... 4.Material:Carbon steel,stainless steel5.Mainmarket:U.S.A,UnitedKingdom,Canada,Turkey,Saudi Arabia,Australia,Korea,Japan.Singapore ... Quantity is ok.SPECIFICATION: Item:DIN127B double coil spring lock washer Size: M6-M22 Material: Carbon steel,stainless steel ... : galvanized,nickel plated,black coating,etc., Mainmarket: .S.A,UnitedKingdom,Canada,Turkey,Saudi Arabia,Australia,Korea,Japan.Singapore,south ...