Originally Posted by
dedhed
We use torque wrenches all the time in both directions to check critical fasteners are properly torqued by others.
Just don't exceed the torque wrench capacity in either direction.
This. Dial and beam style tq. wrenches can last decades if not abused. The pointer can be rezeroed as needed, but can indicate that the wrench exceeded it's capacity at some point and may no longer be accurate in either direction. A testing lab can certify accuracy (semi costly).
Brad