hammer drill

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hammer drill

n
1. (Tools) a rock drill operated by compressed air in which the boring bit is not attached to the reciprocating piston
2. (Tools) an electric hand drill providing hammering in addition to rotating action
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References in periodicals archive ?
Contract awarded for 1 hammerdrill, 4 shredders, 1 rechargeable grinder and 1 hole for the faculty of engineering
Bill McConnell of Dunright Construction and Remodeling, Toledo, Ohio, won a DeWalt 18-volt Hammerdrill driver for participating in the Reader Panel.
The line will include a hammerdrill, reciprocating saw, circular saw, impact wrench, rotary hammer, jigsaw, flashlight, and combo kits.