Rugged and dependable line of Hilti TM smooth-shank hammer drill bits are made for drilling into brick, masonry block, concrete and stone. They are made for professionals who need to get their hammer drilling job done in an efficient manner. Use a Hilti 120-Volt 1/2 in. Universal hammer drill UH 700 (sold separately) for the best results. See how drilling is made easy with these Hilti TM smooth-shank hammer drill bits.