Hmm. I have the little ridgid trimmer mounted next to my spindle. It does have a little up and down drift as well as runout, but it works okay in aluminum as is.
I am using 1/4" bits though, so it's not ultra precise. Doesn't need to be in my application.
It seems it might be easy to get this to turn a small air die grinder if you can find one with little play, but then you could do away with the router and just use air.
All the ones I have seen have just as much play as the router.
They are louder using air, but the sell air motor mufflers too. That makes them a bit more bearable.
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Lee |