Tungsten carbide cutters are renowned for their exceptional hardness and durability, making them indispensable in various industrial applications. However, like all cutting tools, they eventually become dull and require sharpening to maintain optimal performance. Sharpening tungsten carbide cutters involves specialized techniques and tools due to their hardness. In this article, we will explore the best methods for sharpening tungsten carbide cutters, including the use of diamond grinding wheels, silicon carbide wheels, Electrical Discharge Machining (EDM), and laser sharpening.