Durable brass shaft coupling 2mm to 5mm for RC models and robotics, four pack with M3 screws, a rigid sleeve adapter that securely links motor shafts to props, gears or wheels, 9mm outer diameter, 20mm length, rust and wear resistant
✔️ 9 mm OD, 20 mm long, inner 2 mm to 5 mm, brass rigid sleeve, M3 screws included
This brass shaft coupling joint is a rigid sleeve adapter designed to connect motor shafts to components like propellers, gears, wheels, and other RC model drive systems. It’s ideal for RC cars, planes, boats, robots, and light mechanical projects where a solid, precise link is needed.
✅ Material: Brass
✅ Thread size: M3
✅ Outer Diameter: 9 mm (0.3 in)
✅ Length: 20 mm (0.79 in)
✅ Inner Diameter: 2 mm to 5 mm (0.08 in to 0.20 in)
✅ Includes: 4 shaft couplers and 8 screws
💡 What is a brass shaft coupling used for in RC models and robotics? This handy connector is used to transfer torque and maintain shaft alignment across various drive systems. - connects motor shafts to wheels or propellers - helps keep shafts aligned under load - brass resists corrosion for longer life