Lead Screw Linear Actuator - LSR1201T-0300-RCF-171-NNN-N - Length: 300mm Round Anti-Backlash Nut - Nema 17 MotorLead Screw Linear Actuator 300mm long with a NEMA 17 Motor Single Stack (43mm), Round Anti Backlash Nut, 12mm screw diameter, 1mm lead size, and the screw is made from precision rolled 300 Series Stainless Steel and coated with PTFE to prevent flaking and reduce friction. The Round Constant Force Anti Backlash nut uses a spring to maintain uniform radial pressure, reducing backlash by 2 4 times over its lifespan. Lead Screw Diameter: 12mm Round Anti