Red Aluminum 5mm To 5mm Rigid Shaft Coupler With Set Screw 20mm Length And 12mm Outer Diameter Two Pack Ideal For 3D Printers CNC Machines Blowers And DIY Robots High Precision Mechanical Coupling

Red 5mm-to-5mm Aluminum Rigid Shaft Coupler, 20x12mm, 2-Pack
✔️ 5mm to 5mm rigid clamp coupler, 20mm length, 12mm OD

The aluminum alloy rigid shaft coupler is designed to join two 5 mm shafts in compact drive systems. It’s a common fit in 3D printers, CNC machines, blowers, and DIY robots, delivering solid torque transfer with minimal backlash. Includes 2 pieces per pack.

✅ Material: Aluminum alloy
✅ Color: Red
✅ Connection: 5 mm to 5 mm, 20 mm length, 12 mm OD
✅ Includes: 8 M4 screws
✅ Type: Top tight rigid coupling with set screws
✅ Through angle: 180 degrees

Dimension	Metric	Inch
Connection diameter	5 mm to 5 mm	0.20 in to 0.20 in
Total length	20 mm	0.78 in
Outside diameter	12 mm	0.47 in

💡 What is a rigid shaft coupler used for in small drive systems?

These handy adapters are used to join two shafts in compact drive trains for solid torque transfer.

• Useful in 3D printers, CNC machines, and hobby robotics
• Clamp-style screws create a secure grip and precise alignment
• Easy to install with included M4 screws