Pro-Twist Construction Fasteners are engineered for professional-grade use in commercial, industrial and residential applications. Whether the job involves drywall, steel framing, mobile home construction, electrical or plumbing work, plastering or metal roofing, Pro-Twist has the optimal fastener for every situation. The Grip-Rite Pro-Twist No. 12 Size X 3/4 in. L Hex Hex Washer Head Sheet Metal Screw is a versatile and durable screw that is perfect for a variety of applications. The unique hex head design allows for easy driving and the washer head provides a secure grip. The sharp point penetrates easily and the wide threads provide a strong hold. These screws are perfect for attaching sheet metal to wood or metal surfaces.