For most DIYers, drilling into concrete means making small holes for setting wall anchors or for driving screws. A ⅞-inch rotary hammer or a hammer drill is designed for these applications.

They exert a ton of outward pressure, which could literally “wedge” the concrete apart. If drilling dust is left in the hole, ...

If you need to drill holes in masonry or concrete, you may have heard about, or come across, hammer drills. There are two ...