1. Metal Roofing These screws are ideal for securing metal sheets, as they can penetrate the material easily and create a watertight seal, ensuring long-lasting protection against leaks.

Nail expansion anchors are fasteners that consist of a metal sleeve and a nail or shank. When installed into a pre-drilled hole, the anchor expands against the wall of the hole, creating a stronghold that keeps the anchor firmly in place. The simple design makes them suitable for a range of applications, from hanging shelves to securing heavier equipment.