Compound Gauges
1 piece M28-M29 steel gauge metric fine thread gauge 6H M28 M29
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feature:
Material: The measuring head is made of GR15 bearing steel. After strict heat treatment, the hardness reaches 58-65HRC, it is formed and has good hardenability. The hexagonal handle is preferably made of solid steel, with a threaded structure for easy connection, and a matte to prevent slipping.
Accuracy: 6H/6G
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.