TYPE AB POINT - Galvanized pole barn screws designed to attach long-life roof and siding panels in pre-engineered metal building applications or wood-framed buildings. ZXL NO RED RUST HEX HEAD - 5/16" Cupped HWH with a molded ZAMAC Zinc-Aluminum alloy provides manufacturer lifetime protection against red rust on the head and washer. INSTALLATION TYPE - #14 Carbon steel fasteners designed to be attached to steel roofing and siding in post-frame and residential applications. RESCUE SCREW - Used in retrofit applications in which existing screws have been stripped/backed out and need to be replaced with a larger diameter. EPDM WASHER - The head and washer face captures the washer even when driven at an angle and is designed to maximize pull over strength. Secure your metal roofing and siding projects with #14 x 1-1/2" ZXL Tapping Woodbinder Metal Roofing Screws, the trusted choice for post-frame and residential applications. These high-performance fasteners are engineered for long-lasting durability, exceptional weather resistance, and a seamless installation process. Made with a self-tapping design, these screws eliminate the need for pre-drilling, allowing for efficient installation into wood substrates. Their 2.5 mils of powder coating resist chalking and fading, thanks to UV inhibitors in all colored coatings. The ZAMAC 5 Zinc-Aluminum Alloy Head provides lifetime protection against red rust on the head and washer, ensuring long-term durability. An EPDM rubber washer is vulcanized to a steel washer, forming an excellent seal even when driven at an angle, ensuring leak-proof performance.