I bought this drill for a job to cut a hole in my old truck's fairing, just a 13/16 inch hole in plain old auto sheetmetal. For starters, what a terrible job this drill has done: unstable, difficult to control or stable, literally tearing metal against the drill. A hole at last, but with jagged edges and very uneven surfaces at the top and bottom. I would return it but the racquet is no better. I have a hole but I'm not proud of it and I will never use this racquet again. Can be suitable for softer materials such as aluminum, wood, etc.