1. Self-drilling screws have various names. They’re often called metal screws, sheet metal screws, tapping screws, or tapper screws.
2. Their tips come in different shapes: drill tail, pointed (like a pencil), blunt, or flat, and they are described as thread-forming, thread-cutting, or thread rolling. If the screw is pointed, it will be thread-cutting – tapping and creating threads in a pre-drilled hole. If the tip is flat, it is thread-rolling – rolling or extruding threads and creating zero clearance between screw and material.
3. This fillister pan framing head self drilling screws is using for fastening light gauge steel. And it is reliable if used properly.
4. They are cheap compared to other means of joining.
5. Easily disassembled.
6. It doesn’t require pre-moulded threads.
7. Good impact and vibration resistance.
8. No curing time or settling time to achieve full strength.
9. No special tool required.