Jacobs G8640 - 0-17/64" x JT1 High Torque / High Precision Keyless Drill Chuck

Made for high-accuracy applications, such as CNC machining, these precision chucks are certified to .0016 T.I.R. or better. Chucks feature self-tightening construction, which automatically increases tightening force proportionately to increased torque. All components are hardened to maintain accuracy under demanding professional use. Versatile Jacobs® Taper permits use with a wide variety of tools.

Specifications:

• 0 - 17/64", JT #1, Hi Torq