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A circular saw is a power tool that uses a circular cutting blade to cut materials. This type of saw is typically machine-powered and features teeth on its periphery. The teeth are often bent outward, a technique called "setting," to create a groove (kerf) wider than the blade itself. This prevents the saw from binding in the material being cut.12

Circular saws are versatile and can cut a variety of materials, including wood, metal, and plastic, depending on the blade used. They are commonly used for tasks like ripping, crosscutting, and making angle cuts. The portable electric circular saw is particularly popular among DIY enthusiasts.2

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