5 Best Dremel Rotary Tool Kits - Sept. 2019 - BestReviews
Many common power tools, such as a circular saw, drill, or grinding wheel, would fit the broad definition of a rotary tool. A motor produces a variable rate of spin, and a specialized blade or bit performs a task, whether it be slicing through a piece of wood, boring a hole in sheet metal, or grinding down a burr.
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