Flexible Coupling Shaft 15mm to 19mm Bore 53mm by 44.5mm Motor Coupler Joint for Servo and Stepper Motors Encoder and CNC or 3D Printer Projects Ideal For Hobby CNC 3D Printing And Robotic Projects

Single flexible motor coupling shaft 15-19mm bore, 53x44.5mm
✔️ Bore 15-19mm; length 53mm; OD 44.5mm; slot 5-6mm; M5/M6

The coupling shaft is built from 45# steel to connect servo motors, stepper motors, encoders, screw drives, and machine platforms. Its flexible joint reduces stress from misalignment and vibration, delivering smooth, reliable operation in hobby CNC, 3D printing, and robotics projects.

✅ Made from 45# steel for durability and rigidity
✅ Flexible joint absorbs misalignment and vibration
✅ Bore range 15-19mm with standard threads M5x0.8 and M6x1.0
✅ Length 53mm and outside diameter 44.5mm for stable mounting
✅ Pack size: 1 piece

💡 What is a flexible motor coupling shaft used for? This handy device connects motors to driven parts and helps absorb misalignment.
- Transfers torque between motor and load
- Dampens vibration and reduces stress on shafts
- Handy for hobby CNC, 3D printing, robotics
- Uses standard bore sizes and threads for compatibility