Jacobs 30527 Drill Chuck

Description

Precision Tested and Certified to .0016" T.I.R. Maximum at Half Capacity. For Use on Cnc Machining Centers in Drilling, Boring, Counter-Boring and Milling Operations Requiring Heavy Penetration. Furnished with Spanner Wrench to Allow the Application of Supplementary Gripping Torque. Light Tightening Increases Gripping Torque Up to 3 Times Higher Than Hand Tightening. Resists Tool Loosening on High-Speed Machines with Right Hand Rotation and Instant Spindle Stop. 2Js Mount is A Short Taper.