Our SHOCKWAVE Impact Duty Carbide Hammer Drill Bits are designed with sharpened carbide to deliver up to 9x longer life and 4x faster drilling into concrete. Engineered with a precision ground tip, 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 1/4 in Hex Shank, Milwaukee SHOCKWAVE Impact Duty Carbide Hammer Drill Bits are the ideal solution for drilling in masonry materials with both impacts and hammer drills/drivers. Available in diameters up to 1/2 inch.