Definition of hammer drill in English:

hammer drill

Line breaks: ham¦mer drill

noun

A power drill that works by delivering a rapid succession of blows, used chiefly for drilling in masonry or rock.
More example sentences
  • A contractor can switch the operating mode of the DV14DV rotary hammer from a driver drill to a hammer drill with just a turn of the tool's selection dial.
  • If you have a lot of holes to drill or are drilling unusually hard materials, you may need the extra power of a hammer drill.
  • The hammer drill, with its ratchet-like impact mechanism, works best on brick, block, and light concrete, but not hard concrete (that is, high compressive strength concrete or that with large aggregate).

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