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All About Circular Saws

Learn how a circular saw works, the different types of blades and how best to use it.

Excerpted from Do It Yourself Home Improvement

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Circular Saw Blades

The type of material that a circular saw can cut depends on the blade. The blade's radius dictates the depth of the cut. A specially designed wrench is usually needed to replace a blade. Follow the owner's manual for details. The teeth on the nail-cutting blade (left) can cut wood with nails in it. The standard blade (middle) is made from hard steel with a tungsten-carbide tip, and the teeth on the long-life blade (right) are treated for smooth operation.

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