threaded nut

Helix Linear Technologies' BSA-8-E Single Stack Threaded Ball Screw Stepper Motor Actuators integrate a NEMA 8 single stack bipolar stepper motor with precision 4 mm and 5 mm diameter ball screws and a threaded ball nut for accurate linear motion in an ultra-miniature, low-profile footprint. Available with or without 1000 CPR encoder in 1, 2, and 3 mm lead options with optional 8N end machining for miniature robotics, medical devices, optical systems, semiconductor, and micro-precision automation applications requiring a threaded nut mounting interface. U.S.-made.