Description
Single Hole 1-2-3 Blocks Set ~ For precision grinding, layouts, etc. ~ Drilled hole size is .500 -.501. ~ Accuracy with squareness on all sides within .0001 per inch. ~ Hardened to RC 58-60 and ground to surface finish from 6 to 10 micron inches. ~ Overall dimensions are 1 X 2 X 3″. ~ Sold as a matched pair. For precision grinding, layouts, etc. Drilled hole size is .500 -.501. Accuracy with squareness on all sides within .0001 per inch. Hardened to RC 58-60 and ground to surface finish from 6 to 10 micron inches. Overall dimensions are 1 X 2 X 3″.
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