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Self- Tightening Tapping and Drilling Chucks
Slip-resistant performance for drilling and tapping
Model-dependent tapping capacity: M3-M24
Model-dependent drillingcapacity: ∅1-030 mm
Tool-free hand tightening and release
High precision and extended service life
ROD C CT S 20 nu S
Product Series
Self-Tightening Tapping and Drilling Chucks
Gear-Drive Series 04
Screw-Drive Series 13
Drill Chuck Arbors
Adjustable-Torque, Overload-Protection Arbors 20
Drill Chuck Arbors with Ejector Nut 22
Product Features
Slip-Resistant Grip - The self-tightening mechanism increases gripping force under load and helps minimize tool slippage.
Tool-Free Operation - Install and remove tools by hand; no chuck key or hook spanner is required.
Drilling and Tapping in One Chuck - One chuck supports both operations within the capacity specified for each model.
Extended Service Life - Durable components and controlled manufacturing help support long-term performance.
Make work more enjoyable for operators.
Bidirectional Operation - Consistent gripping in both clockwise and counterclockwise rotation.
Secure During Rapid Stops - The retention design helps maintain tool grip during sudden deceleration.
Faster Tool Changes - Hand tightening and release reduce setup time.
Stable Machining - High gripping torque and controlled runout support repeatable results.
• Patented chuck design for drilling and tapping applications.
Gear-Drive Series
The Chuck Holemaking Tools Waited 123 Years For.
2 A Hold That Feels Meant to Be. They Were Made for Each Other.
3 The tool and chuck, engineered to work as one.
Secure grip. Less slippage. Longer service life.
5 One Chuck. More Capability.
Keyless Tapping and Drilling Chuck - Taper Mount
☆Tool-free hand tightening and release for fast setup.
☆Gear-drive design provides strong gripping force and helps prevent slippage.
☆Ratchet-style self-locking mechanism supports drilling and tapping.
☆Ejector nut simplifies chuck removal and helps protect the spindle taper.
☆Suitable for drill presses, radial drills, tapping machines, lathes, milling machines, and magnetic drills.
| No. | Model | Mount | Clamping range | Drilling range | Tapping range | D | L | |||||
| mm | in | mm | in | mm | in | mm | in | mm | in | |||
| 001 | J0113-B16 | B16 | 1-13 | 0.039-0.512 | 1-20 | 0.039-0.787 | M3-M16 | 2/16-5/8 | 52 | 2.047 | 118 | 4.646 |
| 002 | J0113-JT33 | JT33 | 1-13 | 0.039-0.512 | 1-20 | 0.039-0.787 | M3-M16 | 2/16-5/8 | 52 | 2.047 | 118 | 4.646 |
| 003 | J0113-JT6 | JT6 | 1-13 | 0.039-0.512 | 1-20 | 0.039-0.787 | M3-M16 | 2/16-5/8 | 52 | 2.047 | 118 | 4.646 |
| 004 | J0116-B16 | B16 | 1-16 | 0.039-0.63 | 1-24 | 0.039-0.945 | M3-M20 | 2/16-3/4 | 60 | 2.362 | 130 | 5.118 |
| 005 | J0116-B18 | B18 | 1-16 | 0.039-0.63 | 1-24 | 0.039-0.945 | M3-M20 | 2/16-3/4 | 60 | 2.362 | 130 | 5.118 |
| 006 | J0116-JT33 | JT33 | 1-16 | 0.039-0.63 | 1-24 | 0.039-0.945 | M3-M20 | 2/16-3/4 | 60 | 2.362 | 130 | 5.118 |
| 007 | J0116-JT6 | JT6 | 1-16 | 0.039-0.63 | 1-24 | 0.039-0.945 | M3-M20 | 2/16-3/4 | 60 | 2.362 | 130 | 5.118 |
| 008 | J0116H-B18 | B18 | 1-16 | 0.039-0.63 | 1-30 | 0.039-1.181 | M3-M24 | 2/16-7/8 | 69 | 2.717 | 139.5 | 5.492 |
| 009 | J0116H-JT6 | JT6 | 1-16 | 0.039-0.63 | 1-30 | 0.039-1.181 | M3-M24 | 2/16-7/8 | 69 | 2.717 | 139.5 | 5.492 |
| 010 | J0120-B22 | B22 | 5-20 | 0.197-0.787 | 5-30 | 0.197-1.181 | M6-M24 | 1/4-7/8 | 69 | 2.717 | 139.5 | 5.492 |
| 011 | J0120-JT3 | JT3 | 5-20 | 0.197-0.787 | 5-30 | 0.197-1.181 | M6-M24 | 1/4-7/8 | 69 | 2.717 | 139.5 | 5.492 |
| 011A | J0125-B24 | B24 | 5-25 | 0.197-0.984 | 5-35 | 0.197-1.378 | M6-M28 | 1/4-1 1/8 | 82.5 | 2.33 166 | 6.535 | |
| 011B | J0125-JT4 | JT4 | 5-25 | 0.197-0.984 | 5-35 | 0.197-1.378 | M6-M28 | 1/4-1 1/8 | 82.5 | 2.33 166 | 6.535 | |
Magnetic Self-tightening Tapping & Drilling Chuck
☆Special-purpose chuck for magnetic drilling applications.
☆Use the model table in the source artwork for mount, capacity, and dimensional specifications.
| No. | Model | Mount | Clamping range | Drilling range | Tapping range | D | L | |||||
| mm | in | mm | in | mm | in | mm | in | mm | in | |||
| 012 | J0113-MD-B16 | B16 | 1-13 | 0.039-0.512 | 1-20 | 0.039-0.787 | M3-M16 | 2/16-5/8 | 53 | 2.087 | 104 | 4.094 |
| 013 | J0113-MD-JT33 | JT33 | 1-13 | 0.039-0.512 | 1-20 | 0.039-0.787 | M3-M16 | 2/16-5/8 | 53 | 2.087 | 104 | 4.094 |
| 014 | J0116-MD-B18 | B18 | 1-16 | 0.039-0.63 | 1-24 | 0.039-0.945 | M3-M20 | 2/16-3/4 | 63 | 2.48 | 115 | 4.528 |
| 015 | J0116-MD-JT6 | JT6 | 1-16 | 0.039-0.63 | 1-24 | 0.039-0.945 | M3-M20 | 2/16-3/4 | 63 | 2.48 | 115 | 4.528 |
Keyless Self-Tightening Chuck - Threaded Mount
☆Tool-free hand tightening and release reduces setup time.
☆Gear-drive mechanism provides strong gripping force and helps prevent slippage.
☆Ratchet-style self-locking design supports drilling and tapping.
Suitable for Corded Drill,Cordless Drill,drill presses, radial drills, tapping machines, lathes,
milling machines, and magnetic drills.
| No. | Model | Mount | Clamping range | Drilling range | Tapping range | D | L | |||||
| mm | in | mm | in | mm | in | mm | in | mm | in | |||
| 016 | J0313 | 3/8-24UNF | 1-13 | 0.039-0.5 | 1-16 | 0.039-0.63 | M3-M12 | 6/40-1/2 | 43.5 | 1.713 | 84 | 3.307 |
| 1/2-20UNF | 1-13 | 0.039-0.5 | 1-16 | 0.039-0.63 | M3-M12 | 6/40-1/2 | 43.5 | 1.713 | 84 | 3.307 | ||
| 9/16-18UNF | 1-13 | 0.039-0.5 | 1-16 | 0.039-0.63 | M3-M12 | 6/40-1/2 | 43.5 | 1.713 | 84 | 3.307 | ||
| M10×1.5 | 1-13 | 0.039-0.5 | 1-16 | 0.039-0.63 | M3-M12 | 6/40-1/2 | 43.5 | 1.713 | 84 | 3.307 | ||
| M12X1.25 | 1-13 | 0.039-0.5 | 1-16 | 0.039-0.63 | M3-M12 | 6/40-1/2 | 43.5 | 1.713 | 84 | 3.307 | ||
| 016A | J0316 | 5/8-16UN | 3-16 | 0.118-0.63 | 3-18 | 0.118-0.709 | M4-M16 | 8/32-5/8 | 52 | 2.047 | 105 | 4.134 |
Integral Straight-Shank Tapping and Drilling Chuck
☆One-piece chuck-and-shank construction minimizes tolerance stack-up and supports high precision.
☆Tool-free hand tightening and release.
Gear-drive mechanism provides strong gripping force and helps prevent slippage.
Ratchet-style self-locking design supports drilling and tapping.
☆Suitable for milling machines.
| No. | Model | Clamping range | Drilling range | Tapping range | D | D1 | L1 | L | |||||||
| mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | ||
| 017 | J0113-C20 | 1-13 | 0.039-0.512 | 1-20 | 0.039-0.787 | M3-M16 | 2/16-5/8 | 52 | 2.047 | 20 | 0.787 | 60 | 2.362 | 166 | 6.535 |
| 018 | J0116-C20 | 1-16 | 0.039-0.63 | 1-24 | 0.039-0.945 | M3-M20 | 2/16-3/4 | 60 | 2.362 | 20 | 0.787 | 60 | 2.362 | 180 | 7.887 |
| 019 | J0116-C25 | 1-16 | 0.039-0.63 | 1-24 | 0.039-0.945 | M3-M20 | 2/16-3/4 | 60 | 2.362 | 25 | 0.984 | 80 | 3.15 | 200 | 7.874 |
Integral Tang-Type Morse Taper Tapping and Drilling Chuck
☆One-piece chuck-and-shank construction minimizes tolerance stack-up.
☆Tool-free hand tightening and release reduces setup time.
☆Gear-drive mechanism provides strong gripping force and helps prevent slippage.
☆Suitable for drill presses, radial drills, tapping machines, lathes, milling machines, and magnetic drills.
| No. | Model | Clamping range | Drilling range | Tapping range | D | D1 | L1 | L | |||||||
| mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | ||
| 020 | J0113-MT2 | 1-13 | 0.039-0.512 | 1-20 | 0.039-0.787 | M3-M16 | 2/16-5/8 | 52 | 2.047 | 17.78 | 0.7 | 78.5 | 3.09 | 184.5 | 7.264 |
| 021 | J0113-MT3 | 1-13 | 0.039-0.512 | 1-20 | 0.039-0.787 | M3-M16 | 2/16-5/8 | 52 | 2.047 | 23.825 | 0.938 | 98 | 3.858 | 205 | 8.071 |
| 022 | J0116-MT2 | 1-16 | 0.039-0.63 | 1-24 | 0.039-0.945 | M3-M20 | 2/16-3/4 | 60 | 2.362 | 17.78 | 0.7 | 78.5 | 3.09 | 198.5 | 7.815 |
| 023 | J0116-MT3 | 1-16 | 0.039-0.63 | 1-24 | 0.039-0.945 | M3-M20 | 2/16-3/4 | 60 | 2.362 | 23.825 | 0.938 | 98 | 3.858 | 218 | 8.583 |
| 024 | J0116H-MT2 | 1-16 | 0.039-0.63 | 1-30 | 0.039-1.181 | M3-M24 | 2/16-7/8 | 69 | 2.717 | 17.78 | 0.7 | 78.5 | 3.09 | 208 | 8.189 |
| 025 | J0116H-MT3 | 1-16 | 0.039-0.63 | 1-30 | 0.039-1.181 | M3-M24 | 2/16-7/8 | 69 | 2.717 | 23.825 | 0.938 | 98 | 3.858 | 228 | 8.976 |
| 026 | J0120-MT2 | 5-20 | 0.197-0.787 | 5-30 | 0.197-1.181 | M6-M24 | 1/4-7/8 | 69 | 2.717 | 17.78 | 0.7 | 78.5 | 3.09 | 208 | 8.189 |
| 027 | J0120-MT3 | 5-20 | 0.197-0.787 | 5-30 | 0.197-1.181 | M6-M24 | 1/4-7/8 | 69 | 2.717 | 23.825 | 0.938 | 78.5 | 3.858 | 228 | 8.976 |
| 027A | J025-MT4 | 5-25 | 0.197-0.984 | 5-35 | 0.197-1.378 | M6-M28 | 1/4-1 1/8 | 82.5 | 3.248 | 31.267 | 1.231 | 124 | 4.882 | 274 | 10.787 |
| No. | Model | Clamping range | Drilling range | Tapping range | D | D1 | L1 | L | |||||||
| mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | ||
| 028 | J0113-MD-MT | 21-13 | 0.039-0.512 | 1-20 | 0.039-0.787 | M3-M16 | 2/16-5/8 | 53 | 2.087 | 17.78 | 0.7 | 78.5 | 3.09 | 173 | 4.094 |
| 029 | J0113-MD-MT | 31-13 | 0.039-0.512 | 1-20 | 0.039-0.787 | M3-M16 | 2/16-5/8 | 53 | 2.087 | 23.825 | 0.938 | 98 | 3.858 | 193 | 4.094 |
| 030 | J0116-MD-MT2 | 1-16 | 0.039-0.63 | 1-24 | 0.039-0.945 | M3-M20 | 2/16-3/4 | 63 | 2.48 | 17.78 | 0.7 | 78.5 | 3.09 | 184 | 7.244 |
| 031 J0116-MD-MT | 31-16 | 0.039-0.63 | 1-24 | 0.039-0.945 | M3-M20 | 2/16-3/4 | 63 | 2.48 | 23.825 | 0.938 | 98 | 3.858 | 204 | 8.031 | |
Integral Drawbar-Type Morse Taper Tapping and Drilling Chuck
☆One-piece chuck-and-shank construction supports precision and rigidity.
☆Tool-free hand tightening and release.
☆Gear-drive mechanism provides strong gripping force and helps prevent slippage.
☆Suitable for drilling and tapping machines.
| No. | Model | Clampingrange | Drilling range | Tapping range | D | D1 | L1 | L | M | |||||||
| mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | |||
| 032 | J0113-MT2W | 1-13 | 0.039-0.512 | 1-20 | 0.039-0.787 | M3-M16 | 2/16-5/8 | 55 | 2.165 | 17.78 | 0.7 | 78.5 | 3.091 | 184.5 | 7.264 | M10 |
| 033 | J0113-MT3W | 1-13 | 0.039-0.512 | 1-20 | 0.039-0.787 | M3-M16 | 2/16-5/8 | 52 | 2.047 | 23.825 | 0.938 | 85 | 3.346 | 192 | 7.559 | M12 |
| 034 | J0116-MT2W | 1-16 | 0.039-0.63 | 1-24 | 0.039-0.945 | M3-M20 | 2/16-3/4 | 63 | 2.48 | 17.78 | 0.7 | 78.5 | 3.091 | 198.5 | 7.815 | M10 |
| 035 | J0116-MT3W | 1-16 | 0.039-0.63 | 1-24 | 0.039-0.945 | M3-M20 | 2/16-3/4 | 63 | 2.48 | 23.825 | 0.938 | 98 | 3.858 | 218 | 8.583 | M12 |
Integral Short-Taper Tapping and Drilling Chuck
One-piece chuck-and-holder construction minimizes tolerance stack-up.
☆Tool-free hand tightening and release reduces setup time
☆Available for BT, BBT, DAT, and CAT interfaces as listed in the model table.
Gear — drive mechanism provides strong gripping force and helps prevent slippage.
Designed for CNC machining centers and CNC milling machines.
| No. | Model | Clamping range | D | D1 | L1 | L | |||||
| mm | in | mm | in | mm | in | mm | in | mm | in | ||
| 036 | J0113-MT2D | 1-13 | 0.039-0.512 | 52 | 2.047 | 17.78 | 0.7 | 25 | 0.984 | 131 | 5.157 |
| 037 | J0113-MT3D | 1-13 | 0.039-0.512 | 52 | 2.047 | 23.825 | 0.938 | 26.5 | 1.043 | 132.5 | 5.217 |
| 038 | J0116-MT2D | 1-16 | 0.039-0.63 | 60 | 2.362 | 17.78 | 0.7 | 25 | 0.984 | 145 | 5.709 |
| 039 | J0116-MT3D | 1-16 | 0.039-0.63 | 60 | 2.362 | 23.825 | 0.938 | 26.5 | 1.043 | 146.5 | 5.768 |
High-Precision Integral-Shank Tapping and Drilling Chuck
☆Integral chuck-and-holder construction prevents separation during heavy cutting.
☆Tool-free hand tightening and release reduces setup time.
☆High gripping force and a self-locking mechanism support drilling and tapping.
☆Interfaces conform to the standards identified in the model tables.
☆Suitable for machining centers.
| No. | Model | L1 | L | L2 | D | d1 | d2 | R | |||||||
| mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | ||
| 040 | BT30-APU13-115 | 115 | 4.528 | 179 | 7.047 | 75 | 2.953 | 59.5 | 2.343 | 53 | 2.087 | 13 | 0.512 | 0.05 | 0.002 |
| 041 | BT40-APU13-110 | 110 | 4.331 | 190.4 | 7.496 | 75 | 2.953 | 63 | 2.48 | 53 | 2.087 | 13 | 0.512 | 0.05 | 0.002 |
| 042 | BT40-APU16-130 | 130 | 5.118 | 213 | 8.386 | 80 | 3.15 | 66.5 | 2.618 | 60 | 2.362 | 16 | 0.63 | 0.05 | 0.002 |
| 043 | BT50-APU13-120 | 120 | 4.724 | 237 | 9.331 | 75 | 2.953 | 100 | 3.937 | 53 | 2.362 | 13 | 0.512 | 0.05 | 0.002 |
| 044 | BT50-APU16-125 | 125 | 4.921 | 242 | 9.528 | 80 | 3.15 | 100 | 3.937 | 60 | 2.48 | 16 | 0.63 | 0.05 | 0.002 |
| No. | Model | L1 | L | L2 | D | d1 | d2 | R | |||||||
| mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | ||
| 045 | DAT30-APU13-116 | 116 | 4.567 | 182 | 7.165 | 75 | 2.953 | 59.5 | 2.343 | 53 | 2.087 | 13 | 0.512 | 0.05 | 0.002 |
| 046 | DAT40-APU16-130 | 130 | 5.118 | 218 | 8.583 | 80 | 3.15 | 66.5 | 2.618 | 60 | 2.362 | 16 | 0.63 | 0.05 | 0.002 |
| 045 | DAT40-APU13-110 | 110 | 4.331 | 193.4 | 7.614 | 75 | 2.953 | 63.5 | 2.5 | 53 | 2.087 | 13 | 0.512 | 0.05 | 0.002 |
| 048 | DAT50-APU13-110 | 110 | 4.331 | 226.75 | 8.927 | 75 | 2.953 | 97.5 | 3.839 | 53 | 2.087 | 13 | 0.512 | 0.05 | 0.002 |
| 049 | DAT50-APU16-120 | 120 | 4.724 | 236.75 | 9.321 | 80 | 3.15 | 97.5 | 3.839 | 60 | 2.362 | 16 | 0.63 | 0.05 | 0.002 |
| No. | Model | L1 | L | L2 | D | d1 | d2 | R | |||||||
| mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | ||
| 050 | CAT30-APU13-116 | 116 | 4.567 | 182 | 7.165 | 75 | 2.953 | 59.5 | 2.343 | 53 | 2.087 | 13 | 0.512 | 0.05 | 0.002 |
| 051 | CAT40-APU16-130 | 130 | 5.118 | 218 | 8.583 | 80 | 3.15 | 66.5 | 2.618 | 60 | 2.362 | 16 | 0.63 | 0.05 | 0.002 |
| 052 | CAT40-APU13-110 | 110 | 4.331 | 193.3 | 7.608 | 75 | 2.953 | 63.5 | 2.5 | 53 | 2.087 | 13 | 0.512 | 0.05 | 0.002 |
| 053 | CAT50-APU13-110 | 110 | 4.331 | 226.75 | 8.297 | 75 | 2.953 | 98.45 | 3.876 | 53 | 2.087 | 13 | 0.512 | 0.05 | 0.002 |
| 054 | CAT50-APU16-120 | 120 | 4.724 | 236.75 | 9.321 | 80 | 3.15 | 98.45 | 3.876 | 60 | 2.362 | 16 | 0.63 | 0.05 | 0.002 |
Screw-Drive Series Features
Stable, reliable drilling and tapping within the capacity specified for each model
2 Maximum clamping torque: 87 N.m
03 Runout: less than 0.05 mm (0.002 in.).
04 Consistent gripping force in forward and reverse rotation.
5 Selected, specially treated components support extended service life.
A safety-lock mechanism helps prevent accidental release during sudden stops or reverse rotation.
Keyless Tapping and Drilling Chuck - Taper Mount
☆Maximum radial runout for M-grade models: 0.05 mm, measured with a test arbor.
☆Gripping force increases with cutting resistance.
☆Supports drilling and tapping in forward and reverse rotation.
☆Suitable for drill presses, radial drills, milling machines, lathes, and CNC machine tools.
| No. | Model | Mount | Clamping range | L1 | L | D | ||||
| mm | in | mm | in | mm | in | mm | in | |||
| 055 | J0113-BZ-B16 | B16 | 1-13 | 0.0393-0.512 | 96 | 3.78 | 108 | 4.25 | 50 | 1.97 |
| 056 | J0113-BZ-JT33 | JT33 | 1-13 | 0.0393-0.512 | 96 | 3.78 | 108 | 4.25 | 50 | 1.97 |
| 057 | J0113-BZ-JT6 | JT6 | 1-13 | 0.0393-0.512 | 96 | 3.78 | 108 | 4.25 | 50 | 1.97 |
| 058 | J0113-BZ-JT2 | JT2 | 1-13 | 0.0393-0.512 | 96 | 3.78 | 108 | 4.25 | 50 | 1.97 |
| 059 | J0116-BZ-JT6 | JT6 | 1-16 | 0.0393-0.630 | 102 | 4.01 | 114 | 4.48 | 57 | 2.24 |
| 060 | J0116-BZ-JT3 | JT3 | 1-16 | 0.0393-0.630 | 108 | 4.25 | 120 | 4.72 | 57 | 2.24 |
| 061 | J0116-BZ-JT33 | JT33 | 1-16 | 0.0393-0.630 | 102 | 4.01 | 114 | 4.48 | 57 | 2.24 |
| 062 | J0116-BZ-B16 | B16 | 1-16 | 0.0393-0.630 | 102 | 4.01 | 114 | 4.48 | 57 | 2.24 |
| 063 | J0116-BZ-B18 | B18 | 1-16 | 0.0393-0.630 | 108 | 4.25 | 120 | 4.72 | 57 | 2.24 |
APU High-Precision Integral-Shank Tapping and Drilling Chuck
Supports drilling and tapping with consistent torque in forward and reverse rotation.
☆Integral chuck-and-holder construction prevents separation during heavy cutting.
☆Designed for CNC machining centers and CNC milling machines.
| No. | Model | L1 | L2 | L | d1 | D | d2 | R(≤) | ||||||
| mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | |||
| 064 | BT40-APU13ZT-126 | 126 | 4.96 | 75 | 2.95 | 202 | 7.95 | 50 | 1.97 | 63 | 2.48 | 13 | 0.51 | 0.05 |
| 065 | BT40-APU16ZT-132 | 132 | 5.20 | 80 | 3.15 | 208 | 8.19 | 57 | 2.24 | 63 | 2.48 | 16 | 0.63 | 0.05 |
| 066 | BT50-APU13ZT-126 | 126 | 4.96 | 75 | 2.95 | 249 | 9.80 | 50 | 1.97 | 100 | 3.94 | 13 | 0.51 | 0.05 |
| 067 | BT50-APU16ZT-132 | 132 | 5.20 | 80 | 3.15 | 255 | 10.04 | 57 | 2.24 | 100 | 3.94 | 16 | 0.63 | 0.05 |
| No. | Model | L1 | L2 | L | d1 | D | d2 | R(≤) | ||||||
| mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | |||
| 068 | CAT40-APU13ZT-115 | 115 | 4.53 | 75 | 2.95 | 195 | 7.68 | 50 | 1.97 | 63.5 | 2.5 | 13 | 0.51 | 0.05 |
| 069 | CAT40-APU16ZT-121 | 121 | 4.76 | 80 | 3.15 | 211 | 8.31 | 57 | 2.24 | 63.5 | 2.5 | 16 | 0.63 | 0.05 |
| 070 | CAT50-APU13ZT-115 | 115 | 4.53 | 75 | 2.95 | 229 | 9.02 | 50 | 1.97 | 98.42 | 3.87 | 13 | 0.51 | 0.05 |
| 071 | CAT50-APU16ZT-121 | 121 | 4.76 | 80 | 3.15 | 235 | 8.25 | 57 | 2.24 | 98.42 | 3.87 | 16 | 0.63 | 0.05 |
| No. | Model | L1 | L2 | L | d1 | D | d2 | R(≤) | ||||||
| mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | |||
| 072 | DAT40-APU13ZT-115 | 115 | 4.52 | 75 | 2.95 | 195 | 7.68 | 50 | 1.97 | 63.5 | 2.5 | 13 | 0.51 | 0.05 |
| 073 | DAT40-APU16ZT-121 | 121 | 4.76 | 80 | 3.15 | 211 | 8.31 | 57 | 2.24 | 63.5 | 2.5 | 16 | 0.63 | 0.05 |
| 074 | DAT50-APU13ZT-115 | 115 | 4.52 | 75 | 2.95 | 229 | 9.02 | 50 | 1.97 | 97.5 | 3.84 | 13 | 0.51 | 0.05 |
| 075 | DAT50-APU16ZT-121 | 121 | 4.76 | 80 | 3.15 | 235 | 9.25 | 57 | 2.24 | 97.5 | 3.84 | 16 | 0.63 | 0.05 |
Integral Straight-Shank Tapping and Drilling Chuck
Compact one-piece construction reduces tolerance stack-up and supports machining accuracy.
Gripping force increases with cutting resistance.
☆Supports drilling and tapping in forward and reverse rotation.
| No. | Model | Mount | Clamping range | D | D1 | L | L1 | L2 | ||||||
| mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | |||
| 076 | J0113-BZ-C20 | C20 | 1-13 | 0.0393-0.512 | 50 | 1.97 | 20 | 0.78 | 168 | 6.61 | 105 | 4.13 | 93 | 3.66 |
| 077 | J0116-BZ-C20 | C20 | 1-16 | 0.0393-0.630 | 57 | 2.24 | 20 | 0.78 | 174 | 6.85 | 111 | 4.37 | 99 | 3.90 |
| 078 | J0116-BZ-C25 | C25 | 1-16 | 0.0393-0.630 | 57 | 2.24 | 25 | 0.98 | 194 | 7.64 | 111 | 4.37 | 99 | 3.90 |
Integral Tang-Type Morse Taper Tapping and Drilling Chuck
Compact one-piece construction reduces tolerance stack-up.
☆Gripping force increases with cutting resistance.
☆Supports drilling and tapping in forward and reverse rotation.
| No. | Model | Mount | Clamping range | D | D1 | L | L1 | L2 | ||||||
| mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | |||
| 079 | J0113-BZ-MT2 | MT2 | 1-13 | 0.0393-0.512 | 50 | 1.97 | 17.78 | 0.7 | 186 | 7.32 | 105 | 4.13 | 93 | 3.66 |
| 080 | J0116-BZ-MT2 | MT2 | 1-16 | 0.0393-0.630 | 57 | 2.24 | 17.78 | 0.7 | 192 | 7.56 | 111 | 4.37 | 99 | 3.90 |
| 081 | J0116-BZ-MT3 | MT3 | 1-16 | 0.0393-0.630 | 57 | 2.24 | 23.83 | 0.94 | 210 | 8.27 | 111 | 4.37 | 99 | 3.90 |
Integral Short-Taper Tapping and Drilling Chuck
Compact one-piece construction supports rigidity and accuracy.
☆Gripping force increases with cutting resistance.
☆Available with BT, BBT, DAT, CAT, andother interfaces listed in the model table.
☆Designed for CNC machining centers, CNC milling machines, and other CNC equipment.
| No. | Model | Mount | Clamping range | L1 | L | D | ||||
| mm | in | mm | in | mm | in | mm | in | |||
| 082 | J0113-BZ-MT3D | MT3 | 1-13 | 0.0393-0.512 | 123 | 4.84 | 135 | 5.31 | 50 | 1.97 |
| 083 | J0116-BZ-MT3D | MT3 | 1-16 | 0.0393-0.630 | 128 | 5.03 | 140 | 5.51 | 57 | 2.24 |
• Patented chuck design for drilling and tapping applications. Drill Chuck Arbor Series
Adjustable-Torque Drill Chuck Arbors
Adjustable torque.
Overload protection helps protect the tap and cutting tool.
03 Selected materials support extended service life.
04 Precision manufacturing for accurate toolholding.
Adjustable-Torque, Overload-Protection Drill Chuck Arbors
☆Adjustable torque setting.
☆Overloadprotection helps prevent damage to taps and drilling tools.
Heat-treated materials provide durability and wear resistance.
Precision manufacturing supports accurate toolholding.
| No. | Model | MT.No.S | B&JT NO.S | D | D1 | D2 | L | L1 | |||||
| mm in | mm | in | mm | in | mm | in | mm | in | mm | in | |||
| 084 | MT3-B16 | MT3 | B16 | 53 | 2.09 | 23.825 | 0.94 | 15.733 | 0.62 | 182 | 7.16 | 98 | 3.86 |
| 085 | MT3-B18 | MT3 | B18 | 53 | 2.09 | 23.825 | 0.94 | 17.78 | 0.7 | 188 | 7.40 | 98 | 3.86 |
| 086 | MT3-JT33 | MT3 | JT33 | 53 | 2.09 | 23.825 | 0.94 | 15.85 | 0.62 | 183 | 7.20 | 98 | 3.86 |
| 087 | MT3-JT6 | MT3 | JT6 | 53 | 2.09 | 23.825 | 0.94 | 17.17 | 0.68 | 183 | 7.20 | 98 | 3.86 |
| 088 | MT4-B16 | MT4 | B16 | 57 | 2.24 | 31.267 | 1.23 | 15.733 | 0.62 | 210 | 8.27 | 123 | 4.84 |
| 089 | MT4-B18 | MT4 | B18 | 57 | 2.24 | 31.267 | 1.23 | 17.78 | 0.7 | 216 | 8.5 | 123 | 4.84 |
| 090 | MT4-JT33 | MT4 | JT33 | 57 | 2.24 | 31.267 | 1.23 | 15.85 | 0.62 | 211 | 8.31 | 123 | 4.84 |
| 091 | MT4-JT6 | MT4 | JT6 | 57 | 2.24 | 31.267 | 1.23 | 17.17 | 0.68 | 211 | 8.31 | 123 | 4.84 |
| 092 | MT5-B16 | MT5 | B16 | 57 | 2.24 | 44.399 | 1.75 | 15.733 | 0.62 | 234 | 9.21 | 156 | 6.14 |
| 093 | MT5-B18 | MT5 | B18 | 57 | 2.24 | 44.399 | 1.75 | 17.78 | 0.7 | 240 | 9.45 | 156 | 6.14 |
| 094 | MT5-JT33 | MT5 | JT33 | 57 | 2.24 | 44.399 | 1.75 | 15.85 | 0.62 | 235 | 9.25 | 156 | 6.14 |
| 095 | MT5-JT6 | MT5 | JT6 | 57 | 2.24 | 44.399 | 1.75 | 17.17 | 0.68 | 235 | 9.25 | 156 | 6.14 |
Tang-Type Morse Taper Drill Chuck Arbors with Ejector Nut
☆Manufactured from high-strength steel and heat treated for wear resistance.
☆Connects the machine spindle or reducing sleeve to a compatible female-taper drill chuck.
☆The ejector nut simplifies chuck removal and helps protect the internal taper.
☆Shank contact area exceeds 85% when verified by a contact-pattern test.
☆Patent No. ZL 2019 2 1630626.2.
| No | Model | D | d | L | M | |||
| mm | in | mm | in | mm | in | |||
| 096 | MT0-B6 | 9.045 | 0.356 | 6.35 | 0.250 | 93 | 3.661 | M8X1 |
| 097 | MT0-B10 | 9.045 | 0.356 | 10.094 | 0.397 | 98 | 3.858 | M12X1.5 |
| 098 | MT0-B12 | 9.045 | 0.356 | 12.065 | 0.475 | 102 | 4.016 | M14X1.5 |
| 099 | MT0-B16 | 9.045 | 0.356 | 15.733 | 0.619 | 109 | 4.291 | M18X1.5 |
| 100 | MT0-B18 | 9.045 | 0.356 | 17.78 | 0.700 | 117 | 4.606 | M20X1.5 |
| 101 | MT0-B22 | 9.045 | 0.356 | 21.793 | 0.858 | 126 | 4.961 | M24X1.5 |
| 102 | MT0-B24 | 9.045 | 0.356 | 23.825 | 0.938 | 136 | 5.354 | M26X1.5 |
| 103 | MT0-JT0 | 9.045 | 0.356 | 6.35 | 0.250 | 91 | 3.583 | M8X1 |
| 104 | MT0-JT3 | 9.045 | 0.356 | 20.599 | 0.811 | 111 | 4.370 | M24X1.5 |
| 105 | MT0-JT33 | 9.045 | 0.356 | 15.85 | 0.624 | 106 | 4.173 | M18X1.5 |
| 106 | MT1-B10 | 12.065 | 0.475 | 10.094 | 0.397 | 104 | 4.094 | M12X1.5 |
| 107 | MT1-B12 | 12.065 | 0.475 | 12.065 | 0.475 | 108 | 4.252 | M14X1.5 |
| 108 | MT1-B16 | 12.065 | 0.475 | 15.733 | 0.619 | 115 | 4.528 | M18X1.5 |
| 109 | MT1-B18 | 12.065 | 0.475 | 17.78 | 0.700 | 123 | 4.843 | M20X1.5 |
| 110 | MT1-B22 | 12.065 | 0.475 | 21.793 | 0.858 | 132 | 5.197 | M24X1.5 |
| 111 | MT1-B24 | 12.065 | 0.475 | 23.825 | 0.938 | 142 | 5.591 | M26X1.5 |
| 112 | MT1-JT0 | 12.065 | 0.475 | 6.35 | 0.250 | 97 | 3.819 | M8X1 |
| 113 | MT1-JT1 | 12.065 | 0.475 | 9.754 | 0.384 | 103 | 4.055 | M12X1.5 |
| 114 | MT1-JT2 | 12.065 | 0.475 | 14.199 | 0.559 | 108 | 4.252 | M16X1.5 |
| 115 | MT1-JT3 | 12.065 | 0.475 | 20.599 | 0.811 | 117 | 4.606 | M24X1.5 |
| 116 | MT1-JT6 | 12.065 | 0.475 | 17.17 | 0.676 | 112 | 4.409 | M20X1.5 |
| 117 | MT1-JT33 | 12.065 | 0.475 | 15.85 | 0.624 | 112 | 4.409 | M18X1.5 |
| 118 | MT2-B10 | 17.78 | 0.700 | 10.094 | 0.397 | 119 | 4.685 | M12X1.5 |
| 119 | MT2-B12 | 17.78 | 0.700 | 12.065 | 0.475 | 123 | 4.843 | M14X1.5 |
| 120 | MT2-B16 | 17.78 | 0.700 | 15.733 | 0.619 | 130 | 5.118 | M18X1.5 |
| 121 | MT2-B18 | 17.78 | 0.700 | 17.78 | 0.700 | 138 | 5.433 | M20X1.5 |
| 122 | MT2-B22 | 17.78 | 0.700 | 21.793 | 0.858 | 146 | 5.748 | M24X1.5 |
| 123 | MT2-B24 | 17.78 | 0.700 | 23.825 | 0.938 | 156 | 6.142 | M26X1.5 |
| 124 | MT2-JT0 | 17.78 | 0.700 | 6.35 | 0.250 | 112 | 4.409 | M8X1 |
| 125 | MT2-JT1 | 17.78 | 0.700 | 9.754 | 0.384 | 118 | 4.646 | M12X1.5 |
| 126 | MT2-JT2 | 17.78 | 0.700 | 14.199 | 0.559 | 123 | 4.843 | M16X1.5 |
| 127 | MT2-JT3 | 17.78 | 0.700 | 20.599 | 0.811 | 132 | 5.197 | M24X1.5 |
| 128 | MT2-JT6 | 17.78 | 0.700 | 17.17 | 0.676 | 126 | 4.961 | M20X1.5 |
| 129 | MT2-JT33 | 17.78 | 0.700 | 15.85 | 0.624 | 126 | 4.961 | M18X1.5 |
| 130 | MT3-B10 | 23.825 | 0.938 | 10.094 | 0.397 | 138 | 5.433 | M12X1.5 |
| 131 | MT3-B12 | 23.825 | 0.938 | 12.065 | 0.475 | 142 | 5.591 | M14X1.5 |
| 132 | MT3-B16 | 23.825 | 0.938 | 15.733 | 0.619 | 149 | 5.866 | M18X1.5 |
| 133 | MT3-B18 | 23.825 | 0.938 | 17.78 | 0.700 | 157 | 6.181 | M20X1.5 |
| 134 | MT3-B22 | 23.825 | 0.938 | 21.793 | 0.858 | 165 | 6.496 | M24X1.5 |
| No | Model | D | d | L | M | |||
| mm | in | mm | in | mm | in | |||
| 135 | MT3-B24 | 23.825 | 0.938 | 23.825 | 0.938 | 175 | 6.890 | M26X1.5 |
| 136 | MT3-JT0 | 23.825 | 0.938 | 6.35 | 0.250 | 131 | 5.157 | M8X1 |
| 137 | MT3-JT1 | 23.825 | 0.938 | 9.754 | 0.384 | 136 | 5.354 | M12X1.5 |
| 138 | MT3-JT2 | 23.825 | 0.938 | 14.199 | 0.559 | 142 | 5.591 | M16X1.5 |
| 139 | MT3-JT3 | 23.825 | 0.938 | 20.599 | 0.811 | 151 | 5.945 | M24X1.5 |
| 140 | MT3-JT6 | 23.825 | 0.938 | 17.17 | 0.676 | 145 | 5.709 | M20X1.5 |
| 141 | MT3-JT33 | 23.825 | 0.938 | 15.85 | 0.624 | 145 | 5.709 | M18X1.5 |
| 142 | MT4-B10 | 31.267 | 1.231 | 10.094 | 0.397 | 163 | 6.417 | M12X1.5 |
| 143 | MT4-B12 | 31.267 | 1.231 | 12.065 | 0.475 | 167 | 6.575 | M14X1.5 |
| 144 | MT4-B16 | 31.267 | 1.231 | 15.733 | 0.619 | 174 | 6.850 | M18X1.5 |
| 145 | MT4-B18 | 31.267 | 1.231 | 17.78 | 0.700 | 182 | 7.165 | M20X1.5 |
| 146 | MT4-B22 | 31.267 | 1.231 | 21.793 | 0.858 | 190 | 7.480 | M24X1.5 |
| 147 | MT4-B24 | 31.267 | 1.231 | 23.825 | 0.938 | 200 | 7.874 | M26X1.5 |
| 148 | MT4-JT0 | 31.267 | 1.231 | 6.35 | 0.250 | 156 | 6.142 | M8X1 |
| 149 | MT4-JT1 | 31.267 | 1.231 | 9.754 | 0.384 | 161 | 6.339 | M12X1.5 |
| 150 | MT4-JT2 | 31.267 | 1.231 | 14.199 | 0.559 | 167 | 6.575 | M16X1.5 |
| 151 | MT4-JT3 | 31.267 | 1.231 | 20.599 | 0.811 | 176 | 6.929 | M24X1.5 |
| 152 | MT4-JT6 | 31.267 | 1.231 | 17.17 | 0.676 | 170 | 6.693 | M20X1.5 |
| 153 | MT4-JT33 | 31.267 | 1.231 | 15.85 | 0.624 | 170 | 6.693 | M18X1.5 |
| 154 | MT5-B10 | 44.399 | 1.748 | 10.094 | 0.397 | 195 | 7.677 | M12X1.5 |
| 155 | MT5-B12 | 44.399 | 1.748 | 12.065 | 0.475 | 199 | 7.835 | M14X1.5 |
| 156 | MT5-B16 | 44.399 | 1.748 | 15.733 | 0.619 | 206 | 8.110 | M18X1.5 |
| 157 | MT5-B18 | 44.399 | 1.748 | 17.78 | 0.700 | 214 | 8.425 | M20X1.5 |
| 158 | MT5-B22 | 44.399 | 1.748 | 21.793 | 0.858 | 222 | 8.740 | M24X1.5 |
| 159 | MT5-B24 | 44.399 | 1.748 | 23.825 | 0.938 | 232 | 9.134 | M26X1.5 |
| 160 | MT5-JT3 | 44.399 | 1.748 | 20.599 | 0.811 | 208 | 8.189 | M24X1.5 |
| 161 | MT5-JT6 | 44.399 | 1.748 | 17.17 | 0.676 | 202 | 7.953 | M20X1.5 |
| 162 | MT5-JT33 | 44.399 | 1.748 | 15.85 | 0.624 | 202 | 7.953 | M18X1.5 |
| 163 | MT6-B16 | 63.348 | 2.494 | 15.733 | 0.619 | 268 | 10.551 | M18X1.5 |
| 164 | MT6-B18 | 63.348 | 2.494 | 17.78 | 0.700 | 276 | 10.866 | M20X1.5 |
| 165 | MT6-B22 | 63.348 | 2.494 | 21.793 | 0.858 | 284 | 11.181 | M24X1.5 |
| 166 | MT6-B24 | 63.348 | 2.494 | 23.825 | 0.938 | 294 | 11.575 | M26X1.5 |
| 167 | MT6-JT3 | 63.348 | 2.494 | 20.599 | 0.811 | 270 | 10.630 | M24X1.5 |
| 168 | MT6-JT6 | 63.348 | 2.494 | 17.17 | 0.676 | 264 | 10.394 | M20X1.5 |
| 169 | MT6-JT33 | 63.348 | 2.494 | 15.85 | 0.624 | 264 | 10.394 | M18X1.5 |
Technical Data - Toolholder Interfaces
BT Technical Date
JIS B 6339 / MAS 403 BT
BT4040 handles
BT5050 handles
BT6060 handles
DAT Technical Date
DIN 69871-A/ GB 10944
DAT4040 handles
DAT5050 handles
DAT4545 handles
CAT Technical Date
CAT4040 handles
CAT50 50handles
CAT6060 handles
NT Technical Date
DIN 2080 / applicable GB standard
NT40 40 handles
NT50 50 handles
NT60 60 handles
Morse Taper Dimensions - DIN 228
MTA Tang-Type Morse Taper Shank - DIN 228-A
| No. | Taper NO. | MTAO | MTA1 | MTA2 | MTA3 | MTA4 | MTA5 | MTA6 | MTA7 |
| 170 | D(mm) | 9.045 | 12.065 | 17.780 | 23.825 | 31.267 | 44.399 | 63.348 | 83.058 |
| 171 | D1(mm) | 9.201 | 12.240 | 18.030 | 24.076 | 31.605 | 44.741 | 65.765 | 83.578 |
| 172 | d1(mm) | 6.104 | 8.972 | 14.034 | 19.107 | 25.164 | 36.531 | 52.399 | 68.185 |
| 173 | d2(mm) | 6 | 8.7 | 13.5 | 18.5 | 24.5 | 35.7 | 51.0 | 66.8 |
| 174 | L1(mm) | 56.5 | 62.0 | 75.0 | 94.0 | 117.5 | 149.5 | 210.0 | 286.0 |
| 175 | L2(mm) | 59.5 | 65.5 | 80.0 | 99.0 | 124.0 | 156.0 | 218.0 | 296.0 |
| 176 | b(mm) | 3.9 | 5.2 | 6.3 | 7.9 | 11.9 | 15.9 | 19.0 | 28.6 |
| 177 | c(mm) | 6.5 | 8.5 | 10.0 | 13.0 | 16.0 | 19.0 | 27.0 | 35.0 |
| 178 | e(mm) | 10.5 | 13.5 | 16.0 | 20.0 | 24.0 | 29.0 | 40.0 | 54.0 |
| 179 | R(mm) | 4 | 5 | 6 | 7 | 8 | 10 | 13 | 19 |
| 180 | r(mm) | 1 | 1.2 | 1.6 | 2 | 2.5 | 3 | 4 | 5 |
| No. | Taper NO. | MTA0 | MTA1 | MTA2 | MTA3 | MTA4 | MTA5 | MTA6 | MTA7 |
| 181 | D(mm) | 9.045 | 12.065 | 17.780 | 23.825 | 23.825 | 44.399 | 63.348 | 83.058 |
| 182 | D1(mm) | 9.201 | 12.240 | 18.030 | 24.076 | 24.076 | 44.741 | 65.765 | 83.578 |
| 183 | d(mm) | 6.442 | 9.396 | 14.583 | 19.759 | 19.759 | 37.584 | 53.859 | 70.052 |
| 184 | d1(mm) | 6 | 9 | 14 | 19 | 19 | 35.7 | 51 | 65 |
| 185 | L1(mm) | 50 | 53.5 | 64 | 81 | 81 | 129.5 | 182 | 250 |
| 186 | L2(mm) | 53 | 57 | 69 | 86 | 86 | 136 | 190 | 260 |
| 187 | t(mm) | 4 | 5 | 5 | 7 | 7 | 9 | 12 | 18.5 |
| 188 | r(mm) | 0.2 | 0.2 | 0.2 | 0.6 | 0.6 | 2.5 | 4.0 | 5.0 |
| 189 | d2(mm) | - | M6 | M10 | M12 | M12 | M20 | M24 | M33 |
| 190 | k(mm) | = | 16 | 24 | 28 | 28 | 40 | 50 | 60 |
| No. | Taper NO. | MTAO | MTA1 | MTA2 | MTA3 | MTA4 | MTA5 | MTA6 | MTA7 |
| 191 | D(mm) | 9.045 | 12.065 | 17.780 | 23.825 | 31.267 | 44.399 | 63.348 | 83.058 |
| 192 | L1(mm) | 52 | 56 | 67 | 84 | 107 | 135 | 188 | 258 |
| 193 | L2(mm) | 49 | 52 | 62 | 78 | 98 | 125 | 177 | 241 |
| 194 | g(mm) | 4.1 | 5.4 | 6.6 | 8.2 | 12.2 | 16.2 | 19.3 | 28.8 |
| 195 | h(mm) | 15 | 19 | 22 | 27 | 32 | 38 | 47 | 69 |
| 196 | z(mm) | 1 | 1 | 1 | 1 | 1.5 | 1.5 | 2 | 2 |
| 197 | a°(mm) | 1°29'27" | 1°25'43″ | 1°25'50″ | 1°26'16″ | 1°29'15″ | 1°30'26″ | 1°29'36″ | 1°29'22″ |
GB/T6090-2003/IS0239:1999
| No. | Morse taper NO. | B6 | B10 | B12 | B16 | B18 | B22 | B24 | |
| 198 | D(mm) | 6.35 | 10.094 | 12.065 | 15.733 | 17.78 | 21.793 | 23.825 | |
| 199 | D1(mm) | 6.5 | 10.3 | 12.2 | 16 | 18 | 22 | 24.1 | |
| 200 | d(mm) | 5.85 | 9.4 | 11.1 | 14.5 | 16.2 | 19.8 | 21.3 | |
| 201 | d1(mm) | 6.5 | 9.8 | 11.5 | 15 | 16.8 | 20.5 | 22 | |
| 202 | L1(mm) | 10 | 14.5 | 18.5 | 24 | 32 | 40.5 | 50.5 | |
| 203 | amax(mm) | 3 | 3.5 | 3.5 | 5 | 5 | 5 | 5 | |
| 204 | b(mm) | 3 | 3.5 | 3.5 | 4 | 4 | 4.5 | 4.5 | |
| 205 | c(mm) | 0.5 | 1 | 1 | 1.5 | 1.5 | 2 | 2 | |
| 206 | Taper(mm) | Mas.No | 1 | 1 | 1 | 2 | 2 | 3 | 3 |
| Tsper Value | 0.05 | 0.04988 | 0.04988 | 0.04995 | 0.04995 | 0.0502 | 0.0502 | ||
Jacobs Taper Type (JT)
| No. | Jagger taper NO. | JTO | JT1 | JT2 | JT33 | JT6 | JT3 |
| 207 | D(mm) | 6.35 | 9.754 | 14.199 | 15.85 | 17.17 | 20.599 |
| 208 | d(mm) | 5.802 | 8.459 | 12.386 | 14.237 | 15.852 | 18.951 |
| 209 | L1(mm) | 11.112 | 16.669 | 22.225 | 25.4 | 25.4 | 30.956 |
| 210 | Taper (mm) | 0.04923 | 0.07709 | 0.08155 | 0.0635 | 0.05191 | 0.05325 |
Company Profile
Founded by Lambert Leou in December 2021, FODBITS Precision Technology Co., Ltd. markets FODBITS self-tightening tapping and drilling chucks worldwide.
FODBITS products are developed and manufactured by Weihai Dawang Machinery Technology Co., Ltd., founded by Lambert Leou in China in 2007.
Since 2010, the company's R&D team has focused on high-performance self-tightening chucks with greater gripping force, drilling-and-tapping capability, tool-free operation, and extended service life.
The resulting patented designs are available in markets including China, the United States, Europe, Japan, and Russia.
Manufacturing and Quality
Dawang operates more than 30 advanced CNC machines and precision inspection systems from internationally recognized suppliers, including Hardinge and Tsugami.
◆Its engineering and technical-management teams provide responsive application support.
Production is managed through an ERP system, and the company achieved ISO 9001 quality-management certification in 2021.
Ongoing R&D focuses on reliable, cost-effective products that improve productivity and expand machining capability.
Fodbits Precision Technology Co., Ltd.
The Chuck Roud-shank Holemaking Tools Waited 123 years For Where Tool and Chuck Become One.
They Were Made for Each Other.
A drill bit can perform only as well as the chuck that holds it. FODBITS was developed to address familiar shop-floor problems: tool slippage, repeated retightening, limited application range, short service life, and slow tool changes. Beginning in 2010, Lambert Leou and the Weihai Dawang R&D team challenged conventional chuck design. After years of testing and multiple prototypes, the team developed a chuck that combines secure gripping, hand release, bidirectional operation, and a wider working range. The result is designed to reduce interruptions, protect tools and workpieces, and give operators greater confidence.
The Problem Every Machinist Knows
The machine is running. The deadline is getting closer. Then the tool slips.
Work stops. The operator retightens the chuck and starts again, hoping the next cut will hold. Sometimes it does. Sometimes the tool slips again - marking the shank, wearing the jaws, damaging the workpiece, and turning productive machine time into scrap and rework.
For more than a century, shops have treated these interruptions as part of the job. We believed the people doing the work deserved better.
An Outsider Takes On a Century-Old Challenge
In July 2010, Mr. Lambert Leou and a small R&D team at Weihai Dawang Machinery Technology Co., Ltd. in Weihai, China, set out to address six persistent limitations of conventional drill chucks: insufficient gripping force, slipping under load, complicated operation, limited applications, short service life, and slow closing and release.
The team entered the field without an established reputation in the drill-chuck industry. That was a disadvantage - but it also gave them freedom. They were not tied to conventional assumptions. Every mechanism could be questioned, and every mechanical principle could be tested.
The work was harder than anyone expected. Designs failed. Prototypes failed. Money and time were committedagain and again. Four times, the project came close to ending. Each time, the team returned to one more drawing, one more principle, and one more test. Their faith gave meaning to the struggle and helped them keep moving when success still seemed far away.
The Last Piece
On July 17, 2019, the four-person team solved the final technical challenge: a retention mechanism that allowed a self-tightening chuck to operate reliably in reverse. The core design was finally complete - built to support drilling and tapping, secure gripping, hand release, and a wider working range.
But a successful prototype only proves that an idea can work. The real question was whether it could make a difference in a customer's shop.
Seven Prototypes. Seven Production Shops.
The team sent seven early samples to seven customers machining different materials. The first response arrived the next day.
"I did not know a drill chuck could work like this. It held a 30 mm drill without slipping, but I could still release it by hand. No special release tool. Then we used it with an M24 tap. It held that, too - and still released by hand.'
The customer immediately asked about regional distribution. More feedback followed, including strong responses from shops working with demanding materials such as stainless steel. After years of uncertainty, the team finally had the proof that mattered most: results from people using the product in real production.
The Birth of Miss Fodbits
In our brand story, the drill bit and the chuck have always been partners. Mr. Drill Bit knows what he can do, but he needs a holder that will not stand in his way. Miss Fodbits was created to be that partner: secure when the work gets demanding, versatile enough for drilling and tapping, and simple enough to clamp and release by hand.
The playful romance between Mr. Drill Bit and Miss Fodbits expresses a serious engineering truth: neither a cutting tool nor a holder delivers its full value alone. When the right partners come together, they protect the work, the machine, the operator's time, and each other.
Why We Named It FODBITS®
FODBITS® stands for Fortune Of Drill Bits — Intelligent Toolholding Soulmate. The name reflects a simple promise: to become the dependable partner a drill bit needs and the productive partner a workshop can trust.
Mr. Lambert Leou founded Fodbits Precision Technology Co., Ltd. on December 3, 2021, in Vancouver, Canada, to introduce, sell, and support this internationally patented technology for customers and partners around the world.
Every FODBITS® chuck carries the memory of that journey: More than a Decade of Perseverance, four near endings, seven anxious field tests, and one conviction that slipping, stopping, and starting over should not have to be accepted as part of the job
发明专利证书
发明名称：钻夹头
发明人：柳尧亭
专利号：ZL2013 8 0075200.7
专利申请日：2013年05月30日
专 利权人：威海达旺五金制品有限责任公司
授权公告日：2017年02月15日
本发明经过本局依照中华人民典和蹈专制法进行审费，决定旋予专利拟，颁发本证书并在专利登记薄上予以登记，专剩权自提祝公备之目起重做。
本专利的专利权期限为二十年，自中请日起算，专利权人应台依照专利法及其实施细时故定缴纳年费，本专利的年费应当在每年05月30日前缴助。永按照规定服的年费的。专利权由应当缴纳界费期满之日起终止。
专利证每记载专利祝登记时的法律欣画，专利权的特移、质押、无效、终止，旗复和专利权人的姓名成名称，国籍，鲍址资更等事项记载在专利登记筹上。
证书号第2126304号
发明专利证书
发明名称：钴夹头
发明人：柳尧亭：于作迹
↓利号：Z1. 2012 8 0074170.3
专利申请日：2012年07月17日
专利权人：威细达旺五金制品有限责任公司
授权公告日：20165年06月29目
本发项经过本药依照中华人民共和国专利法通指审查，决定授予专利权，颁发本证书并在专利登记薄上平以登记，专利织自教权公备之用越生政.
券专利的专利权期限为二十年，自中请日起算，专利机人应当依照专利法及其实施细则规定缴均单费，本专利时率费础当在每导07月17日前缴的。未按照现定缴纳典费的。专利叔自应当缴纳亭费期满之日起终止。
专利证书记航专利权登证睡耐法律状况，专利枫的特移、质押、无效、终止、技复和专利权人的姓名或态存，国箱，地址交更等事项记飘在专利营记蹲上。
局长 申上雨 申长雨
证书号第2902133号
发明专利证书
发畴名称：止温装置及具有止退装置的自紧估夹头
发明人：相尧亭：徐本钢
利号：ZL 2016 1 0784114.9
专利申请日：2016年08月31日
发明名称：白蟹自馈钻夹头
发明人：柳尧亭;陈润
专利权人：柳尧卒
发 明名称：一种新式自紧钻夹头
地 址：264200 山东省威海市环翠区年亭镇北小城村
发明人：柳尧亭：于庆通
↓ 利 号：ZI.2013 1 0807283. X
本专利的专利祝期限为二十年、自中请日起算。专利权人应当依照专利渔及其实施细刚现定缴纳年费。本专利时年费应杏在每年8月31日前缴纳。未按照混定缴助年费的，专利机自应当缴纳年费期漏之日矩终止。
专利证书记载专利积登记时的法律铁况、专别权的特移、质押、无线，终止，张复和专利机人的姓名成名称、国簿、地法交类等事项记载在专利登记得上。
授权公告日：2018年04月27日 授权公告号：CN 106180777 B
本度明经过本局依照中华人民共和国专利法进行审查，决定拨于专利权，顺束本证部并在专利登记簿上予以登记，专剩权自授概公告之日起生照。
专利号：ZL 2011 1 0260884.0
发明专利证书
联申雨
专利申诺日：2013年07月19日
专利申请日：2011年09月02日
第1頁(1)
专 利权 人：威海运旺五金制品有限责任公司
授权公告目：2015年09月02日
基直明经过本局做照中华人民具和国专利渔进行审查，海定教予专利权。颁度本识市开在专刑整记薄上寻以登记，专利织自授权公告之日起生故。
专利权人：威海达旺五金制晶有酸责任公司
基专利的专利批期限为二十年、自申请用起算，专利机人应当依照专利油及其实施细则现定缴纳年费。春专利的年费应当在每兽09月22日前缴纳，未按照现定缴的平费的。专利机自应当旗纳鸟费期满之日起塔止。
专利证书记载备利织登记时的法律换况、专利权的物移、质押、光效、终止、披复和专到就人的姓息或笔称、国籍、地纻炎炎等事项记提在专利登记薄上。
发明专利证书
授权公告日：2016年02月17日
本发项征过本局依理中条人医品和国音利法进行审查。决定投于专利权，顺发本证书哥直专刷登记落上予以登记，专利机自授拟企告之目越量效。
本专利的专利权期限为二十年，自中请日题算。专利拟人应当依照专利渔及其实施细则现定照纳年费，本专利的平费应当在每年07月19日前缴纳，表按照既定联纳年费的。专利就自庄您缴纳年费南满之日起终止。
专利证售记载专利机登记时的法律质况，专利祝码辑移、覆部、无效。终止，张复和专利批人的姓名或名作、国篇、地址交更等事项纪载在专利登记簿上。
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FODBITS®
Self-Tightening Tapping and Drill Chucks
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FODBITS®
FODBITS Precision Technology Co., Ltd.
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