Sanyo Denki Co Ltd STNM-DR-160B Nutrunner Driver

STNM-DR-160B is an AC servo Nutrunner Driver from Sanyo Denki Co., Ltd., designed to power and precisely control automated fastening systems that use Sanyo Denki nutrunner tooling. This driver acts as the control unit in a nutrunner setup, delivering servo drive signals to the tool and coordinating with the system to achieve repeatable torque and seating during high-volume assembly. In market listings, the model is sometimes shown as STNM-DR-160B-U, indicating regional or variant notation. The STNM-DR family is part of Sanyo Denki's broader nutrunner portfolio, engineered for reliable operation in industrial environments and for integration with accompanying controllers and peripherals, enabling repeatable fastening cycles on production lines.