GB/T 902.2-2010
Threaded studs for drawn arc stud welding with ceramic ferrule-ID type internal screw stud
GB/T 902.3-2008
Weld studs for capacitor discharge welding-type IT
GB/T 902.4-2010
Threaded studs with flange and stud with internal thread for short-drawn arc stud welding--IS type deep internal screw stud
GB/T 902.4-2010
Threaded studs with flange and stud with internal thread for short-drawn arc stud welding--IS type shallowly internal screw stud
GB/T 13681.2-2010
Hexagon weld nuts with flange
GB/T 13680-1992
Square weld nuts-type A
GB/T 13680-1992
Square weld nuts-type B
GB/T 13681-1992
Hexagon weld nuts
ISO 13918-1998
Welding-Studs and ceramic ferrules for arc stud welding-Types IT-Stud with internal thread
ISO 21670-2004
Weld hexagon nuts with flange
DIN 928-2008
Square weld nuts
DIN 929-2000
Hexagon weld nuts
BS 7670-1-1993
Metric square nuts for resistance projection welding-Table 3
BS 7670-1-1993
Unified screw square nuts for resistance projection welding-Table 3
BS 7670-1-4-1993
Metric hex nuts for resistance projection welding-Table 4
BS 7670-1-4-1993
Unified screw hex nuts for resistance projection welding-Table 4
DIN 928-2008
Inch big square weld nuts(big on edge)
DIN 928-2008
Inch square weld nuts
DIN 929-2000
Inch big hexagon weld nuts(big on edge)
DIN 929-2000
Inch hexagon weld nuts