Ss Hex Nut And Hex Head Bolt

Screw is a common invention in people's production and life for thousands of years. According to the application field, it is the first invention of mankind. The inner hexagonal screws and outer hexagonal bolts are different in appearance, one is a cylindrical head and the other is a hexagonal head. The hexagon socket head screw takes up less space, and the hexagon socket head screw can be countersinked during installation, and it is installed in a deep position without being exposed, reducing the overall size, beautiful in appearance, and not hindering other components. The installation and fastening of the outer hexagon requires a large space, and it rotates radially, while the inner hexagon can rotate axially, and the contact area is also larger than that of the inner hexagon screw. The inner hexagon is suitable for places where disassembly is frequent or where the space is limited, and its head is harder than the head of the outer hexagon bolt. Socket head cap screws Although the…