|Male Thread size |
|Female Thread size |
|Major Diameter |
|Minor Female Diameter |
|R 1/16||Rp 1/16||7.723||6.490||28|
|R 1/8||Rp 1/8||9.728||8.495||28|
|R 1/4||Rp 1/4||13.157||11.341||19|
|R 3/8||Rp 3/8||16.662||14.846||19|
|R 1/2||Rp 1/2||20.955||18.489||14|
|R 3/4||Rp 3/4||26.441||23.975||14|
|R 1||Rp 1||33.249||30.111||11|
|R 2||Rp 2||59.614||56.476||11|
Thread data - metric, unified, ACME and others.
NPT and NPTF pipe threads - dimensions according ANSI/ASME B1.20.1/3.
British Brass Thread is an imperial unit based screw thread.
British Standard Cycle is a British Imperial screw thread standard.
BSPT - British Standard Pipe Taper threads & BSP or BSPF - British Standard Pipe Parallel (Straight) threads.
Pipe threads where pressure tight joints are made on the threads - Part 1: Taper external threads and parallel internal threads.
Requirements for thread form, dimensions, tolerances and designation for fastening pipe threads, thread sizes.
Pressure-tight joints made on the pipe threads.
Dimensions of metric threads according ISO 724.
Applied threaded standards used for piping connections.
Piping thread standards.
ANSI/ASME B1.1 Unified National Thread - UNC Coarse series and UNF Fine series.
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