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Drills

If you want to make a round hole in something by removing material, then you need a drill. Other tools and instruments (such as a nail) can make a hole, but a drill does it by cutting away material in the hole rather than forcing it aside.

There are four types of drills:

  • drill press, a mounted drill designed mainly for drilling metal but can be used anytime you need a controlled or repeatable drilling angle and depth.
  • hammer drill (impact drill), a hand held drill for hard surfaces
  • hand drill, a manually operated hand drill
  • power drill, an electric or compressed air driven hand drill

The actual hole creation is done by the drill bits, which in many cases are interchangeable between types of drills but are specially designed for drilling particular materials.

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