100 Pack Galvanized #12 x 7/8 Inch Self-Tapping Screws with Washer - Heavy Duty for Metal Roofing, Shed Kits, Fencing & DIY Projects - Corrosion Resistant Fasteners for Outdoor Construction

100 pack of Rite Farm Products galvanized #12 x 7/8" self-tapping screws with washer for roofing panels. Heavy duty watertight panel screw has a hidden neoprene rubber washer to avoid direct sunlight and last longer than the cheaper exposed washer variety. Used for our stall panel system kits metal roofing R-Panels.