Quote:
Originally Posted by JNJchev77
Why can't I drill it out??
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Far too many people use regular bits and drill it out to "What looks good", but this can create its own set of idle issues. It can be done but its the kind of thing that should happen 1/64 at a time with machine bits, not really a powerdrill kinda job.
That being said, if yours were blocked, re-opening them isn't a problem, provided you can do so without boring the hole over.