Brass 5mm To 5mm Shaft Coupling Set Of 5 Rigid Motor Couplers Transmission Connectors Sleeve Adapters For RC Boats Cars Airplanes And 3D Printers Durable Corrosion Resistant No Rust High Torque Low Inertia No Rotation Gap For Precise Alignment

Brass 5mm to 5mm shaft couplings for hobby motors
✔️ Set of 5 brass rigid couplers with M4 screws included

Brass shaft couplings join motor shafts to threaded rods, delivering reliable torque transfer in tight spaces. These handy couplers are common in 3D printers, RC models, boats, airplanes, and compact CNC setups.

✅ Brass construction resists corrosion, giving long life in humid or salty environments
✅ Bore size: 5mm to 5mm (0.196 in to 0.196 in)
✅ Total size: 22mm x 14mm (0.866 x 0.551 in)
✅ Pack of 5 couplers; includes 20 M4 screws and 2 wrenches
✅ Top tight rigid coupling with high torque and low inertia
✅ No rotation gap for symmetrical angular misalignment

💡 What is a brass shaft coupling used for in precision hobby machines like 3D printers and RC models?

It links motor shafts to threaded rods to transfer motion with solid, dependable alignment. Handy details:

- connects motor shaft to threaded rod for smooth torque transfer in printers and RC models - brass rigid coupling provides corrosion resistance and stable high-torque performance - bore size is 5mm to 5mm (0.196 in to 0.196 in), compatible with common motors and threads - no rotation gap design helps minimize angular misalignment for precise motion