20x25mm Flexible Shaft Coupling With 6mm To 8mm Bore, Aluminum Plum Connector For 3D Printers, CNC Machines, And Servo And Stepper Motors, High Torque, Zero Backlash, Durable Polyurethane Spacer, Easy Fit

High-Torque 20x25mm Coupling, 6-8mm Bore, 1pc
✔️ 6-8 mm bore, 20x25 mm body, aluminum plum connector, zero backlash

This compact, high-torque shaft coupling is designed to transfer power between motors and shafts in 3D printers, CNC machines, and servo/stepper systems. Its durable polyurethane spacer and insulated plum elastomer provide reliable performance in a variety of setups and temperatures.

✅ Outer diameter 20 mm, length 25 mm, bore 6-8 mm
✅ Durable polyurethane spacer delivers over 2x torque capacity vs traditional claw
✅ Zero-backlash torque transmission for smooth motion across low-torque ranges
✅ Oil-resistant, electrically insulated plum elastomer; operating -20°C to 80°C
✅ Superior vibration absorption and misalignment compensation for stable operation

💡 What is a high-torque shaft coupling used for in precision drive systems? This handy piece is built to connect motors to drive shafts with minimal backlash and vibration across a wide range of machines. - Handy for precise power transfer in CNCs, 3D printers, and servo motors - Supports 6-8 mm bore and 20x25 mm body with a snug fit - Reduces shaft deflection and improves stability