Tungsten Carbide has extraordinary stiffness and low wear properties, Tungsten Carbide is often the preferred electrode material for applications requiring very small holes put in by sinker EDM or Small Hole EDM.

Since Tungsten Carbide is very brittle, it is best utilized with rotating spindles that have tilt and centering adjustments or guide bushings, since Carbide cannot be trued in the spindle by bending..