1) Standard: DIN, BS, IFI, JIS, ISO,GB,ANSI 2) Size: M3-M76 3) Type:flat,plain,square,cup washer 4)High quality and ... low price 1) Standard: DIN, BS, IFI, JIS, ISO,GB,ANSI,ASME ... edges.7) Packing: Carton, Box, Bag, Pallet or according to your request.8) For non-standard parts, samples or drawings are avaliable ...