... : Hexagon head screws: DIN931, DIN933, DIN601, ISO4014, ISO4017, ISO4016), Hexagon socket cap screws, (DIN912, ISO4762), carriage bolts, (DIN603, DIN604, DIN605), Lifting ... series: Flat washer(DIN125, DIN6921, SO7089), Spring Washer, (DIN127), Hexagon socket set screws(DIN913, DIN914, DIN915, DIN916, DIN551, DIN906, ISO4026, SIO4027, ISO4028 ...