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Bit Shank Size
Manufacturer Model Number
For Use With
Machine Taper Number
Manufacturer
Drill Chuck Mount Type
Arbor Included
Chuck Type
Jacobs Taper Drive Type
For Holding
Arbor Required
Body Material
DFARS Specialty Metals
Export Control Classification Number (ECCN)
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For Tool Drive Direction
Extra-Grip Jacobs Taper-Mount Keyless Drill Chucks


Jacobs Taper Mount
Use the included spanner wrench to tighten the chuck for up to three times the gripping torque of hand tightening. These chucks grip tighter as torque increases, which prevents tool-shank slippage and allows for precise drilling. They require an arbor (sold separately).
For Bit Shank Size | Jacobs Taper | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Inch | mm | Number | Drive Type | Body Material | Jaw Material | Max. No-Load Speed, rpm | Manufacturer Model Number | Each | |
Jacobs | |||||||||
| 0"-0.255" | 0-6.5 | 1 | Standard | Steel | Steel | 10,000 | JKT 65-J1 | 28305A59 | 0000000 |

























