ARTU 02860 Hole Saw, 3-1/4 in Dia, 2-1/4 in D Cutting, 5/8-18 Arbor, Tungsten Carbide Cutting Edge Tungsten carbide particles are self-sharpening, so when a particle chips, a new surface is created in its place. For Abrasive Construction Materials Long cutting life Extremely resistant to heat and abrasion Cuts clean holes smoothly in materials without snagging Designed to be used with any variable speed hand drill Quality professionals demand with the ease homeowners want Applicable Materials : Cement, Ceramic, Fiberglass, Marble, Plastic, Plexiglas, PVC, Wood Arbor Size : 5/8-18 Body Material : Tungsten Carbide Cutting Depth : 2-1/4 in Cutting Edge Material: Tungsten Carbide Diameter : 3-1/4 in Includes : Arbor and Pilot Shank Size : 3/8 in Shank Type : Hex Suitable for : MPD401 Arbors