The Max Life Carbide Hole Saw Bit functions as both a sanding drum and a hole saw capable of plunge cutting into a variety of materials. Ideal for a variety of materials including ceramic wall tile, hard and soft woods, composites, fiberglass, Masonite boards, rigid , gourds and more. The 1/2 in. (12.7 mm) 408HP features a coarse 60 grit ...Web