2Pcs 1 x 2 x 3 Inch Blocks No Holes Accuracy Blocks No Hole 123 Blocks Set Machinist Fit for Accuracy Grinding Layouts
Specification:
Size: 1 x 2 x 3 inch
Material: 40Cr steel
Hardness: 57-62 HRC
Squareness: 0.0002 inch/1 inch
Verticality:0.0002 "
Dimensional tolerance :0.0003 "
Parallelism:0.0002 "
Features:
1. Made of hardened tool steel, strong and durable
2. After heat treatment, the hardness of no hole accuracy block can reach 57-62 HRC
3. Fit for grinding, layout, accuraccy and other installation work
Package Includes:
2Pcs accuracy blocks 1 x 2 x 3 inch