... 1.For PCB drills, drills, end mills & reamers, mold punches, core pins & hole drilling tools;2.Sub-micron FM18-H features ... made; as well as the production of cast iron, non-ferrous metals, non-metallic materials under low-speed semi-finishing and finishing tools ... the cold cast iron, heat-resistant alloy steel, non-ferrous metals and non-metallic; as well as wear-resistant parts with higher requirement ...