As one of the world’s leaders in used OKK sales, we feel it is important to educate our customers on the history of OKK’s machine tools and how they have shaped the current machine tool industry. OKK is a leading manufacturer of CNC machine tools. OKK specializes in manufacturing CNC Vertical Machining Centers and CNC Horizontal Machining Centers as well as other types of CNC machinery. OKK has a vast array of various CNC machines ranging from standard 3-axis vertical machining centers to multi-axis CNC machining centers. OKK is best known for its high-quality and high-speed Vertical and Horizontal machining centers. Below is a guide of the different models that OKK has introduced throughout the years.