Japanese NBK Company, founded in 1940, is a modern manufacturer, providing NBK brand alone developed high quality mechanical parts, to serve customers in every corner. With a history and process dating back to 1560, our predecessors are proud to offer advanced knowledge, technology and skills in the manufacture of cast iron products. The imperial family of Japan gave them the title of "Chartered Foundry Craftsmen". NBK insists on constantly expanding its product lineup to meet the needs of society. Our high quality small couplings are used in precision machine tools, semiconductor manufacturing equipment and many other high-tech applications. In 2017, NBK small coupling sales for Japan's No. Another advantage of NBK in the high-tech domain is that special screws, such as those used in vacuum devices, prevent hydrogen from seeping into the screws. We are proud to help our customers succeed by offering NBK special screws and their various applications. Automation industry soluti... [more]