> I tend to use the homemade chasers frequently.  Sure, a tap does a better
>  job dressing the holes, but usually, that's not needed.
>
  I have the tap for non-stretch bolts so for the heck of it I did the
saw-cut
bolt to compare.  The tap got enough crap out afterwards that it's really
worth the ~$10 for a tap.
     Loren