The SPK is a six compartment kit that contains six different sizes of metal piercing screws. Sharpeez Screws are manufactured with sharp points used to pierce thin sheet metal and are capable of making their own mating threads. They are manufactured with a 1/4'' hex head designed to resist stripping and are commonly used for sheet metal applications, HVAC work, plumbing, and electrical.
Features:- Piercing Point, Makes own Mating Threads