6.35 X 12.7mm Flexible Shaft Coupling 1/4 X 1/2 Inch CNC Rigid Aluminum Coupler D25mm L30mm Shaft Connector For CNC Machining And Rotary Tools Pro Grade Easy Install Lightweight Yet Tough Precise Alignment

Rigid Aluminum CNC Shaft Coupler 6.35x12.7mm (1/4x1/2")
✔️ D25mm outer diameter, L30mm; bore 6.35×12.7mm (1/4×1/2"), 1 pc

This compact, lightweight aluminum shaft coupling connects motors to CNC spindles or rotary tools, delivering precise torque transmission and easy installation for DIY CNC setups or professional machining stations.

✅ Bore: 6.35×12.7mm (1/4×1/2"), standard CNC drive shaft compatibility
✅ Outside diameter: 25mm (0.984"), length: 30mm (1.18")
✅ Material: aluminum alloy, lightweight yet rigid for precise alignment
✅ Package: 1 x Coupler

💡 What is a shaft coupling used for in CNC and rotary tool setups?

This handy piece helps connect a motor and driven shaft while keeping them in precise alignment. - Transmits torque between shafts with minimal backlash - Suppresses minor misalignment and vibration in small machines - Works with bore 6.35×12.7mm (1/4×1/2") and OD 25mm, L30mm parts - Ideal for DIY CNC rigs and lightweight production runs