We are a professional thread gauges supplier in China, we have more than ten years? experience on this business,

we are very flexible, clients?s any thread caliber problem, we can give a perfect solution.

We can provide thread ring gauges, thread plug gauges and plain gauges etc , both go and nogo gauge available,  we also can provide just go one.

Our thread gauges include BSP, BSPT,Metric,NPT, NPTF, UN, UNC, UNF, UNEF, UNS and ACME etc. We have a big warehouse,