Metalfix 6.3 x 40 Hex Tek Roofing Self-Drilling Screws BZP are engineered for precision and durability, ideal for roofing applications. These screws feature a hex head for easy installation and a self-drilling tip, eliminating the need for pre-drilling. The BZP coating ensures resistance to corrosion, enhancing longevity. Perfect for professionals seeking reliable fastening solutions, they offer superior performance in metal-to-metal connections, ensuring a secure and lasting fit. Enhance your roofing projects with these high-quality screws.