Below is a list of Graphite Machining manufacturers from Punxsutawney, Pennsylvania. Graphite machining processes are heavy-duty processes since it is an especially abrasive material and it can be difficult to fabricate graphite products such as graphite electrodes or graphite bearings in the majority of machining processes. Overall, graphite offers beneficial properties such as strength, hardness, corrosion resistance, dry lubrication and self lubrication.