Bison PRECISION 2-3/8" 3-Jaw STEEL Lathe Chuck 1/2-20 Atlas Thread Mount A1-8 A drawbar that passes through

A drawbar that passes through the headstock and threads into the backside of the collet is used to draw the collet up into the tapered adapter

Includes Original Jacobs Key

•Cross Test level

These pliers were bulk packed for shipping to an industrial supply and they may have small scuffs on the handles from storage

the company began by manufacturing a range of calipers

Bison PRECISION 2-3/8" 3-Jaw STEEL Lathe Chuck 1/2-20 Atlas Thread Mount A1-8 A drawbar that passes throughBison Poland Precision 2 3 8" 3 Jaw Scroll STEEL Lathe Chuck 1 2" 20 Thread Mount. Part number 3286 2. 3 8" 1 2" 20. Premium quality and rare. Includes reversible jaw set and key.