
Inch Thread Go/No-Go Plug and Ring Gauge
51-xxxxxxx Series, 56-xxxxxxx Series, 66-xxxxxxx Series
Experience unparalleled accuracy in your quality control with our premium thread plug gauge and ring gauge. Expertly crafted from durable materials, these high-precision gauges are designed to meticulously verify the pitch diameter and tolerance of both internal and external screw threads in mechanical components. Perfect for workshops, manufacturing, and engineering labs, each gauge ensures reliable measurements and optimal performance. Available in a range of sizes to suit your specific applications. Invest in precision and elevate your production standards with this essential tool.


Individual serial number on each gauge
Hardness HRC 60±2
American unified inch thread according to ANSI B 1.1
Customized dimension and tolerance are available
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