【High Quality】Alloy steel, superior heat treatment and hardened drill bits. Special U-type groove slot design for smooth dust removal and fast drilling
【Industrial Grade】Durable Tungsten Carbide drill tip precision ground at special angle with copper welding for strong drilling performance and longer lifetime
【Integrated Hex Shank】1/4-inch (6.35mm) integral quick change hex shank for easy loading in drills and impact drivers (not for use on hammer drills), non slip, enhance drilling strength
【Wide Applications】For masonry drilling through concrete, brick, block and stone, and many more
