High Strength carbon steel Hexagon socket head cap bolt 

The outer edge of the head of an internal hexagonal bolt is circular, while the center is a concave hexagonal shape. The more common type is a cylindrical head internal hexagonal, as well as pan head internal hexagonal, countersunk head internal hexagonal, flat head internal hexagonal. Headless screws, stop screws, machine screws, etc. are called headless internal hexagonal. Of course, hexagonal bolts can also be made into hexagonal flange bolts to increase the contact area of the head. In order to control the friction coefficient of the bolt head or improve the anti loosening performance, it can also be made into hexagonal combination bolts

In daily assembly, the wrench shape used for hexagon socket bolts is an "L" shape, with one side long and the other short, and the other side short to tighten the screws. Holding the long side by hand can save effort and better tighten the screws. Some assemblies require matching with corresponding tightening sleeves, and the sleeves of hexagonal bolts are convex hexagonal.

Hexagon bolts/screws: easy to tighten; Not easy to disassemble; Non slip angle; Small space occupied; The load it bears is relatively large; It can be buried in the head for processing and can sink into the interior of the workpiece, making it more exquisite and aesthetically pleasing without interfering with other components.

The connection of interior components is a visible area for customers, usually with aesthetic requirements. A countersunk head structure is required, and the top of the bolt head must be kept in a plane with the connected component structure. Alternatively, a layer of cover must be added outside, and the tightening axial force and torque at such positions are also small. Therefore, it is very suitable to use hexagonal bolts or screws for tightening.

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