Whether you’re punching holes in sheet metal or any type of metal fabrication, you need a good set of drill bits capable of cutting through metal. This does not mean all drill bits will perform the same, however. Some are designed to cut through cast iron and steel, while others handle stainless steel and aluminum. Additionally, you need to consider the tool you will be using and select a set of bits that can mount to it. It sounds like there is a lot to consider, and there is. Once you know what to look for, you’re ready to get to work. To help you start punching holes in hard materials, we have a list of some of the top drill bits on the market.