waltyotur 2-3-4 Blocks Matched Pair 23 Holes 2 3 4 Blocks .0003 Precision Ground Machinist Set Up Blocks HRC 55-62
$60.00
Description
Accuracy and squareness on all sides within 0.0003..23 through holes (5 tapped 3/8-16 TPI and 18 plain)..Matched pair 2-3-4 blocks includes 2 blocks..Overall size is within +/- .0003; Flatness and parallelism within .0003..Made of precision-grade tool steel hardened and ground on all 6 sides of block, heat treated and case hardened to HRC 57-62.
