD-275-5D-FC32-Q09S 27.5 32 40 60						142 162 222
28	GHD-280-5D-FC32-Q09S	28	32	40	60	143	165	225	•
28.5	GHD-285-5D-FC32-Q09S	28.5	32	40	60	147	169	229
29	GHD-290-5D-FC32-Q09S	29	32	40	60	150	171	231
29.5	GHD-295-5D-FC32-Q09S	29.5	32	40	60	153	174	234	•
30	GHD-300-5D-FC32-Q09S	30	32	40	60	155	177	237		QPMG09T308
30.5	GHD-305-5D-FC32-Q09S	30.5	32	40	60	158	180	240	•
31	GHD-310-5D-FC40-Q09S	31	40	48	70	160	183	253
31.5	GHD-315-5D-FC40-Q09S	31.5	40	48	70	163	186	256	•
32	GHD-320-5D-FC40-Q09S	32	40	48	70	166	188	258
32.5 GHD-325-5D-FC40-Q09S		32.5	40	48	70	170	192	262	•

Stock Available upon order

Insert Type		Grade		Dimension (mm)				Drilling Dia.
Insert Type	GA4230	GM3220	GS4130	IC	S	RE	D1	Drilling Dia.
QPMG040204-DP		。	O	4.7	2.3 0.4		2.2 Φ14.0～Φ15.9
QPMG050204-DP		O	●	5.7	2.5	0.4	2.6	Φ16.0～Φ18.9
QPMG060204-DP		●		6.5	2.5	0.4	2.6	Φ19.0～Φ22.5
QPMG07T306-DP		O	●	7.94	3.5	0.6	2.85	Φ22.6～Φ27.0
QPMG09T308-DP		。		9.7	3.97	0.8	3.5	Φ27.1~Φ33.0
QPMG110408-DP		O	O	11.5	4.76	0.8	4.4	Φ33.1～Φ40.0

GA4230- Universal Grade GM3220 - For stainless steel GS4130-Suitable for HRSA Material, and unstable conditions
Stock Available upon order

Spare Parts

Insert	Screw		Wrench
Insert	Ordering Code	Diagram	Ordering Code	Diagram
QPMG040204	PSI60M020050-02704B	a	PTT05IPB
QPMG050204	PSI60M022055-03107B		PTT06IPB
QPMG060204	PSI60M022055-03107B		PTT06IPB
QPMG07T306	PSI60M025070-03509B		PTT07IPB
QPMG09T308	PSI60M030080-04210B		PTT09IPB
QPMG110408	PSI60M040100-05510B		PTT15IPB

SPMG

General Drill Insert

Insert Type	Grade		Dimension (mm)				Drilling Dia.
Insert Type	GA4230	GS4130	IC	S	RE	D1	Drilling Dia.
SPMG050204-DM			5 2.38 2.2 0.4 Φ13.0～Φ15.0
SPMG060204-DM			6	2.38	2.6	0.4	Φ15.5~Φ21.5
SPMG07T308-DM			7.94	3.97	2.8	0.8 Φ22.0～Φ27.5
SPMG090408-DM			9.8	4.3	4.2	0.8	Φ28.0～Φ33.0
SPMG110408-DM			11.5	4.76 4.4		0.8	Φ33.0～Φ41.0
SPMG140512-DM			14.3	5.2	5.8	1.2	Φ42.0～Φ50.0

GA4230- Universal Grade

GS4130-Suitable for HRSA Material, and unstable conditions

StockAvailable upon order

General Drill Insert

Insert Type	Grade	Dimension (mm)				Drilling Dia.
Insert Type	GA4230	IC	S	RE	D1	Drilling Dia.
WCMT030208-DU 5.56			2.38	2.8 0.8 Φ15.0～Φ20.5
WCMT040208-DU		6.35	2.38	2.9	0.8	Φ21.0~Φ24.5
WCMT050308-DU		7.94	3.18	3.4	0.8 Φ25.0~Φ30.0
WCMT06T308-DU		9.52	3.97	3.8	0.8	Φ30.5～Φ39.5
WCMT080412-DU 12.7			4.76	4.4 1.2 Φ40.0～Φ60.0

Stock Available upon order

8D Internal Coolant Twist Drills for Steel

8D Internal Coolant Twist Drills for Steel

5D Internal Coolant Twist Drills for Cast Iron

Recommended Machining Parameters

D918S Series High Performance Twist Drill for Steel

【Note】

Recommended Machining Parameters

D918S Series High Performance Twist Drill for Steel

【Note】

Recommended Machining Parameters

【Note】

Recommended Machining Parameters

D968S Series High Efficient Twist drill for Stainless Steel

【Note】

Recommended Machining Parameters

D938 Twist Drills for Steel 3D\5D

Recommended Machining Parameters

D938 Twist Drills for Steel 3D\5D

Recommended Machining Parameters D938 Twist deep-hole Drills, 8D\12D\15D

Recommended Machining Parameters

D938 Twist deep-hole Drills, 8D\12D\15D

Recommended Machining Parameters

D928 Twist Drill for Cast Iron

【Note】

Recommended Machining Parameters

D928 Twist Drill for Cast Iron

【Note】

Recommended Machining Parameters

D966 Twist Drill for Aluminium

【Note】

Recommended Machining Parameters

D998 Twist Drill for Hardened Steel

Recommended Machining Parameters D101/D102/D103 NC Centre Drills

【Note】

Recommended Machining Parameters D101/D102/D103 NC Centre Drills

【Note】

Overview of Drill Grades

GHDS Drill Body

Indexable Drill Body Identification system

Drilling Insert Identification system

04-DP-GA4230

GHDS-2D GHDS-2D Indexable Drills

GHDS-2D

GHDS-3D

GHDS-4D GHDS-4D Indexable Drills

GHDS-4D

GHDS-5D GHDS-5D Indexable Drills

GHDS-5D

GHDS-5D Indexable Drills

SPMG

MCMG Spade Drilling insert

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