1 1 4 fine thread drywall screws

The rise of self-drilling screws has also spurred innovation in the construction and engineering industry, leading to the development of new building techniques and designs. With the ability to quickly and securely fasten materials, builders and engineers are empowered to explore more ambitious projects and push the boundaries of traditional construction methods. This has led to the creation of more resilient and sustainable structures that can withstand the test of time.

...

The functionality of metal expansion nuts centers around the principle of mechanical expansion. Upon the application of torque, the screw or bolt is threaded into the nut, which, in turn, causes the nut to expand outward. This outward expansion presses the sides of the nut against the inner walls of the hole it occupies, creating a tight fit. The added friction and mechanical grip prevent the nut from loosening over time, even in dynamic conditions.


...