The NUM Flexium is an entire system for CNC-machining centres which consist of in-sync components such as control, software, axis regulation and remote control. The extend of a Flexium System is variable and go until the embedding of different bus systems, synchronized servo motors, ethernet as well as other control panel and network components.

NUM themselves described Flexium with the words: "The Flexium CNC-system has turned out to be NUM's biggest success so far." In the implementation prospect for the advancement Flexium + 2015/16.

Flexium are used e.g. by manufacturers MKM, ESSETRE and CML (stand january 2019).