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Dremel is an American brand of power tools known primarily for their rotary tools. Dremel's rotary tools are similar to the pneumatic die grinders used in the metalworking industry by tool or moldmakers.
The tools were originally developed by Albert J. Dremel, who founded the Dremel Company in 1932 in Racine, Wisconsin. In 1993, the company was purchased by Robert Bosch GmbH, and today it is a division of the Robert Bosch Tool Corporation located in Mount Prospect, Illinois. Dremel's activities in Europe, the Middle East and Africa are operated by Dremel Europe, located Breda, Netherlands.
The Dremel Moto-Tool rotates a bit at high speed; the bit is held in a collet. Variable-speed versions may cover a range of 3,000–37,000 RPM. The Dremel uses its speed as opposed to torque to get the job done. By inserting an appropriate bit (or burr) the tool can perform drilling, grinding, sharpening, cutting, cleaning, polishing, sanding, routing, carving, and engraving. Both battery-powered and corded models are available. (Early cordless models were marketed as the Dremel Freewheeler.) Dremel options include a miniature planer attachment and a saber saw attachment that lets the tool act much like a small reciprocating saw.