JACOBS
36B 3/4" HEAVY DUTY PLAIN BEARING DRILL CHUCK
CAP: 0.18 - 0.80
MOUNT: 3/4-16
KEYED
Jacobs thread mounted chucks feature jaws center-ground for absolute straightness and alignment and a one-piece sleeve that eliminates cracks between driving teeth often found in other designs. Jacobs thread mounted chucks feature 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.