Milwaukee 5/16" Multi-Material Bell Hanger is a highly versatile and durable drill bit designed to handle a wide range of materials including brick, block, concrete, steel, aluminum, ceramic tile, backerboard, wood, PVC, stucco, and drywall. for small wire system installations, this 18-inch long bit features a hole in the tip for easy cable and wire pulling, i for computer, security, phone, and cable system setups. Its aggressive multi-grind carbide tip ensures up to 10 times longer life in stacked materials and delivers drilling speeds up to 85% faster in metal. Equipped with a 1/4" hex shank, it is compatible with impact drivers, drill/drivers, and hammer drills, making it the all-in-one solution for wire-pulling applications. Model Number: 48-20-8862