Choose nut/bolt from wheel hub base seat

Now there are three kinds of wheel hub base seat, cone seat, sphere seat and flat seat. We should choose right nut and bolt according to different wheel hub base seat. If we choose wrong one, such as choose ball seat nut for cone seat wheel, the joint part will not fit and then damage the appearance of wheel hub, affecting the strength of hub and traffic safety.
About nut/bolt from original factory, each country could use different nut/ bolt for the same car. In China, Volkswagen and Benz use more sphere bolts, and Toyota use flat nuts. In other country, Volkswagen use more cone bolts and Toyota use cone nuts. So when clients buy nuts/ bolts, you should know the nuts/ bolts in your country. Then buy the right ones. www.wheelnutcn.com