Jacobs High Torque/High Precision Model Chuck Description: Jacobs high torque/high precision model chucks are precision tested and certified to 0.0016” T.I.R max at half capacity. For use on CNC machining centers in drilling, boring, counter-boring and milling operations requiring heavy penetration. The Jacobs high torque/high precision model chuck is furnished with a spanner wrench to allow the application of supplementary gripping torque. Light tightening increases gripping torque up to 3 times higher than hand tightening. The Jacobs high torque/high precision model chuck resists tool loosening on high-speed machines.

Technical Specifications: Model Number: JKT65-J1 Minimum Capacity: 0.000” Maximum Capacity: 0.255” Mount: 1JT Closed Length: 2.76” Open Length: 2.44” Sleeve Diameter: 1.28” UPC: 95456311220