... Washer1) Standard: DIN, BS, IFI, JIS, ISO,GB,ANSI,ASME,Non-Standard2) Size: M3–M763) Material: Carbon Steel, Alloy Steel, Stainless ... Galvanizing.etc.5) Shape: round , square , curved , taper, cup, bowl or according to your request.6) Surface Condition: remove all burs ... ) Packing: Carton, Box, Bag, Pallet or according to your request.8) For non-standard parts, samples or drawings are avaliable for us.9 ...