• Double tooth design
  strengthens each tooth for longer life and improved durability
• Sharper Tooth Geometry cuts
  material faster for faster drilling
• Thick, hardened backing
  plates prevent thread stripping
• Deep cut style holes saws
  will cut 2x material in 1 pass.
• Increased high speed steel
  height (highest in the industry) improves hole saw durability

DeWALT D180068 4-1/4″ (108mm) Bi-Metal Hole Saw DWD180068