Faithfull Cobalt Quick-Change Impact Drill Bits feature a revolutionary tip design far superior to any other drill bit in the industry, the innovative drill bits have 7 cutting edges and 3 peaks to offer several distinct competitive advantages.Ideal for heavy-duty industrial work in alloy steels, carbon steels, cast iron, hardened alloy steels, stainless steels, high-temperature alloys, titanium alloy, high strength steel and carbon fibre composite materials.