1.Item:DIN127B double coil spring lock washer 2.Finish:galvanized,nickeled,etc., 3.Material:stainless steel,Carbon steel DESCRIPTION:Item:DIN127B double coil spring lock washer1.Standard:ANSI/ASME, DIN, BS, IFI, JIS ISO, GB,etc.,2.Finish:galvanized,nickel plated,black coating,etc.,3.Size: M6-M22 4.Material:Carbon steel,stainless steel5.Mainmarket:U.S.A,UnitedKingdom,Canada,Turkey,Saudi Arabia, ...