Rotary Tools: 5 Fast Facts

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Fact #1. Rotary tools were first developed by Albert J. Dremel, who went on to found the Dremel Company in 1932. The original model was called the Dremel Moto-Tool. It rotated a bit at high speeds for sanding, drilling, grinding, cutting, polishing, engraving, and carving. Many current day models are equipped with variable speed control. This allows one to better perform precision jobs.
Fact #2. Since their invention, people have found a number of interesting ways to use rotary tools. During the 1940s, the Defense Department used them while creating the atomic bomb. Pedorthists have used them for making shoe inserts. Dentists use them while creating dentures. Doctors have found ways to use them in dermal abrasion techniques for the removal of tattoos.
Fact #3. Contractors and DIY types love these tools. They're the Swiss Army knife of a toolbox. They can be used to perform nearly any type of job. They're small enough to fit in most toolboxes without adding a lot of extra weight. They can be divided into two types: standard and cut-out. Cut-out tools are designed with larger motors, as they're meant to cut through heavy-duty building materials.
Fact #4. These tools extremely high RPM makes them excellent for cutting through metal and wood. They can easily be used to cut off the heads of nails that can't be pried loose, and trim off small areas of base board or molding without having to worry about over cutting.
Fact #5. One of the first things to remember when using these is to wear proper safety gear. Thick leather or rubber work gloves should be worn to protect the hands from debris and sharp edges. Safety glasses should always be worn, as well. The high RPM of these tools can send small particulate flying through the air, which can cause eye injury.