How are saw blades classified?Buscar: How are saw blades classified?
Can a circular saw use different size blades?Buscar: Can a circular saw use different size blades?
Compare the blade diameter and blade type with the capability of your saw. Acceptable sizes vary by saw model but the following generally applies: Handheld circular saws accept smaller blades, those 4-1/2 inches to 7-1/4 inches in diameter.