Ferrous materials diamond cutting poses significant challenges due to the high wear rates of the tools. Understanding the underlying mechanisms of tool wear and developing effective suppression methods are critical for enhancing tool life and machining efficiency. This chapter examines the electrochemical mechanisms responsible for tool wear and explores various strategies to mitigate these effects. By understanding the electrochemical interactions and leveraging advanced tool wear suppression techniques, it is possible to enhance the performance and longevity of diamond tools, ultimately leading to more efficient and cost-effective machining processes.