
Using the DeWalt DAH4134 hole saw is easy. First, make sure your drill is set to the appropriate speed for the material you're cutting. When starting to cut, apply gentle pressure and let the saw do the work. For tough materials like thick metal, it might take a bit more time, but the aggressive tooth design will help you through. As you cut, the large continuous slot makes it easy to remove the plug. Just use a lever or a similar tool at the leverage points provided by the slot. Now, for maintenance. After each use, clean the saw with a brush to remove any debris. You can also use a light oil to lubricate the saw and prevent rust. Store it in a dry place. And always remember to wear safety goggles when using this hole saw to protect your eyes from flying debris.