... 2)Size:M3-M76 3)Material:Steel,Stainless steel The Flat Washer 1) Standard: DIN, BS, IFI, JIS, ... : 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 ... washers, 80% of our products are exported to oversea. DIN435 flat washer