Power Tools : Hitachi in Indonesia - Hitachi di IndonesiaHitachi Koki (HKS) is a leader in the electric and cordless power tools industry, . revolutions/minute) - the highest speed machine of its kind in the world. 2000s.hitachi hand grinding machine di indonesia,Hitachi Koki U.S.A., Ltd. (Hitachi Power Tools)Click to register your Hitachi Power Tool. Product Registration. View our flipable Hitachi Tool Catalog . Watch and learn more about Hitachi Power Tools.