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22mm HSS Drill Bit Hole Saw CutterProduct Feature*Hole saw is made of HSS high speed steel, durable and practical for impact resistance, wear resistance.*Hole drill bit is through a special heat treatment, sharp edge, high precision, smooth cutting and high strength.*Openings for stainless steel, iron, aluminum, and various types of pipes.*Hole saw creates a hole in the work piece without having to cut up the core material.*Hole saw is perfect for Installing Locks, Knobs in Doors and Cabinets in Seconds, which make the job quick and easy.*Hole saw works with the ordinary electric drill and is ideal for drilling large diameter holes through Desks, Home Wood, Aluminum Plate, Alloy Plate, Plastic Sheet etc.Technical ParametersProduct Name: Hole SawMaterial: HSSCutting Diameter: 22mm / 0.87 inchTotal Length: 70mm / 2.76 inchMain Color: Silver Tone, BlackPackage Content2 x Hole Saw2 x Hex Wrench