Hammer drill/Definition: Difference between revisions
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imported>Howard C. Berkowitz (New page: <noinclude>{{Subpages}}</noinclude> A drill (tool) used to make holes in hard material such as stone and concrete, which moves its cutting bit in a repetitive linear motion or combined...) |
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Revision as of 09:32, 4 June 2009
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A drill (tool) used to make holes in hard material such as stone and concrete, which moves its cutting bit in a repetitive linear motion or combined with a rotary motion; many hand power drills have selectable hammer and rotary modes