How pros drill through masonry

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When it comes to drilling holes in concrete, concrete blocks, stone and other masonry, using a standard drill can be a real exercise in futility. The rotary motion of the drill bit — even a carbide-tipped masonry bit — is simply not sufficient to power through tough masonry surfaces.

Instead, you need a drill that combines rotation with an in-and-out hammering motion. This combined action helps to break down the masonry as the bit advances, making for much faster drilling without burning the bit. There are two basic types of drills that offer this rotational and hammering combination: the hammer drill and the rotary hammer. The two tools are often confused, but there is a definite difference between them.