4. Resistance to Corrosion Many metal expansion nuts are available in corrosion-resistant materials, such as stainless steel or coated metals, which are ideal for outdoor or humid environments.

Metal expansion nuts are essential fastening components widely utilized in various engineering and construction applications. Designed to accommodate the natural expansion and contraction of materials due to temperature changes, these nuts offer a reliable solution for maintaining the integrity of connections in environments where traditional fastening methods may falter.

The process of galvanization involves coating the steel screw with a layer of zinc to protect it from rust and deterioration. This makes self-drilling galvanized screws particularly suited for applications in construction, roofing, and outdoor furniture, where exposure to moisture and other environmental conditions is prevalent.

- Automotive They are frequently employed in automotive applications for assembling panels and components, thanks to their strength and reliability.