1.Item:DIN127B double coil spring lock washer 2.Finish:galvanized,nickeled,etc., ... steel,Carbon steel DESCRIPTION:Item:DIN127B double coil spring lock washer1.Standard:ANSI/ASME, DIN, BS, IFI, ... is ok.SPECIFICATION: Item:DIN127B double coil spring lock washer Size: M6-M22 Material: Carbon steel,stainless ... to your requirement.SERVICE:(1)Specialty:Good quality control which is managed by our QC.(2)We ...