Flexible Coupling Shaft 12mm To 25mm Bore Motor Coupler Joint For Servo And Stepper Motors, 52mm Long, 44.5mm OD, 4mm Or 7.8mm Slot Width, 45 Steel Pro Grade, Connects Encoders And Screw Drives With Easy Alignment And Vibration Dampening

1x flexible motor coupling shaft, 12mm to 25mm bore
✔️ Bore 12-25 mm (0.47-0.98 in), L 52 mm (2.05 in), OD 44.5 mm (1.75 in)

This coupling shaft connects servo or stepper motors to encoders, screw drives, and other driven parts. It’s widely used in CNC machines, robotics, and automation setups to smooth operation and reduce stress from misalignment.

✅ Material: 45# steel
✅ Bore: 12-25 mm; Length: 52 mm; OD: 44.5 mm
✅ Slot widths: 4 mm and 7.8 mm; Threads: M6x1.0, M8x1.25
✅ Pack: 1 piece

💡 What is a flexible coupling shaft used for in motor systems? This handy component connects motors to driven parts while damping vibration. - Absorbs vibration to protect motor and load - Compensates minor misalignment between shafts - Compatible with 12-25 mm bore and 52 mm length - Uses M6x1.0 and M8x1.25 mounting threads