Concrete saw blades are used for cutting concrete, hard concrete, hard concrete with reinforced bar, ... Hard Bond (80) - For cutting soft, abrasive surfaces. Ring Saw Blades - For cutting river rock, granite, heavily reinforced concrete, mica ... strength Shavemaster Blades - For grooving concrete, Hex Arbor. Concrete saw blades are used for cutting concrete, hard concrete, hard concrete with reinforced ...