The ITW Brands 21400 Series 120PK #9x1 Roof Screw is designed for secure and reliable installation on roofing projects. This zinc-plated roofing screw features a sharp point for easy penetration and a durable steel construction, making it ideal for attaching metal roofing panels or tin roofs. The external hex head allows for quick and efficient driving, while the included washer helps create a tight seal to prevent leaks. With a 1 in. length and #9 gauge, this 9x1 screw is suitable for a variety of roofing applications, including use as a metal roof screw or tin roof screw. The convenient 120 pack ensures you have enough screws for bulk projects, and the packaging makes it easy to store and access. Whether you are working on a new roof installation or repairs, these roof screws provide the strength and corrosion resistance needed for long-lasting performance. Choose ITW Brands for your next roofing project and experience the reliability of a trusted name in fasteners.