Clog-resistant single-cut carbide bur for high stock removal on nonferrous metal such as aluminum and aluminum alloys, and plastic * Wide, deep flutes provide efficient chip evacuation on nonferrous metal and plastic * Tree shape with radius end (shape F) for machining narrow, hard-to-reach contoured surfaces with a round corner * Uncoated (bright) tools have no additional surface treatment or coating * 1/4" shank diameter