8Mm To 6.35Mm Shaft Coupling With 25Mm Length And 18Mm Diameter Aluminum Alloy Stepper Motor Coupler For 3D Printers CNC Machines DIY Encoders Pack Of 2 Smooth Coiling Set Screws For Secure Low Backlash Drive

Aluminum 8mm-to-6.35mm Shaft Coupler, 25x18mm, Pack of 2
✔️ Aluminum alloy beam coupler, 25x18mm, 8mm-6.35mm, set screws

Compact aluminum shaft couplers connect 8 mm to 6.35 mm shafts, offering zero-backlash performance for light to medium duty drives. They’re commonly used on 3D printers, CNC machines, encoders, and other small drive systems where reliable torque transfer matters.

✅ 8mm to 6.35mm shaft compatibility (0.31 in to 0.251 in)
✅ Size 25x18 mm (LxD) / 0.98x0.71 in
✅ Material: aluminum alloy; color: silver
✅ Set screw clamping (coiling) design for zero backlash
✅ Weight: 32 g per piece; pack of 2 included

💡 What is a shaft coupling used for in compact drive systems? A handy connector that helps transfer motion while absorbing small misalignments. - Relieves angular and parallel shaft misalignment - Reduces backlash during torque transfer - Fits 8 mm to 6.35 mm shafts and 25x18 mm body - Widely used in 3D printers, encoders, and light CNC routes