All our tungsten carbide burr die grinder bit tools are manufactured right here in USA. This SD-3 NF aluminum cut carbide burr die grinder bit tool measures 3/8" x 5/16" on 1/4" shank. The SD-3 NF Aluminum Cut Carbide Burr is made from premium-quality carbide to ensure its longevity and durability. This abrasive tool can withstand heavy-duty usage without compromising performance, making it an excellent investment for your power tool collection. Equipped with sharp blades, the SD-3 NF Aluminum Cut Carbide Burr offers efficient cutting power on aluminum and other non-ferrous metals. Its superior cutting ability ensures less effort and time spent on your projects while yielding professional-grade results. Whether you're deburring, grinding, or shaping materials, the SD-3 NF Aluminum Cut Carbide Burr is versatile enough to handle a variety of tasks. This makes it an essential addition to any craftsman's or DIYer's toolbox. The SD-3 NF Aluminum Cut Carbide Burr is designed for easy handling - even for beginners! Its user-friendly features make it simple to attach to your rotary tool, ensuring a hassle-free working experience every time. With its impressive speed and precision, the SD-3 NF Aluminum Cut Carbide Burr delivers consistent performance that guarantees smooth finishes on all projects. It's perfect for both large-scale industrial applications and smaller home improvement projects alike.