... .Standard:DIN,JIS,ANSI 3Material:Carbon steel.Stainless steel Professional supply stainless steel fasteners1.Nuts: Hex nut(DIN934,ISO4032,DIN439,DIN936 ... nut(DIN9626,DIN EN1663), Flange nut(DIN6923,JIS1190,IFI D-21), Square nut(DIN557), Square weld nut(DIN928,JIS1196), Hex weld ... , ANSI, BS and the un-standard as well, we can supply Hex head bolts, hex nuts, nylon lock nuts, screws, tapping ...