The Sealtite Maxx Steelbinder screws represent the pinnacle of self-drilling fasteners, meticulously crafted for pole barns and pre-engineered metal buildings. Their purpose? To securely attach metal roof and sidewall panels with precision and durability. Crafted with meticulous attention to detail, these screws boast a robust 2.5 mils of powder coating. This coating isn't just for show; it's engineered to withstand the harshest elements, ensuring your structure maintains its integrity for years to come. With UV inhibitors infused into every colored coating, you can trust that these screws won't chalk or fade, preserving the aesthetics of your building. Featuring a #12 Diameter and a 5/16 Cupped HWH design, these self-drilling fasteners effortlessly penetrate steel up to .210 inches in thickness. Say goodbye to the frustration of "point walking" - these screws go exactly where you need them to, every time. By encapsulating the EPDM rubber washer, it ensures a secure seal, even when driven at an angle. No more worrying about leaks or compromising the structural integrity of your building. With Sealtite Maxx Steelbinder screws, you can trust that every installation is a job done right, the first time, every time.