Gauge blocks (also known as gage blocks, Johansson gauges, slip gauges, or Jo blocks) are precision ground and lapped.
Grade 2 or (A) is suitable for Inspection
Tolerance +0.00015 mm to -0.00005 mm) used as toolroom standards for setting other gauging tools
Gauge Blocks
1 piece 0.5mm
1 piece 1.0mm
1 piece 1.005mm
49 pieces 1.01, to 1.49mm by 0.01mm increments
5 pieces 1.5, to 1.9mm by 0.1 increments
16 pieces 2.0 to 9.5mm by 0.5 increments
10 pieces 10.0 to 100.0mm by 10mm increments
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