Two Pack 5Mm To 5Mm Aluminum Shaft Coupling Connector 25Mm Length Rigid Joint For Motors 3D Printer DIY Robot Projects With Hex Wrench Ideal For Machines CNC Tools Robotics Projects And DIY Setups

Two-Pack Aluminum Shaft Coupling, 20mm OD, 5mm ID, 25mm L
✔️ 2 x rigid aluminum shaft couplers with 1 hex wrench included

This aluminum shaft coupling connects two shafts so they rotate together, transmitting torque. It's ideal for DIY CNC machines, 3D printers, robotics, and other lightweight power transfer setups.

✅ Outer Diameter: 20mm (0.79 in)
✅ Inner Diameter: 5 to 5 mm
✅ Length: 25mm (1.0 in)
✅ Material: Aluminum Alloy
✅ Color: Silver
✅ Package: 2 x Rigid Shaft Coupler Joint, 1 x Hex Wrench

💡 What is a shaft coupling used for in mechanical power transmission systems? In short, it joins two shafts to transfer torque while keeping alignment.
- transfers torque between connected shafts
- helps dampen minor misalignment and shaft runout
- suited for hobby CNC, 3D printers, robotic projects
- built from durable aluminum alloy for strength