Flexible Coupling Shaft From 10mm To 14mm Bore, 53mm Long, 44.5mm Outer Diameter, 4mm Or 5mm Slot, C45 Steel Motor Coupler Joint For Servo And Stepper Motors, Encoder, Screw Drive, CNC Routers, And Robotic Machine Platforms

Flexible Coupling Shaft for 10-14mm Bore, 53mm Long
✔️ Single 1x shaft, bore 10-14mm, length 53mm, OD 44.5mm

The coupling shaft is a sturdy 45# steel link designed to connect servo and stepper motors, encoders, screw drives, and various machine platforms. Its robust build makes it a reliable choice for CNC routers, robotic systems, and automation setups where smooth power transfer and alignment maintenance matter.

✅ Bore diameter: 10-14 mm (0.39-0.55 in); OD: 44.5 mm (1.75 in)
✅ Length: 53 mm (2.09 in); Slot width options: 4 mm (0.16 in) or 5 mm (0.20 in)
✅ Material: 45# steel; Color: Black; Thread sizes: M5×0.8, M6×1.0
✅ Package: 1 x coupling shaft; Tolerance: ±0.1 in

💡 What is a flexible coupling shaft used for in servo motors and CNC machines?

💡 Here’s a handy overview to help you decide.

- handy for absorbing minor misalignment between motor and driven parts - handy in servo and stepper setups, encoders, and screw-drive systems - handy for CNC routers and robotic platforms to improve smooth motion - handy in tight spaces where a simple, durable joint is key