... ,ANSI,BS,JIS,GB 2)Size:M3-M76 3)Material:Steel,Stainless steel The Flat Washer 1) Standard: DIN, BS, IFI, JIS, ISO,GB,ANSI ... ,ASME,Non-Standard2) Size: M3–M763) Material: Carbon Steel, Alloy Steel, Stainless Steel, Brass, Aluminum ... washers, 80% of our products are exported to oversea. DIN435 flat washer