A hammer drill is a power tool that combines the functions of a drill and a hammer. It is used for drilling holes in hard materials such as concrete, brick, and stone. Hammer drills work by rotating a drill bit while simultaneously hammering it into the material being drilled. This hammering action helps to break up the material and make it easier to drill through.
Hammer drills are an essential tool for many construction and home improvement projects. They are also used by geologists, archaeologists, and other professionals who need to drill holes in hard materials. Hammer drills are available in a variety of sizes and power levels, so it is important to choose the right one for the job at hand.