Basic Introduction To Hexagonal Screws

Hexagonal screws are actually called in many ways. For example, they can be called external hexagonal bolts or external hexagonal screws. It can also be called a hexagonal bolt. It all means the same thing. It's just that the personal name is different. Ordinary bolts are divided into three types: A, B, and C. The first two are refined screws, which are rarely used. Generally speaking, ordinary screws refer to C-level ordinary screws. (1) Friction-type high-strength bolts take the sliding between plate layers as the ultimate state of bearing capacity. (2) Pressure-bearing high-strength bolts take the sliding between the plates as the normal service limit state, and the connection failure as the bearing capacity limit state.