BL-123 Pair of 1" x 2" x 3" Precision Steel 1-2-3 Blocks

Description

Our Part # ALL-55500
Heat treated and case hardened to HRC 57-62. Made of precision-grade tool steel hardened and ground on all 6 sides of block
Accuracy and squareness on all sides within .0001"-.0002"
23 holes includes (5) 3/8-16 threaded holes for clamping and (18) untapped holes Cross drilling design allows for efficient use of lower weight with maximum strength, Dimensions- 1" x 2" x 3", 2.1 lbs. weight
Color:
Original version
1 Matched Pair Ultra Precision 1-2-3 Blocks 23 Holes .0001" Machinist 123 Jig