Self-tapping screws are usually drilled into pre-made holes (pilot holes) in metals, such as zinc, aluminum, and bronze and its alloys, as well as plastics and resin-impregnated plywood. They create ...
The basic tapping screws are classified as thread forming and thread cutting. Thread-forming tapping screws displace the material adjacent to the pilot hole so it flows around the screw threads.
The screws should make their own threads. Just think of a tap and die set. The tap makes the threads into a hole, the die makes the threads onto a screw or bolt.....I ...
It seems like there are a million ways to attach stuff to your car. You can use adhesives, rivet nuts, bolts or if you're some type of savage, there are zip-ties. Self-tapping screws also get used a ...