1. Self-Locking Mechanism One of the standout features of metal expansion nuts is their ability to lock into place without additional locking devices. This self-locking characteristic significantly enhances the safety and durability of applications.

Conclusion

Self-drilling screws are a valuable addition to any toolkit, particularly when working with thick steel. Their ease of use, time-saving qualities, and strong fastening capabilities make them a go-to option for professionals in various industries. By understanding their advantages and applications, you can ensure that your projects are completed efficiently and effectively. Whether in construction, manufacturing, or automotive work, self-drilling screws are an essential component that can enhance productivity and reliability.