Bosch CB748ST 7-1/4 In. 48 Tooth Ferrous Metal Cutting Circular Saw Blade Extra-hard C6 carbide teeth with zero hook angle produces a fast, clean cut with minimal burrs Triple-chip tooth grind provides smooth cutting and durability Cooler running and much longer life with less dust and debris than bonded abrasive wheels Expansion slots keep blade running true 5/8" arbor with diamond knockout