1)Name:Washers 2)Size:M3-M76 3)Material:Steel,Stainless steel 4)Finish:Zinc,Black,Nickel,Tin 5)ISO9001-2008 Hebei ... GB,ANSI,ASME,Non-Standard2) Size: M3–M763) Material: Carbon Steel, Alloy Steel, Stainless Steel, Brass, Aluminum, etc.4) Finish: Zinc Clear, Zinc Yellow ... dip Galvanizing.etc.5) Shape: round , square , curved , taper, cup, bowl or according to your request.6) Surface Condition: remove all ...