A self-drilling screw-making machine is a specialized equipment that is designed to produce self-drilling screws, which are screws that can penetrate into metal or other hard substrates without drilling a pilot hole first.
Self-Drilling Screws are also known as Tek Screws. Tek Screws are self drilling sheet metal screws or teks with a drill point tip at the end of the screw.But what is the most important thing?
