Detailed Product Description hardened beveled washerDiameters: 1/2" - 1"Grade: USS/SAE/ASTM F844/ASTM F436Finish:Plain,ZP, Black and hot-dip galvanizedProduct material: Carbon Steel, Alloy Steel, Stainless Steel, Copper, Nylon, Plastic, etc.Product surface treatment: Zinc Clear, Zinc Yellow, Zinc Black, Tin-plating, Nickel-plating, Dacromet, Mechanical Galvanizing, Hot-dip Galvanizing, Dye ...