screw expansion anchor

Nuts are used alongside bolts to secure components together. The nut’s internal threads allow it to fit onto the bolt’s shaft, creating a tight connection when tightened. There are several types of nuts, including hex nuts, lock nuts, and wing nuts. Lock nuts are designed to resist loosening under vibration, making them well-suited for applications in dynamic environments. Wing nuts, with their unique design, can be easily tightened or loosened by hand, making them useful in situations where frequent adjustments are necessary.


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The key feature of long self-drilling screws lies in their unique. Unlike conventional screws, they possess a sharp point and a series of cutting edges that cut through material like a drill bit. This makes them ideal for use in a wide range of materials, from wood to metal, plastic, and even composite materials. Their length, often extending beyond the standard size, enables them to penetrate deeper into substrates, providing superior holding power and structural integrity.

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