Starrett Bi Metal Constant Pitch Hole Saws have 6 teeth per 25mm/inch and are ideal for thinner gauge materials. The Constant Pitch provides a smooth cut, with minimal tendency to bite or snag on contact with irregular surfaces.
They are constructed of hardened, heat and abrasion resisting high speed steel teeth with a tough alloy body and cap, this gives them exceptional strength, durability and shatter resistance for user safety.
They will cut any wood, metal or plastic in either a hand-held drill or a drill press.
Max. Cutting Depth: 41 mm.