Bolts:10.9/12.9 Class, minimum tensile strength ... -M33 ,10 Class, Hardness: HRC26-36, Products:Our products including Wheel Bolt & Nut, Truck Bolt & Nut, Hub Bolt & Nut, ... components according to clients’ drawings or samples.Machanism Capability: Bolts:10.9/12.9 Class, minimum tensile strength 170,000 ... 205-32-51120,4323872,135-32-11211,4247132. Manufacturer wheel bolts/ forging Auto Fasteners/10.9/12.9