These screws work well on metal, wood, plastic, and composites. The specific thread design and point type should match the material to ensure proper thread formation and holding power.
Sometimes. Harder materials like metal often require a pilot hole unless the screw has a self-drilling point. In softer materials like wood, a pilot hole may not be necessary.
Self tapping screws cut threads into the material, while self drilling screws also have a drill-like tip that removes the need for a pilot hole. Some screws combine both features.
