DEWALT D180056 3-1/2-Inch Standard Bi-Metal Hole Saw
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<b>[Product Information]</b><br>
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<li>Double tooth design strengthens each tooth for longer life and improved durability</li>
<li>Sharper Tooth Geometry cuts material faster for faster drilling</li>
<li>Thick, hardened backing plates prevent thread stripping</li>
<li>Deep cut style holes saws will cut 2x material in 1 pass.</li>
<li>Increased high speed steel height (highest in the industry) improves hole saw durability</li>
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