What machinists do and use is a tiny mystery to the remaining portion of the world. We are aware that this type of person needed, but we aren't 100 percent sure about why we truly need them. So, what do machinists do? Machinists use tools in order to shape metal into parts. These parts are utilized in numerous applications, but this really machinist tools is generally done in a manufacturer setting. They use various tools to chip away, mold, and shape the metal to the specifications distributed by an engineer. The absolute best tools for machinists are made from tempered steel. These tools must be very strong because you are using them to shape metal. You can't have these tools misshapen or break. These tools are all specialty, meaning they really haven't any other use except for machining. There are six categories these tools fall under: measuring, hand, machine, workholders, toolholders and cutting. Measuring tools, obviously are employed for measuring things.