We have many standards GO NO GO thread gauges in stock, including Metric, United inch, BSPP, BSPT, NPT, NPSM, etc. A go-no-go gauge is an integral part of the quality process in manufacturing that ensures that parts can be interchanged between processes and between manufacturers. Usually, clients can receive goods taking 3-5 days. We send goods using the fastest express, such as DHL, FedEx, etc.