630-4050 Round Space Block Set

36 pc Round Space Block Set

Features include...

For quickly setting stops and set ups in lathes, milling machines, drill presses, etc. Also excellent for setting sine bars.
Each block marked for size. Overall diameter: 0.750".
1/4"-28 threaded hole through center of block.
Working surfaces hardened to RC 58-60.
Working surfaces precision ground and lapped to +0.00010".
4 connecting screws supplied to form desired length.
Furnished in fitted plastic case.

Blocks included in set...