... : M3-M76 3) Type:flat,plain,square,cup washer 4)High quality and low price 1) Standard: DIN, BS, IFI, JIS, ISO ... .5) Shape: round , square , curved , taper, cup, bowl or according to your request.6) Surface Condition: remove all burs and sharp ... edges.7) Packing: Carton, Box, Bag, Pallet or according to your request.8) For non-standard parts, samples or drawings ...