Hi,
Here are a couple of thoughs for you, if you have a 1/4" bit that you want to use that means in the typical guide bushing set a 3/8" bushing might be selected. Now we know that the next bushing has to be 1/4" + 1/4" or 1/2" larger. Now comes the rub, 3/8" + 1/2" = 7/8" which is not normal in the set. The math thing is additional 1/2"...... so if you have a 1/2" bushing then the next one would be 1/2" + 1/2" or 1".
Now as far as using two bushing, I have never tried that so I don't know how well that would work... I just got the different size set.
Rest assured you are not a nut case on this subject and I know for sure that several places now sell these larger 1/4" kits. As far as forums go this one seems less prone to having some of the "issues" that other forums do.... so enjoy and ask any questions you want, "the only dumb question is one not ask".....
Ed |