Cutting sheets of plywood, plastic or fiberboard; Ripping and crosscutting dimensional lumber; Making rabbets and dadoes (two types of grooves) in wood. A circular miter saw blade is mounted in a ...

It has a screw shaped end point. Not as clean cut as a twist or flat bit. It is used with a hand drill Wood Hole saw Comprised of a twist drill surrounded by a large circular tube with a saw teeth.