Detailed Product Description Flat washerDiameters: 1/4" - 3"Finish: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 Blackness, Copper Yellow, etc.Product intensity ...