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impact wrench

an electric or pneumatic power wrench with interchangeable toolhead attachments, used for installing and removing nuts, bolts, and screws.
Also called impacter, impactor. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for impact wrench
  • The air tool with the nearest thing to a motor inside it is an impact wrench.
  • Use a pneumatic impact wrench to tighten bolted connections to proper specifications.
  • The connector was opened and closed by an impact wrench slung from an overhead crane.
  • We also note that the nuts on the anchor bolts were tightened using an air impact wrench.
  • If an impact wrench is used, the tension developed using the impact wrench shall be no more than two-thirds the required tension.

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