Hillman 10 X 1 In. Self Piercing Sheeter (Polebarn Screw) screws are highly versatile fasteners designed for attaching metal, wood, fiberglass, and plastic materials securely. These sheet metal screws, also known as tapping screws, feature sharp threads that effectively draw materials together, ensuring a strong and reliable hold. Fully threaded with a sharp point, they provide excellent performance for various fastening needs. Model Number: