E81 Imperial Slip Gauges Grade 1 Inspection

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E81 Imperial Slip Gauges / Gauge Blocks Grade 1 Inspection

Features

Made from special steel having a high carbon and chrome content.
Stress relieved and heat treated to 63RC.
Mirror-polished surface finish provides exceptional wringing
All blocks conform to BS EN ISO3650 1999

Number of blocks : 81

49 blocks 0.101 - 0.149 in 0.001 steps
9 blocks 1.1-1.9 in 0.1mm steps
19 blocks 0.05 - 0.95 in 0.05 steps
4 blocks 1 - 4 in 1" steps

Part Number 321-81-1