#12 PEWTER GRAY x 2-1/2 inch Sheet Metal Roofing Screws 250 Count-Re-Grip Screws designed to replace screws or nails that have failed, loose and cannot be tightened-These screws should be used when replacing smaller nails or screws in roofing or siding projects-PEWTER GRAY coated roof screw head is painted to closely match many brands of metal roofing-The color on the roof screw heads is painted with a two part polyurethane for longer product life-Galvanized Coating has passed the 1,000 hour salt spray corrosion test without failures-Screws have a 1/4 Inch Hex Screw Head and ~5/8" diameter EPDM washer to seal screws to roofing panel-Self-starting roofing screws help take the headache out of sheet metal roof and siding installation-Use on any metal roofing or siding project where 2-1/2 inch roofing screws are needed-For installing roofing on a house, porch, airplane hangar, shed, pole barn, shop, barn or lean-to-Rough Estimation - regular roofing project should require 80 screws per 10 x 10 section of roofing Please keep in mind when choosing the best screw color to match your roofing that differences in computer screens, in sheet metal roofing production and roofing screw production, the color you order and the color of your roofing may vary to some degreeONLY screw head is painted to ensure EPDM washer seals to metal roof. NO paint on the threads to maximize holding strength. When Installing these screws we recommend using screw-gun with torque control or a depth sensing feature. Impact tools are not recommended.