ASME BS CNS DIN EN GB GOST SAE ISO JIS KS NF Self-Clinching YJT

[M] Metric [UN] UNC/UNF/UNEF/UNR/UNRC/UNRF/UNS/... [MJ/UNJ] MJ/UNJ threads [NPT] American National Standard Taper Pipe Thread [NPS] American National Standard Straight Pipe Thread [R] [Rc] [Rp] [R1] 55°Pipe Threads where Pressure-Tight Joints are made on the threads [G] 55°Pipe Threads where Pressure-Tight Joints are not made on the threads