Steel Thread Cutting Screws - Zinc Plated Hex Washer Head 5/16-18 1/2 Length (10 Pack)

Alright DIYers and tradespeople, these steel thread cutting screws are seriously handy to have in your toolbox! With a 5/16-18 thread size and 1/2 inch length, these Type 1 point screws are perfect for field replacement applications and various projects where you need to create threads in pre-drilled holes. The zinc plating provides solid corrosion resistance while giving them that reflective, professional look. The hex washer head design is brilliant - the six flat sides allow a wrench to grip from the side, which is super useful when there's no space above for a screwdriver. The integrated flange acts like a built-in washer, distributing clamping force over a larger area and reducing damage to your work surface. Now, here's the technical part that matters: these are thread cutting screws (Type D), not thread forming screws. That means they actually cut material away to create threads, with a single flute that directs chips out of the hole to prevent clogging. The Type 1 point tapers down to a blunt edge, making them ideal for through-hole applications in various materials. Made from sturdy steel where strength is the priority, these screws can handle significant force without stripping or breaking. The 10-pack is perfect for having spares on hand for multiple projects or replacements. Whether you're working with metal, certain plastics, or other materials that require tapped threads, these self-tapping screws save you the step of pre-tapping holes. The fine machine screw threads provide good holding power and are suitable for a wide range of applications. The combination of the hex head for wrench access and the washer face for better load distribution makes these versatile for both professional and DIY use. Just remember that since these are thread cutting screws, they do remove material, so you'll want to clear away any chips for best results. If you're tired of struggling with traditional screws in materials that don't have pre-existing threads, these cutting screws might be exactly what you need for smoother, more efficient projects.