Thread data - metric, unified, ACME and others
NPS pressure tight straight pipe threads with lubricant or sealer.
NPT and NPTF pipe threads - dimensions according ANSI/ASME B1.20.1/3.
Acme trapezoidal threads.
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.
EN 10241 specifies requirements for screw threaded fittings.
Requirements for thread form, dimensions, tolerances and designation for fastening pipe threads, thread sizes.
Metric threads spark plugs according ISO 28741.
Dimensions of ISO metric trapezoidal screw threads.
Pressure-tight joints made on the pipe threads.
Dimensions of metric threads according ISO 724.
Recommended clearance holes and drill tap sizes.
NPT - Briggs Standard Pipe threads - Taps and Drill Sizes.
Applied threaded standards used for piping connections.
Piping thread standards.
ANSI/ASME B1.1 Unified National Thread - UNC Coarse series and UNF Fine series.
BSPP (G) - British Standard Pipe Parallel and BSPT (R/Rp) – British Standard Tapered Pipe for pipes and tapered threads - G/R/Rp.
Taps and drill sizes used for Whitworth - ISO 7 and ISO 228 threads.