Self-drilling screw, are highly versatile and are used to attach metal, wood, fiberglass, and plastic. The sharp threads draw material together and ensure a secure hold. The point on a self-drilling screw is designed to efficiently remove material and precisely size the hole for the thread. The length of the drill flute determines the metal thickness that can be drilled. Due to their need to drill and tap into various materials, the standard self-drilling screw is a case hardened heat-treated carbon steel.
