Get versatile performance for a range of fastening projects with these Precision self-drilling metal screws. Made of high-quality steel, the screws have been heat treated and zinc coated to provide greater strength, durability and rust resistance. The square-drive pan head provides great torque and fastening performance. With their self-drilling point and mating threads, the metal screws penetrate material smoothly and efficiently without the need for pre-drilling pilot holes. They are a perfect choice for use in steel, plastics, composite materials, wood and various laminates.