I recently got a T-slot bit(like a keyhole bit only slightly larger)from MLCS. Item #6333. I got it for making T-slots in jigs and fixtures rather than using commercially availiable T-track. When I use it with BJs dado jig (see link) I can only have about 5/8" of shank in the collet. Or the collet will rub on the template guide. Total length of bit is 2", Large diameter at bottom is 3/4" x 1/8". Is this safe?
Mike, my version of BJs dado jig is made of a left over plank of laminate flooring(about 5/16" thick). Also after setting up the jig, I first run a 3/8" straight bit which should ease some of the pressure on the bit. The brass t-guide has a barrel length of .201".
BJ, I made a new top and fence for my new table without the blue T-track. The cuts in question are to be made in the surface of the table. Once done, it will probably only be used with the fence.
A 1/8" of in.is good as a mile when it comes to router and brass guides, I just needed to reread your post to make sure what you said.
That's to say if the router does not get tiped from one side or the other when you make the pass and because the jig if flat and the brass guide is in the slot it should stay flat to the stock and should be just fine when you make the pass.
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