HSFG Washers Durable High tensile strength Resistant to rust and corrosion Size Range Grade Standard Diameter(Inch) Diameter(mm) 1/2″ TO 2-1/2″ 12MM TO 64MM MS, HIGH TENSILE ISO, DIN, BS, ASTM Finish / Coating NATURAL, BLACK, ZINC, HOT DIP, CADMIUM, NICKLE Get Quote