Hardened steel screw with a 1/4 In. hex head drive for quick, no slip installation. For attaching metal roofing and siding to wood framing. The long life finish on the colored screw is a 3 step process beginning with a galvanized plating and then an oxy seal is applied to protect the screw and the various metal surfaces from metallurgic reaction. The final coating (except for the galvanized screw) is the paint itself, color match finish. Preassembled with Neoprene washer for a weather tight seal. Seals the hole that is driven.
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