The Hilti Standard Rotary Hammer Drill combines working comfort with the power you need. With best-in-class performance, 1.3 ft. lbs. of impact energy and 4600 impacts per minute will allow you to drill faster. This tool is ideal for drilling holes ranging from 3/16 in. to 3/4 in. and performs its best within 3/16 in. to 1/2 in. into concrete and masonry.