Flexible Shaft Coupling D20 L25 Aluminum Plum Connector 6.35mm To 10mm Bore Zero Backlash High Torque For 3D Printer CNC Machine And Servo Stepper Motor Durable Polyurethane Spacer

Aluminum Plum Shaft Coupling D20, 6.35-10mm Bore, Zero-Backlash
✔️ Single unit, zero-backlash, high-torque, polyurethane spacer

This aluminum plum shaft coupling (D20, L25) uses a polyurethane spacer to deliver zero-backlash torque transfer, ideal for CNC machines, servo systems, 3D printers, and other motion-control setups where precise, smooth drive is essential.

✅ Size: D20mm x L25mm, bore range 6.35-10mm
✅ Material: aluminum alloy housing with polyurethane elastic spacer
✅ Torque performance: delivers over 2x traditional claw couplings and maintains zero backlash at low torque
✅ Vibration handling: absorbs vibration, eccentricity, and deflection for stable motion
✅ Operating range: -20°C to 80°C, oil resistant, electrical insulation

💡 What is a zero-backlash aluminum plum shaft coupling used for in CNC and 3D printer projects?

This handy component helps maintain precise motion and smooth operation in compact drive systems.

- zero-backlash transfer for accurate positioning in servo and stepper setups - dampens vibration and minor misalignment for smoother operation - compatible with 6.35-10mm bores and D20 housing for CNC/3D printer use - ideal for high-speed, medium-torque applications in servo systems