Tapcon 5/32" x 5.5" Carbide Concrete Tapcon Drill Bit is a masonry bit with a straight shank. It is suitable for drilling in brick and concrete. Tapcon Drill Bits work best with Tapcon Concrete Anchors. They have a carbide tip that ensures the precise drilling of pilot holes. Tapcon drill bits are designed to work as part of a system. The system includes the Condrive Installation Tool, the carbide-tipped Tapcon drill bit and the Tapcon anchor. For consistent performance, it is best to use the entire system.