The 1-inch Gasket Washer with EPDM rubber coating is designed to spread sealing pressure around Washer Head Screws, ensuring a secure fit and watertight seal. Constructed from neo-bonded galvanized steel, it offers enhanced corrosion resistance, making it durable for long-term use in outdoor installations. Perfect for fastening the center of large polycarbonate panels (such as 4' x 8' and 4' x 10'), the washer accommodates panel expansion and contraction while distributing pressure to prevent damage. Available in convenient packs of 25, 50, or 100 to fit projects of any size. Specifications Diameter: 1 inMaterial: Neo-bonded galvanized steel washer with EPDM rubber gasketPack Size: 25, 50, 100Screw Compatibility: Designed for #8-#14 Washer Head Screws (sold separately)Seal Performance: Watertight on smooth surfaces
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