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.

The advantages of washer head machine screws extend beyond their design and material properties. Their installation versatility offers engineers and designers greater flexibility when planning projects. With the added benefit of reduced component fatigue, these screws contribute significantly to the longevity of assemblies.

Bonded fasteners consist of two main components the adhesive itself and a substrate or material that forms the bond. The adhesive is carefully engineered to provide a strong, durable connection while accommodating various materials, including metals, plastics, and composites. During the bonding process, the adhesive is applied to the surfaces of the parts to be joined, and then the parts are pressed together. The adhesive cures over time, forming a solid bond that can often surpass the strength of mechanical fasteners.