Earl Diamond Super Heavy Duty 1/32″-5/8″ Drill Chuck with R8 Shank Adapter Precision Integrated Keyless Drill Chuck (B18)-Fast Shipping

Description

Material: 40CR, hardness HRC60.

Bit holding capacity: Clamping Capacity 3/64″-5/8″; Shank R8.

R8 shank: Suitable for drill presses or lathes spindle accepts R8 shank.

Maximum T. I. R. does not exceed . 002″; Keyless, self tightening design.

Design: Self-tightening key-less feature automatically increasing gripping force, high reliability, and stability.