NS Tool Co., Ltd. manufactures and sells cutting tools in Japan. Its product lineup includes micro end mills, micro drills, end mills for aluminum and resin, long neck end mill series for copper electrodes, flat drills, and thread mills, as well as solid carbide end mills for hi-tech industries. The company was formerly known as Nisshin Kogu Seisakusho Co., Ltd. and changed its name to NS Tool Co., Ltd. in 1991. Founded in 1954, it is headquartered in Tokyo, Japan.