Oudtinx 1-2-3 Blocks Matched Pair Hardened Steel 23 Holes (1″x2″x3″) Set Precision Machinist Milling-Fast Shipping

Description

This matched pair of blocks is ground to tolerances of .0001″. 23 holes, 5 tapped 3/8″-16 TPI and 18 plain

Precision ground and case hardened on all six sides

Squareness of all sides is within .0002 per inch.

Used for set-up, layout and inspection jobs

Has 23 holes with 5 holes tap to 3/8-16 threads for clamping and 18 untapped holes