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hammer drill |
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hammer drill [′ham·ər ‚dril] (mechanical engineering) Any of three types of fast-cutting, compressed-air rock drills (drifter, sinker, and stoper) in which a hammer strikes rapid blows on a loosely held piston, and the bit remains against the rock in the bottom of the hole, rebounding slightly at each blow, but does not reciprocate. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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There’s also a new line of 14 Firestorm cordless tools, including drill/drivers, a hammer drill, a brad nailer, an impact driver, a powered hand saw, a circular saw, a reciprocal saw, a jig saw, sander, a hand vacuum and a flashlight. If you have to drill a number of holes in hard concrete, you can rent a hammer drill for about $10 per day (rental costs may vary from store to store). Designed for demanding contractors and advanced do-it-yourselfers B3's Dodge HEMI power tool line will initially comprise reciprocating, circular saws and jigsaws, a hammer drill, a flashlight and a one- and two-battery charger. |
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