Originally Posted by
HillRider
Hex wrenches, particularly small ones, do wear out over time and use. The edges of the hex round off and you either have to cut them off shorter* or replace them. Even good quality hex wrenches aren't a long term investment. Craftsman tools are generally very good quality and very reasonably priced.
* Do not attempt to cut a hex wrench, even a cheap one, with a hacksaw as they are much too hard. Use a Dremel tool with a cut-off wheel and feed the wrench slowly with frequent dips in water to keep the steel cool and protect the temper.
Dremel will work, but if available use a bench grinder. Go slowly and use water like Hillrider says.
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