Using the DeWalt DWA54012 drill bit is easy. First, connect it to a compatible SDS max hammer. If you have a dust extractor, connect the bit to the DeWalt Airlock System on the extractor to keep the work area clean. When drilling, apply steady pressure. This bit is great for tough jobs because of its diamond grit. Make sure to use it with the right equipment and follow all safety rules. After use, clean the bit with a brush to remove dust and debris. Store it in a dry place to prevent rust. Check the bit regularly for any signs of wear and replace it if needed.