best-seller machine for drilling small holes drilling hardened hard materials to non-metal materials such as aluminum within seconds using sodicks original water-soluble dielectric fluid vitol-ks developed for high-speed ......best-seller machine for drilling small holes drilling hardened hard materials to non-metal materials such as aluminum within seconds using sodicks original water-soluble dielectric fluid vitol-ks developed for high-speed drilling, k1c drills holes with pipe electrodes 0.25 to 3.0 mmwithin a matter of seconds. the machine is capable of drilling a wide variety of materials from difficult-to-cut materials to aluminum and other non-metal materials (material: skd11, thickness: 20 mm, electrode diameter: 0.8 mm, drilling time: 20 sec.).