Using the Bosch HTW1 Edge Impact Tough Hole Saw is easy. First, make sure your drill or impactor is turned off. Insert the 1/4 - inch hex shank of the hole saw into the chuck of your tool and tighten it securely. Mark the spot where you want to drill on the sheet metal. When you start drilling, apply steady pressure. The depth stop on the hole saw will help you control the depth of the hole and prevent it from going through too far. As you drill, the pilot bit spring will automatically eject the cut - out plug, so you don't have to worry about removing it manually. Remember to wear safety goggles and gloves to protect yourself. After using the hole saw, clean it with a dry cloth to remove any metal shavings. Store it in a dry place to prevent rusting. If you notice that the teeth are getting dull, it might be time to replace the hole saw for optimal performance.
