... -21), Square nut(DIN557), Square weld nut(DIN928,JIS1196), Hex weld nut(DIN929), Cap nut(DIN1587,JIS1183,UNI5721), Long nut ... inside the nut, word cross-hole nut.2.Bolts: Hex boltDIN933,DIN931), Hex flange nut(DIN6921), Wing bolt(DIN316). Carriage bolt( ... screw.4.Washers: Flat washer(DIN125), Spring washer(DIN127)5.Wrench: Hex socket wrench(DIN911)6.Rivet: Blind rivet Sales stainless steel screws and ...