Large hexagon bolt of steel structure
Steel structure bolt is a kind of high-strength bolt and a kind of standard part. Steel structure bolts are mainly used in steel structure engineering to connect connection points of steel structure plates. Large hexagonal high-strength bolts belong to the high-strength grade of common screws. The hexagonal head will be larger. The big six-angle structural bolt consists of a bolt, a nut and two washers. Generally 10.9.