... made of low carbon steel and high tensil spring washer sizesM5 and upfeatureslow carton,high tensile,stailessstandardDIN, ... and spring washerfinish bright,zinc plated,hot-dip galvanized,mechanical plated ,nickel plated,blackwidely using forindustris,constructions,electrical, ... ElectronicsHome & Industrial AppliancesIndustrial Tools and MachineriesAutomotiveMedical EquipmentsMilitary Spring washers