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A rotary tool spins very quickly. At top speeds, it’s whirling 20 to 30 times faster than a handheld drill (depending on the specs of the drill, of course). At that speed, the Dremel becomes a nearly ...

Ok,<P>This sucks. I was about 2 inches from finishing some dremeling, and then thing all of a sudden goes into high gear, only. No more variable speed.<P>So I checked the brushes in the thing, ok.