1. Pay attention to the type of use
There are many types of hexagonal screws, and different applications are different. In fact, the hexagon socket screw is one of the often used. Here I remind everyone that it is best to understand the hexagonal screw specification table when using it.
2. Make a difference with the hexagon socket screws
The head of the hexagon socket screw is machined into a round outer edge with a concave middle. The hexagonal screw is hexagonal. Many users confuse these two kinds of screws and cause problems in use.
