1. Fastening connection: Carbon steel hexagonal bolts are usually used to connect and fix two or more components. They provide a strong connection by inserting bolts through holes and tightening them with nuts, ensuring a secure connection between components.

2. Load transmission: Carbon steel hexagonal bolts play an important load transmission function in mechanical devices and structures. They can withstand static and dynamic loads and distribute forces to various parts of the connected components, ensuring the stability and safety of the device or structure.

3. Adjustment and adjustment: Because carbon steel hexagonal bolts have the ability to be tightened and loosened, they can be used to adjust and adjust the position, angle, and spacing of a device or structure. This makes them very useful during assembly and repair processes.

4. Anti-loosening: Carbon steel hexagonal bolts are usually anti-loosening, which means they can resist vibration and external forces, preventing the bolt from loosening on its own. This is important in applications where tightness needs to be maintained for long periods of time.

Carbon steel hexagonal bolts play an important role in the engineering and manufacturing fields. They provide reliable connection and adjustment functions, ensuring the stability and safety of devices and structures.