Len wrote:

I have been using an Akeda dovetail jig and just ruined the guide
bushing. It is marked 0.438", which is the exterior diameter. I
can pay $25 ( 1/2 is shipping) or use an old Porter Cable bushing
which varies about .002 to .003 in diameter as you go around it with
a micrometer.

I find it hard to believe that that .002" variation would be a
problem. Anybody had this experience and how did you resolve it.
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Based on my limited experience with dovetail jigs is that if the
cutter bit and the guide bushing are not totally concentric with one
another and the depth of cut is dead on, you are screwed.

I'd sit tight and wait for the Akeda part to arrive.

This is truly a case of patience is a virtue.

Lew