Koopi 115mm / 4.5" Hole Saw with Arbor & HSS Drill Bits, New Bi-Metal Material Hole Cutter，Strong and Durable 4 1/2 inch Holesaw for Easily Drilling Wood, Plastic, Plywood, Drywall, Metal

This 4.5 inch Hole Saw Drill Bit is designed for wood / plastic / metal sheet cutting. Constructed of hardened steel and abrasion resisting high speed steel teeth with a tough alloy body and cap, Durable and cuts clear Non-binding clean edge design make the hole saw blade cuts smooth and fast.More than that,the spring on the drill bit is nice because it automatically pushes the disc out of the saw immediately after completing the hole. Dimension: Diameter-4-1/2 in (115mm); Cutting Depth- 1.18 in (30mm); Arbor shank diamater- 3/8 in,fit all 3/8" or 1/2" drills. Pakage Include: 1 x 115mm hole saw; 1 x arbor; 1 x replacement M42 Steel pilot drill bit; 1 x hex key, Weight: 1.4109584768 pounds, Manufacturer: Koopi