... Item:DIN127B double coil spring lock washer 2.Finish:galvanized,nickeled,etc., 3.Material:stainless ... /ASME, DIN, BS, IFI, JIS ISO, GB,etc.,2.Finish:galvanized,nickel plated,black coating,etc.,3.Size ... Standard: ANSI/ASME, DIN, BS, IFI, JIS ISO, GB,etc., Finish: galvanized,nickel plated,black coating,etc., Mainmarket ... quality control which is managed by our QC.(2)We accept order according to your samples ...