Spring washers Features: 1) Plain,zinc,hot galv.black,stainless. 2) Can be made of low carbon steel and high tensil spring ... ,ANSI,BSW,AS,JS,ISO,ETC.stype Flat washer and spring washerfinish bright,zinc plated,hot-dip galvanized,mechanical plated ... the industry Our presence: ElectronicsHome & Industrial AppliancesIndustrial Tools and MachineriesAutomotiveMedical EquipmentsMilitary Spring washers