ASME B16.5, BS 4882, DIN 975, 976, GOST 22042-76
ASTM A193/A320 - B6, B7, B7M, L7, L7M, B16, L43, B8, B8M, B8T, B8C, B8R, B8S, ASTM A453, A286 - 660A, 660B, 660C, 660D, UNS S32760 / ASTM A182 F55, Alloy 718, Alloy 625, Alloy 925, MONEL 400, MONEL 500, DUPLEX, SUPERDUPLEX, ASTM F467, ASTM 468, Кл.пр. 4.8, 8.8, 10.9, 12.9
Is a type of fastener using to interconnect fittings having smooth or threaded holes. The fastener is a threaded stud at the ends, besides that the pin can be full threaded. The design and dimensions of the studs are standardized.