A hammer-drill can drill holes and drive screws, like a drill/driver, but it’s also specially engineered to perform one other task: bore holes through concrete, brick, stone and other masonry materials with astonishing speed and ease.
Hammer drills are not typically used for production construction drilling, but rather for occasional drilling of holes into concrete, masonry or stone. They are also used to drill holes in concrete footings to pin concrete wall forms and to drill holes in concrete floors to pin wall framing.
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