findmall 2-3-4 Blocks Matched Pair 23 Holes (2"x3"x4") 234 Precision Ground Machinist Set Up Blocks .0003" HRC 55-62

2-3-4 Machinist set up blocks

Feature:

Precision ground and case hardened to RC 55-62 on all six sides.

23 each 3/8 inch through holes (5 tapped with 3/8"-16 threads and 18 untapped).

Precision:

2-3-4 Blocks Matched Pair

Overall size is within +/- .0002".

Flatness and parallelism are within .0002".

Squareness on all sides to within 0.0002".

Pairs are matched to a tolerance of 0.0002".

Package includes:

2 x 2-3-4 Machinist set up blocks