The 2305 Center Drill is a 2-flute, general purpose drill designed to be a combination drill and countersink, centering and chamfering in one single operation. It can be used in a variety of materials including titanium, hardened steels, stainless steels, steels, cast iron, graphite, brass & copper, aluminum, composites, and wood. The 2305 Center Drill is available in 60°, 82°, and 90° angle points and is stocked uncoated and with TiAlN coating.