These self-drilling screws are engineered to simplify your fastening projects by eliminating the need for pre-drilling pilot holes. Measuring 1/4"-14 x 3/4", each screw features an indent hex washer head design that provides a secure grip for power tools while the integrated washer distributes load across a wider surface area, reducing the risk of material damage. The #3 point tip is specifically designed to penetrate metal and other tough materials with ease, making these screws ideal for HVAC installations, metal roofing, and general construction applications. Manufactured from hardened stainless steel 410, these fasteners offer excellent corrosion resistance and exceptional strength, ensuring long-lasting performance even in demanding environments. The unslotted head design provides a clean, professional appearance while maintaining structural integrity. This convenient pack of 10 screws is perfect for both professional contractors and DIY enthusiasts who need reliable fasteners for metal-to-metal or metal-to-wood applications.