Terms of the Trade: What Is a Circular Saw?

A DIYer using a circular saw to cut wood.
  • Beginner
  • 40-200

A circular saw, also known as a skill saw, is either a table mounted or hand-held tool with a circular, toothed metal disc or blade. Circular saws are most often used to cut wood but can also be fitted to cut plastic, metal or stone. This variety of saw is known for the accuracy of straight cuts, but edges of wood often need to be sanded for smoothness. it's portability makes it convenient for working in a variety of locations.