The MILWAUKEE Carbide Hammer Drill Bits are designed with sharpened carbide to deliver up to 9x longer life and 4x faster drilling into concrete. The POWER TIP, available in sizes 3/8 and above, is designed with dynamic cutting edges and a chip breaker for increased productivity and easier drilling from start to finish. Engineered with precision ground carbide, these bits deliver faster starts and less walking in concrete, brick, and block. Wide flute design removes dust faster, reducing heat and delivering more holes per charge. Equipped with a 3-Flat Secure Grip shank, Milwaukee Carbide Hammer Drill Bits are the ideal solution for drilling in masonry materials with hammer drills/drivers. Available in diameters up to 1 inch.