Description:

8"/210mm 3-JAW Adjustable Structure SELF-CENTERING CHUCK & 1-1/2”-8 Adapter

8" - 3 JAWS  Self-Centering precision adjustable structure chuck , 8"/210mm

Industrial part# : K31-210A

Short cylindrical center mounting.

Centering accuracy can be improved by adjusting the holding structure to meet very precision machining.

TOP QUALITY.

AMERICAN STANDARD.

TWO PCS TONGUE AND GROOVE REVERSIBLE HARDENED top & bottom JAWS.

Back mounting recess dia: 120mm

63mm thru hole diameter

190.5mm bolt circle diameter

With 1-1/2”-8 threads semi-finished adapter. This adapter thickness 1-1/2” is perfect to be modified to fit adjustable chuck’s deeper recess area. You can cut the adapter recess diameter on your own lathe to get much better TIR accuracy.