Timco's zinc self-drilling hex screws with EPDM washers for roofing (5.5x25mm) - no pre-drilling required (100pc pack).
The Timco Self-Drilling Screws feature a robust hex head design, perfect for joining roofing sheets to light section steel (max 5.0mm thickness) without pre-drilling. Made from case & core hardened carbon steel with a zinc finish, these screws offer excellent durability and corrosion resistance.
Each screw comes with an integral EPDM washer, ensuring a weatherproof seal and reducing the risk of leaks when fixing roofing materials. The No.3 self-drilling point creates clean, precise holes while maintaining structural integrity.
These high-performance screws are ideal for roofing applications where speed and reliability are essential. Their design allows for quick installation while maintaining excellent grip and resistance to loosening under vibration.
Free standard shipping on U.S. mainland orders. Express shipping options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For defective items, contact us within 14 days for a replacement or refund.
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