SH/T 3404-2013
Petrochemical hex bolts with full thread
SH/T 3404-1996
Fasteners for pipe flanges—Hexagon head bolts
SH/T 3404-1996
Fasteners for pipe flanges—Double end studs
SH/T 3404-1996
Fasteners for pipe flanges—Hexagon nuts with type I
SH/T 3404-1996
Fasteners for pipe flanges—Hexagon nuts with type II