[#17 Replacement Screws] - Use to replace old, cracked, or backed-out screws. - Recommended for installation in existing or pre-drilled screw holes. [Multiple Options] - 1" and 1.5" lengths available. - 250 Screws Per Bag. [In-Stock and Ready to Ship] - All #17 screws are stocked in Zinc/Unpainted. - Perfect for Galvanized and Galvalume Roofing Panels. [High-Quality] - Made from premium Carbon Steel with a Zinc/Aluminum Allow to last for years to come. - EPDM washer seals properly, even when driven at an angle. [Easy to Install] - Can be installed by anyone, regardless of experience. - All orders include a free 5/16" Hex Driver. - Sharp drill edges consistently cut the metal, eliminating slow or dropped screws and pigtails that can embed themselves in the rubber washer. #17 Metal Building Screws are the perfect replacement screw for old and backed-out screws. The oversized diameter grips new material and seals pre-drilled holes with ease. With a 5/16" hex head and an EPDM washer, our #17 Metal Building Screws will seal even when driven at an angle. The sharp point pierces wood fibers, and the thread style is perfect for light gauge metal in a pre-drilled hole.