Tapcon 3/16" x 7" Carbide Percussion Bit with SDS Shank is a professional-grade drill bit designed for drilling holes in brick, concrete, and other masonry materials. It features a carbide tip for long life and durability, and a SDS Plus shank for use with SDS Plus rotary hammers. The bit is engineered for heavy-duty use in rotary hammers, and easily drives through concrete and masonry. The SDS shank eliminates slippage, providing for productive, high-torque drilling. Tapcon Drill Bits are designed to be used with Tapcon anchors to ensure drilling precise holes and achieve maximum holding power.