Sutton Tools Multi-Purpose Drills, Standard Length. For drilling in various materials such as timber, concrete, brick, stainless steel, cast iron, steel & glass. Especially suited for drilling multi laminated construction materials. Features a TCT Point ground carbide tip with two cutting edges and a L-profile flute design which efficiently extracts concrete, metal & wood particles. Hammer Action: For masonry materials only. Rotary Action: For all other materials.