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1. Head shape: with an outer hexagonal head, easy to use tools to tighten and disassemble.

2. Flange structure: there is a flange under the bolt head, which increases the contact area with the connecting surface, and can provide better fastening effect and stability.

3. Bearing capacity: Usually has a high bearing capacity, suitable for connections that need to withstand greater tension or pressure.

4. Widely used: Often used in machinery manufacturing, automobiles, construction and other fields, used to connect various parts and structures.

5. Easy installation: It is relatively easy to install and disassemble, and can be reused.

6. Sealing performance: the flange part can play a certain sealing role in some cases. Because of its structural characteristics and performance advantages, outer hexagon flange bolts play an important role in many industrial and engineering applications to ensure the reliability and safety of connections.