Tapcon 3/16" x 5-1/2" Concrete Drill Bit is a percussion drill bit made of carbide with a carbide tip. It has a 5-1/2" maximum drilling depth and a 5/32" shank size. It is compatible with hammer drills. This drill bit is designed for drilling holes in concrete, brick, and masonry. It is a high-quality drill bit that will last for many years.