
Flexible Coupling Shaft 18mm To 25mm Bore 51mm Length 44mm Outer Diameter Motor Coupler Joint Built Tough For Servo Motors And Encoders 45 Steel Construction With 6mm Or 8mm Slot Width Fits Your Machine Platform
Flexible Coupling Shaft 18mm To 25mm Bore 51mm Length 44mm Outer Diameter Motor Coupler Joint Built Tough For Servo Motors And Encoders 45 Steel Construction With 6mm Or 8mm Slot Width Fits Your Machine Platform
Original: $51.54
-65%$51.54
$18.04The Story
✔️ Single pack: Bore 18-25mm, OD 44mm, 6/8mm slots, M6/M8 threads
The coupling shaft is a rugged 45# steel joint designed to connect servo motors, steppers, encoders, screw drives, and machine platforms. This compact link helps transmit torque smoothly while absorbing minor misalignment in typical automation and robotics setups.
✅ Material: 45# steel for strength✅ Bore range: 18-25 mm (0.71-0.98 in)
✅ Length: 51 mm (2.01 in)
✅ Outside diameter: 44 mm (1.73 in)
✅ Slot width options: 6 mm (0.24 in) or 8 mm (0.31 in)
✅ Thread sizes: M6x1 or M8x1.25
✅ Color: Black
✅ Package: 1 x coupling shaft
💡 What is a flexible coupling shaft used for in servo motor and encoder systems? This handy, sturdy link keeps torque flowing and protects components.
- Connects servo motors and encoders with a forgiving tolerance to misalignment - Absorbs shock and vibration to extend bearing life - Made from 45# steel for durability in robotics and automation setups
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
✔️ Single pack: Bore 18-25mm, OD 44mm, 6/8mm slots, M6/M8 threads
The coupling shaft is a rugged 45# steel joint designed to connect servo motors, steppers, encoders, screw drives, and machine platforms. This compact link helps transmit torque smoothly while absorbing minor misalignment in typical automation and robotics setups.
✅ Material: 45# steel for strength✅ Bore range: 18-25 mm (0.71-0.98 in)
✅ Length: 51 mm (2.01 in)
✅ Outside diameter: 44 mm (1.73 in)
✅ Slot width options: 6 mm (0.24 in) or 8 mm (0.31 in)
✅ Thread sizes: M6x1 or M8x1.25
✅ Color: Black
✅ Package: 1 x coupling shaft
💡 What is a flexible coupling shaft used for in servo motor and encoder systems? This handy, sturdy link keeps torque flowing and protects components.
- Connects servo motors and encoders with a forgiving tolerance to misalignment - Absorbs shock and vibration to extend bearing life - Made from 45# steel for durability in robotics and automation setups






















