Hillman Hex Washer Head Sheet Metal Screw, 12 x 1/2 are highly versatile screws designed for attaching metal, wood, fiberglass, and plastic materials securely. Featuring sharp threads that draw materials tightly together, these sheet metal screws ensure a strong and reliable hold. Fully threaded with a sharp point, they are i for various fastening applications where durability and precision are needed. Model Number: