What is Small Hole EDM Drilling Machine?

A small hole electrical discharge machine is a machine that uses the spark discharge principle to machine holes of 5 mm or less. The processing characteristics of a small hole drilling machine are not limited by the hardness of the metal material, and are used for processing small and medium-sized molds. The small hole drilling machine template can be hardened by the small hole CNC EDM drilling machine first to machine the necessary passages, ensure quality and improve service life.