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Which type of wrench is used to turn screw or bolt heads designed with a hexagonal socket (recess) to receive the wrench?

A Allen wrench

The Allen wrench is used to turn screws or bolts with a recessed hexagonal socket.



7 months ago

Please add daily reminders!

Tim Colby

7 months ago

excellent app, using it for the second time to prepare myself and refresh my memory for the ASVAB.

Chris Carter

7 months ago


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