Jacobs 8859C 32BA Heavy Duty Plain Bearing Keyed Chuck 1.0 to 0.0 Millimeter Capacity with 1/2- Inch 20 Threaded Mount by Jacobs Chuck

Description

Heavy duty models for threaded mounting; T.I.R. 0.004-Inch maximum at half capacity;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-Percent inspected for performance and precision