... hex bolt(DIN931,DIN933, DIN601, DIN558, GA/T5780-GB/T5783, JISB1180, ANSI/ASME B18.2.1,B.S.W916) ,high strength bolts stud bolt, U bolt ... , T bolt, carriage bolt(DIN603), threaded rod(DIN975), anchor bolt(DIN529,IFI136, GB/T799), square head bolts, expansion bolt(ANSI,BS ...