These square drive self-drilling screws are seriously handy for anyone working with metal! The #10 x 1 inch size with TEK points can pierce through 20 to 14 gauge metals without needing pre-drilled holes - that's a huge time saver. Made from 410 stainless steel, they're corrosion resistant and hardened for easier installation in tough materials. The square drive design is what really sets these apart - it allows for higher torque without cam-out or stripping compared to Phillips heads, so you get better driving power and fewer ruined screws. They're fully threaded for excellent retention once installed, and the pan head sits flush for a clean finish. Perfect for exterior applications where weather resistance matters, like outdoor metal structures, roofing, siding, or any metal-to-metal fastening projects. You get 100 pieces in the pack, which is plenty for most jobs without having to constantly restock. Whether you're a professional contractor or a DIY enthusiast working on metal projects, these screws make the job so much easier and more efficient. They're one of those basic supplies that just work reliably when you need to fasten metal components together quickly and securely without the hassle of pre-drilling.
Free 30-day returns 
Free 30-day returns
