HSFG Nuts Durable High tensile strength Resistant to rust and corrosion Size Range Grade Standard Diameter(Inch) Diameter(mm) 1/2″ To 1-1/2″ 12mm To 36mm 4 , 6, 8, 10, 12 DIN, IS, ISO, ASTM, ANSI, BS Finish / Coating NATURAL, BLACK, ZINC, HOT DIP, CADMIUM, NICKLE Get Quote