Specificationshex bolt Main products Hex head boltDIN931,DIN933,DIN960,DIN961,ISO4014,ISO4017Heavy hex boltDIN6914,DIN7990,ASTM A325,ASTM A490Hex nutDIN934,DIN6915,ASTM A194 2H,ASTM A563WasherDIN125,DIN127,DIN6916,ASTM F436Stud boltDIN975,ASTM A193 B7StandardDIN, ISO, ANSI, ASME, BS, AS, JIS and non-standards ApplicationBuilding, instrument,..