... Flat Washers1.Material:low carbon steel,mild steel, medium steel, stainless steel of 304,316,316L,65Mn, etc.2.Standard:DIN125,DIN9021 ... : poly bag, gunny bag, carton, pallet, small box and bulk.flat washer, plain washer, round washer, spuare washer, metal washer, steel washer, iron washer,bowl washer, Gl washer.Part photos