D40 L50 Aluminum Plum Flexible Shaft Coupling With 10Mm To 19Mm Bore For 3D Printers CNC Machines And Servo Stepper Motors Zero Backlash Torque Transfer And Beefy Torque With Polyurethane Spacer

Single D40xL50 Aluminum Plum Flex Shaft Coupling
✔️ Bore 10-19 mm; D40 x L50 mm aluminum plum flex coupling

This upgraded D40xL50 aluminum plum flexible shaft coupling connects servo or stepper motors to drive shafts in 3D printers and CNC machines. It delivers zero-backlash torque transfer and damping for smooth, precise motion in demanding setups.

Dimension	Value
Outer diameter	40 mm
Length	50 mm
Bore range	10-19 mm
Material	Aluminum with polyurethane spacer

✅ Zero-backlash torque transfer at low torque
✅ Torque exceeds traditional claw couplings by over 2x
✅ Polyurethane spacer absorbs vibration and misalignment
✅ Oil resistant and electrically insulating plum elastomer
✅ Operating temp range -20°C to 80°C

💡 What is a flexible shaft coupling used for in CNC machines and 3D printers?

Handy for connecting motors to drive shafts in compact systems, reducing backlash and smoothing motion.

- High torque transfer with minimal backlash
- Vibration damping via polyurethane spacer
- Bore range 10-19 mm for flexible mounting
- Aluminum housing provides strength with light weight