1. Metric thread gauge from M0.9×0.225 ,accuracy 6H, 5H, 6G; 6g, 6h, left tooth multi-head teeth before plating gauge +0.03 pre-plating ring gauge -0.03
2. US-made unified thread gauges from No.0 – 80UNF ,accuracy 2B, 3B, 2A, 3A (UNC, UNF, UNE, UN, UNS, etc.);
The US system has another NPT, NPTF, NPSM, ACME, STUB ACME, BUTT, etc.
3.Inch gauges from 1/8 – 40BSW from BSW, BSF;
Inch with G, RC/R, PT, BA
4.Threaded sheath (wire threaded) plug gauge ST (aviation standard)
Thread ring gauge wear gauge TS, ZS
5.Oil Pipe Series Gauge API
6.Other gauges: Pg, V1, V2, SM
7.Thread positioning gauge (thread vertical gauge, thread gauge): metric, US
8.Glossy ring gauge The ring gauge for inspection is available from Ф2 ~ Ф150 commonly used integers
9.Glossy plug gauges are always stocked with integer H7 and can be customized.