[Superior Anti-Corrosion Coating]Featuring advanced Ruspert coating, these screws pass a 1500-hour salt spray test, ensuring long-lasting rust protection and durability in extreme weather conditions. Perfect for both indoor and outdoor applications. [Self-Drilling Sharp Point Design]Equipped with a self-drilling tip and a combination of high-low threads, these screws effortlessly penetrate metal and wood without pre-drilling, providing strong holding power and quick, easy installation. [Upgraded Stainless Steel Washer]Includes a premium stainless steel washer that enhances corrosion resistance, ensuring the screws remain rust-free even in harsh environments. The EPDM washer also provides a tight, leak-proof seal at any angle, offering superior protection against water and UV damage. [Versatile Applications]Ideal for metal roofing panels, corrugated roofing, tin sheds, pole barns, and DIY siding projects. Suitable for attaching metal to metal or metal to wood. [Convenient Packaging]Each package contains 500 pieces of #10 x 1-1/2 inch metal roofing screws, a free 5/16-inch magnetic hex socket bit for use with power tools, and a handy plastic storage box. Superior Anti-Corrosion Coating: Featuring advanced Ruspert coating, these screws pass a 1500-hour salt spray test, ensuring long-lasting rust protection and durability in extreme weather conditions. Perfect for both indoor and outdoor applications. Self-Drilling Sharp Point Design: Equipped with a self-drilling tip and a combination of high-low threads, these screws effortlessly penetrate metal and wood without pre-drilling, providing strong holding power and quick, easy installation. Upgraded Stainless Steel Washer: Includes a premium stainless steel washer that enhances corrosion resistance, ensuring the screws remain rust-free even in harsh environments. The EPDM washer also provides a tight, leak-proof seal at any angle, offering superior protection against water and UV damage. Versatile Applications: Ideal for metal roofing panels, corrugated roofing, tin sheds, pole barns, and DIY siding projects. Suitable for attaching metal to metal or metal to wood. Convenient Packaging: Each package contains 500 pieces of #10 x 1.5-inch metal roofing screws, a free 5/16-inch magnetic hex socket bit for use with power tools, and a handy plastic storage box.