M12-M33 ,10 Class, Hardness: HRC26-36, fully hardened and tempered to match bolt strength Products:Ourproducts including Wheel Bolt & Nut, Truck Bolt & Nut, Hub Bolt & Nut, Plow Bolt & Nut, Track Pin & Bushing, King Pin Kits,covering Hino, Mitsubishi Fuso, Benz, Volvo, Nissan, Suzuki, etc.We also make special Forging components according to clients’ drawings or samples.Machanism Capability: Bolts ...