Crafted with precision and engineered for durability, our hex washer head self-drilling screws are designed to offer a secure and leak-resistant fastening solution. The slotted hex washer head allows for maximum torque, while the self-sealing bond ensures a watertight seal, making these screws ideal for a wide range of applications, including metal-to-metal and metal-to-wood connections. The zinc plating provides robust protection against corrosion, enabling these screws to perform reliably even in harsh environments. Whether you're working on roofing, siding, or other exterior projects, these screws are built to last, providing a dependable hold that stands the test of time.