... ,stainless steel; standard: DIN ANSI JIS ASTM; MOQ:500 black spring washers Brand Namesun-alpsStandard ModelDIN ANSI JIS ASTMFINISHBlack,Zinc Plated ... GALVANIZED,Cr Cu or Ni PlatedMaterialCarbon Steel,Brass, Stainless steel,Spring steelMaterial Class4.8 6.0 8.8 12.9gradeProduct sizeM3 ... carton with palletsDelivery Lead Time30-45days high strength din127 black spring washers