5 Pack Universal Rotatable Steering Shaft U Joint Coupling for RC Car Robot Crawler Boat 3mm To 3mm Metal Built Tough 360 Degree Universal Joint For Direct Axis Motors And Small Brushless Motors Heavy Duty
✔️ 360° rotatable metal joint, 3-6 mm sizes, screws included
These universal rotatable joints are built for direct-axis motors in RC cars, robots, crawlers, and boats. They provide reliable torque transfer with full 360-degree rotation and come in multiple shaft sizes to fit common builds. Pack includes 5 joints plus screws for easy installation.
✅ 360° rotatable universal joint for flexible alignment
✅ Heavy-duty metal construction for rugged use in RC and robotics
✅ Direct-axis motor compatibility suitable for small brushless motors
✅ Size options: 3mm-3mm, 3.17mm-4mm, 4mm-4mm, 4mm-5mm, 5mm-5mm, 6mm-6mm
✅ Includes 10 holding screws with 5 joints for quick setup
✅ Silver finish, lengths 23 mm or 24 mm depending on size
💡 What is a universal joint used for in RC cars and robotics projects?
It is a handy connector that transmits motion while accommodating misalignment in tight spaces.
- flexible torque transfer for RC car and robot linkages- handy for direct-axis motors and small brushless setups
- supports 3-6 mm shafts with M3 or M4 screws
- quick, DIY-friendly install for common hobby systems