... )Size:M3-M76 3)Material:Steel,Stainless steel Stainless steel flat washer:1) Standard: DIN, BS, IFI, JIS, ISO,GB,ANSI ... ) Size: M3–M763) Material: Carbon Steel, Alloy Steel, Stainless Steel, Brass, Aluminum, etc. 4) Finish: Zinc Clear, Zinc Yellow, Black, Nickel ...