Wheel hub nuts are specialized nuts used to fix the outer wheels of vehicles.Like ordinary hexagonal nuts they also have various sizes between M12-M42. Compared with regular hexagonal nuts, wheel hub nuts are generally thicker than hexagonal standard nuts of the same specifications, and are generally fine threaded.The shape is the same as hexagonal nuts,however, there is a taper at one end of the nut.Some sedans pursue better appearance of wheel rims,the wheel hub nuts have a cover like a cap nut. Wheel nuts are usually used in conjunction with wheel hub bolts to ensure the safety and stability of the wheels. The wheel hub nut has good thread tightening performance and has undergone strict testing and inspection to ensure its tight fit with the wheel hub bolt, which is not easy to loosen or fall off. It can maintain a strong connection between the wheels and the vehicle axle, improving driving stability and safety.