Bolts:10.9/12.9 Class, minimum tensile strength 170,000 psi. Nuts:M12-M33 , ... to clients’ drawings or samples.Machanism Capability: Bolts:10.9/12.9 Class, minimum tensile strength 170,000 psi.Nuts:M12-M33 ... below: 5144980,205-32-21210,110-32-11411,203-32-21210,110-32-11410,116-32-11220,110-32-11411,201-32-11210 ... -32-11211,4247132. Manufacturer wheel bolts/ forging Auto Fasteners/10.9/12.9