How to Cut Metal With a Circular Saw


A circular saw is a convenient and portable power tool that can cut a variety of materials, metal being one of them. The actual saw portion of this device is interchangeable. You can choose a saw blade that is specific to the material that you will be cutting. This is an important step to assure that you will get a proper, accurate and smooth cut. After choosing the blade, you will need to know how to properly use the saw, since it can be dangerous. However, using a circular saw to cut metal is pretty simple and straightforward.

Things You'll Need

  • Work gloves
  • Saw blade (for metal)
  • Dust mask
  • Safety goggles
  • Measuring tape
  • Adjustable wrench
  • Workbench
  • Clamps
  • Choose a blade that is geared to cutting metal. A combination blade for any type of general cutting will get the job done. However, a diamond saw blade is best for cutting metal objects. A new sharp blade is important for a smooth and accurate cut. Old dull blades can produce ragged, uneven cuts. Consult with the labeling and owner's manual of your saw to determine the size of the blade diameter that you will need.

  • Put on protective clothing and gear including work gloves, safety goggles and a dust mask for your mouth and nose. This will protect you from cuts, flying debris and from inhaling metal pieces and dust.

  • Install the blade in the circular saw. Insert the saw in the holding slot for the blade. Tighten any nuts, bolts and other attachments that will hold the blade in place with an adjustable wrench. See your specific circular saw's instruction manual for exact steps to properly install your blade. The blade should be held tightly in place for your safety.

  • Set your blade. Use the blade adjustment slide on the side of your circular saw to move the blade up and down. The blade depth should not be set to any more than 1/4 of an inch thicker than the metal that you will be cutting.

  • Clamp the metal to a workbench. Allow the section that you will be cutting to hang over the edge of the bench.

  • Turn on the circular saw. Let the blade start and get to full speed.

  • Stand with both feet comfortable and planted firmly on the ground. Position yourself so that you are to the side of and not directly behind the the section of metal that you will be cutting. This position will protect you from better from flying debris and kickback from the saw.

  • Gently press the saw blade into the side of the metal. Do not force the blade into the metal. Allow the blade to work for you as you gently move it forward into the metal. Run the blade across the entire length of the metal.

  • Complete the cut and turn off the saw before removing it from the metal.

Tips & Warnings

  • Power tools are dangerous. Always be alert when using a circular saw. Do not work under the influence of anything that will make you drowsy or disoriented.


  • Photo Credit detail of circular saw image by Thor Jorgen Udvang from
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