Rotatable Universal Steering Shaft U Joint Coupler Set For RC Cars And Robotics, 4mm To 3.17mm Inner Diameter, 2 Pcs Universal Joints With M3 Screws And Spanners, Heavy Duty Steel, Silver Finish
✔️ ID 4 mm to 3.17 mm, OD 9 mm, length 23.5 mm, 45# steel, 2 pcs
These rotatable universal joints are heavy-duty steel connectors designed to transmit torque between shafts in RC cars, robotics, and hobby machines. They allow a controlled amount of angular movement, making it easy to align components in tight spaces. The two-piece set includes M3 screws and spanners for quick, secure assembly.
✅ Outer diameter 9 mm (0.35 in); length 23.5 mm (0.93 in)
✅ Inner diameter 4 mm (0.16 in) to 3.17 mm (0.12 in)
✅ Material: 45# steel with nickel plating for corrosion resistance
✅ Thread size: M3
✅ Includes: 2 universal joints, 4 screws, 2 spanners
✅ Maximum rotation angle: 45 degrees
✅ Application: connects motor shafts to hex wheels, gears, and prop links in RC cars, ships, and robots
💡 What is a universal joint used for in RC cars and robotics?
It’s handy for transmitting torque between angled shafts and absorbing minor misalignment.
- Handles torque transfer between motors and wheels, props, or gears
- Handy for model cars, ships, and robots with tight mounting spaces
- Supports up to 45-degree rotation with stable power delivery