... , 1.name:flat washer 2.material:carbon steel , stainless steel , FLAT WASHER,SPRING WASHER,PLAIN WASHER,STAINLESS STEEL WASHER,GALVANIZED WASHER, ... DIN9021,DIN440,DIN436,F436,DIN127,1.name:flat washer2.material:carbon steel , stainless steel ,3.size:all size4.surface: zinc ... and many other hardware products made of carbon steel, alloy & stainless steel, aluminum, brass or other special materials. For ...