air wrench


Definition of air wrench

: a ratchet wrench that uses compressed air to apply torque : a pneumatically powered impact wrench Lathes run, drills spin, air wrenches whir and whine from every angle.— Scott Huler, A Little Bit Sideways, 1999

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First Known Use of air wrench

1919, in the meaning defined above

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The first known use of air wrench was in 1919

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