Qhov (sockets).
Hom: Ua los ntawm seamless steel yeeb nkab
Hom: Ua los ntawm seamless steel yeeb nkab
Ua los ntawm welded steel yeeb nkab
Tiav: Dub, Kub-dip Galvanized, Hluav Taws Xob Gavanized
Txheem: American Standard ASTM A733
Cov yeeb nkab txheem: ASTM A53
Xov: ANSI B1.20.1
DIN Txheem DIN2982
Cov kav dej: DIN2440
Xov: DIN2999
British Standard BS EN10241 Kev Tswj Xyuas Kev Nyab Xeeb
Qauv: BS1387
Qauv: BS21
Loj: 1/8 "-6"