Compound Gauges
1 set (1 pass gauge + 1 stop gauge) 1A precision fine tooth ring gauge UNC UNF UNS UNEF 2-56 10-32 1/4 6/15 3/8 measuring tools
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feature:
Material: GR15 bearing steel has undergone strict heat treatment, with a hardness of 58-65HRC. It is integrally formed and has high hardenability, dimensional stability and durability.
Accuracy: 1A
100%.
Thread gauge is a tool for measuring whether the internal thread size is correct.
Thread gauges below 100mm are tapered shank thread gauges.
Threaded gauges above 100 mm are double threaded gauges.
Specification:
Material: Bearing steel
Weight: 14~221g/0.5~7.8oz