Thread plug gauges and thread ring gauges for parallel threads and taper threads. Hardened removable ends, marked with pitch diameters. In stock for Metric gauges, UNC, UNF, UNEF, UNJF, UNS, BSP, BSPT, NPT, PG. Unlisted special thread gauges available. Custom manufacture on request.

Buying a Thread Gauge?
Need UKAS Certificate?
Go to Products/Thread Gauge Certificate, Select the Product to suit the Gauge, Add Name required on Certificate