Bolts Suppliers in Qingdao, China

A bolt is a type of threaded hardware fastener that is used to position two workpieces in specific relation to each other. A bolt is specifically designed to be used with a mating, internally threaded hole or nut, which will maintain the bolt's alignment as well as the material's position on the bolt. While used synonymously, screws and bolts are not mechanical clones. (more)