All our tungsten carbide burr die grinder bit tools are manufactured right here in USA. This SD-51 double cut carbide burr die grinder bit tool measures 1/4" on 1/8" shank. SD-51 Double Cut Solid Carbide Burr is built to last! Crafted from high-quality solid carbide, this tool provides unmatched toughness and durability that can withstand heavy-duty usage over time. This carbide burr delivers superior performance every time. The double-cut design ensures efficient, smooth cutting and grinding, perfect for all your metalworking projects. With the SD-51 Double Cut Solid Carbide Burr, versatility is a given! It's designed to work on a wide range of materials including steel, aluminum, brass, copper, and more—making it a must-have in any tool kit. Get accurate results with each use of the SD-51 Carbide Burr. The precise design helps you perform intricate and detailed work seamlessly—enhancing productivity while reducing chances of errors. Our Solid Carbide Burr not only offers top-notch performance but also ensures easy usage and maintenance. The double cut design prevents chip clogging while its compact size makes it easy to handle and store.