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. Looking for a hex head sheet metal screw that will grip the material tight? Look no further than Grip-Rite Pro-Twist No. 10 Sizes X 1 in. L Hex Hex Head Sheet Metal Screws. These screws are specifically designed to grip the material tightly, making them the perfect choice for a variety of applications.