Hillman 10 X 1-1/2 In. White Painted Head Self Piercing Sheeter Screw is a highly versatile fastener designed for attaching metal, wood, fiberglass, and plastic materials securely. These sheet metal screws, also known as tapping screws, feature sharp threads that draw materials together to ensure a strong hold. Fully threaded with a sharp point, they provide reliable fastening for various applications, making them an essential choice for both professional and DIY projects.