Screw Gauges, Measuring Tools, Ring Gauges, Screw Ring Gauges
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Screw Ring Gauges
● Made of bearing steel GCr15, HRC58-62
● Typically used to check the external threads of products and used in pairs
● The Go thread gauge must enter and pass through the full-threaded length
of the product freely and the No Go thread gauge should never fit into the product
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