jacobs 32283c 41ba-3/8-inch chuck 0.04-in.~0.375-inch capacity medium duty plain bearing keyed chuck with 1/2-inch 20 threade

Jaws center-ground for absolute straightness and alignment | One-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 | Each chuck 100% inspected for performance and precision | T.I.R. .004" Maximum at half capacity

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