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 ...
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 ...
The Dremel power plant was actually used to make the base, specifically slowly removing material at the clamping points that hold the rotary tool secure to the base. The Dremel is held in an ...