Best Angle Grinder For Wood, Metal, Concrete, and More
An angle grinder is a handheld tool that spins a wheel at a very fast rate of speed. Small models can run well over 10,000 RPM while large models might run closer to 6000 or 7000 RPM. That may seem backwards, but it's the edge of the wheel that does the work. A 10,000 RPM speed on a 4.5-inch wheel has an edge speed of 3750 feet per minute.
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