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18N Ball Bearing Drill Chuck

18N Ball Bearing Drill Chuck

Regular price $74.04 USD
Regular price $346.70 USD Sale price $74.04 USD
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Jacob's Super Chuck Ball Bearing Drill Chuck is specifically engineered for heavy-duty, close tolerance production drilling. It is adaptable to a wide range of production drilling equipment, jig borers, milling machines, lathes and radials. Utilizing a ball thrust bearing to reduce friction in the chuck closing mechanism, it permits the application of more gripping force on drill shanks to maximize drilling torque under the most demanding machining conditions.

Ball bearing construction maximizes gripping force and drilling accuracy
Jaws center ground for straightness and alignment
1-piece sleeve eliminates crack between driving teeth often found in other designs
Through-hardened sleeve teeth plus hardened nose and keyholes provide outstanding wear resistance
Fluted sleeve standard
Each chuck 100% inspected for performance and precision
T.I.R. 0.003 in. maximum at half capacity
Chuck key included
0.75 in. maximum capacity
0.125 in. minimum capacity
4JT taper mount
Uses key # K4

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