With a Bosch hammer drill, you can perform demanding drilling jobs. With the hammer function, you can easily drill in very hard materials like concrete. Most Bosch hammer drills are SDS drills. You can firmly attach the drill bit to the drill chuck and it won't slip off. A Bosch Green hammer drill is the best choice when you perform jobs every once in a while. Perform demanding drilling jobs every day? Choose a Bosch Professional hammer drill. Bosch hammer drills work on the power grid or a battery. With a Bosch cordless hammer drill, you work cordlessly.