... steel DESCRIPTION:Item:DIN127B double coil spring lock washer1.Standard:ANSI/ASME, DIN, BS, IFI, JIS ISO, GB,etc.,2.Finish:galvanized ... Order Quantity is ok.SPECIFICATION: Item:DIN127B double coil spring lock washer Size: M6-M22 Material: Carbon steel,stainless steel ... Standard: ANSI/ASME, DIN, BS, IFI, JIS ISO, GB,etc., Finish: galvanized,nickel plated,black coating,etc ...