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.
The Family Handyman on MSN2 个月
Tips for Concrete Fasteners and Masonry Screws
Two mistakes you really want to avoid are busting off a chunk of a concrete stair step and ... to drill right through the ...