RedLine Tools carbide burs are proudly made in the USA. Because our burs are made from high quality tungsten carbide, they can withstand extreme conditions, including high temperatures and repetitive use. Our standard and end cutting burs can be used with a wide range of materials from aluminum and aluminum castings, to cast irons, fiberglass, and all types of alloy steels. These burs are designed to do the work for you, requiring only slight pressure to get the job done efficiently and effectively.Our comprehensive selection includes a wide assortment of single cut and double cut burs in a variety of standard shank sizes (1/16”-1/4”). Whether you need a cylindrical, cylindrical ball nose, egg shape, ball shape, or any other type of bur, carbide burs from RedLine Tools will help cut or shape whatever material you have at hand for a perfect finish.