Bolt series: Hexagon head screws DIN931, DIN933, DIN601, ISO4014, ISO4017, ISO4016, Hexagon socket cap screws(DIN912, ISO4762)carriage boltsDIN603, DIN604, DIN605Lifting eye boltsDIN580, DIN582, ISO3266Studs metal and Thread rods( DIN975, DIN938, DIN939, DIN940, ISO8674) ASME/ANSI B18.3.1M, ANSI/ASME B18.3.1M, DIN933-ANSI B18.2.3.1MANSI/ASME B18.3.6MANSI/ASME B18.3.3M Nut series:Hexagon Nuts, Hexagon thin Nuts(DIN934, DIN935, DIN936, DIN439, ISO4032, ISO8673, ISO4035)Hexagon flange nutsDIN6923, ISO4161, Hexagon domed cap nuts(DIN1587), Nylon Lock Nut(DIN982, DIN985, DIN986, ISO2982, ISO7040, ISO10511), Square Nuts(DIN557, DIN928, DIN929)Win Nuts(DIN315)ASME/ANSI B18.2.2 ASME/ANSI B18.2.4.1MScrews:(DIN84, DIN85, DIN963, DIN964, DIN965, DIN966, DIN7971, DIN7972, DIN7973, DIN7974, DIN7981, DIN7982, DIN7983, DIN7984, DIN7985, DIN7991, ISO7380), Wood screws(DIN7995, DIN7996, DIN571), Dry wall screws(DIN18182), Washer series:Flat washer(DIN125, DIN6921, ISO7089), Spring Washer(DIN127)Hexagon socket set screws(DIN913, DIN914, DIN915, DIN916, DIN551, DIN906, ISO4026, SIO4027, ISO4028, ISO4029, ISO4776).