Chris: Yes, the Dremel is fast enough to do the job quite easily. I have the variable speed model, which turns as fast as any router. The problem of using a router type tool to trim the notch is a little hard to describe in words. Theoretically it should work great, since the bits already have a 90 degree angle just perfect to do the job. But the problem is that as you slide the keystick into the bit, the bit wants to take off hunks at a time. Maybe one of their other cutters would work better. But I think they don't have perfect 90 degree angles on these cutter bits. If you are very careful and push the keystick SLOWLY, it will work. But for all the fancy jigmaking, and time to clamp the keysticks in place for trimming the notch, you could do it faster by hand. The jig I used made it necessary to trim the right hand notches with one pass, and then the left hand notches with another pass. In between I had to reconfigure the jig. After all the hassle and time to do the job, it took longer than I thought it should. Paul McCloud
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