For your high speed, low torque needs, few things beat a rotary tool like a Dremel. The electric motor has its limits, though, they generally peak out at 35,000 rpm or so. Plus there’s the dust ...

This twin-turbine vacuum-powered Dremel tool is a perfect example of what better tools can do for a build. You may recall [JohnnyQ90]’s first attempt at a vacuum powered rotary tool.

Power rotary tools like Dremel's classic version do not have this problem. If anything, you'll find it difficult to complete a job without coming up with a use for it. The secret to all this ...

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