Bolts:10.9/12.9 Class, minimum tensile strength 170,000 psi. ... Hardness: HRC26-36, Products:Our products including Wheel Bolt & Nut, Truck Bolt & Nut, Hub Bolt & Nut, Plow Bolt & Nut, ... clients’ drawings or samples.Machanism Capability: Bolts:10.9/12.9 Class, minimum tensile strength 170,000 psi.Nuts: ... 51120,4323872,135-32-11211,4247132 manufacture forged bolts/Truck bolt for Hino, Mitsubishi,volvo