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
Description
With a double-tooth design for long life and extreme durability, DEWALT Bi-Metal Hole Saws power through 2 times the material in a single pass. The sharp tooth geometry of the DEWALT hole saw expedites cutting, and thick, hardened backing plates helps to prevent thread stripping. A high-speed steel height makes them ideal for tough jobs.
DEWALT D180040 2-1/2-Inch Standard Bi-Metal Hole Saw