When working with piping systems, hydraulic fittings, or pneumatic connections, understanding different thread types is crucial. Among the most common are NPT, BSPP, BSPT, ZG, R, and RC threads, each with unique characteristics and applications. This guide explores their differences, standards, and where they are used to help you make the right selection.
Different countries use different threads, for example, North America use NPT thread , South America and Europe use BSPP and BSPT thread , Japan use JIS thread , Germany use ISO thread and so on .