Combo Studs Durable High tensile strength Resistant to rust and corrosion Size Range Grade Standard Diameter(Inch) Diameter(mm) 5/16″ TO 3-1/2″ 12MM TO 72MM B7, L7, 8.8, 10.9 DIN, IS, ISO, ASTM, ANSI, BS Finish / Coating NATURAL, BLACK, ZINC, HOT DIP, CADMIUM, NICKLE Get Quote