Rigid Shaft Coupler For CNC Machines And Stepper Servo Motors Aluminum Clamp 40mm Outer Diameter 50mm Length Beefy Torque No Backlash 8mm 16mm 18mm 20mm 22mm Bore Options 18x18mm Bore 1 Piece

Rigid Aluminum Shaft Coupler for CNC & Servo Motors 40mm OD
✔️ 40mm OD, 50mm length, 8mm-22mm bore options, aluminum clamp, 1 pc

This rigid shaft coupler is an aluminum clamp style device that connects a motor shaft to a driven shaft, delivering rigid torque transfer with zero backlash. It's a common choice for CNC machines, spindles, servo motors, and stepper motor systems where precise alignment and durability matter.

✅ Outside diameter 40mm; length 50mm; material aluminum alloy
✅ Bore options: 8mm, 16mm, 18mm, 20mm, 22mm; includes 18x18mm bore
✅ No backlash and high torsional rigidity for high speed rotation
✅ Suitable for CNC machines, servo motors, spindles, and stepper motors
✅ Pack: 1 piece per order

💡 What is a rigid shaft coupler used for in CNC machines and motion control?

It is used to join motor shafts to driven shafts with minimal play, enabling precise torque transfer. - Handy for aligning drive trains in CNC and robotics
- Improves accuracy and repeatability in servo and stepper motor setups
- Works with bore options from 8mm to 22mm in aluminum clamp designs