Winwill 6Pcs 3mm to 3mm Universal Joints, Rotatable Universal Steering Shaft U Joint Coupler for RC Boat Car

• Size: Inner Diameter: 3mm to 3mm; Length: 13mm/0.51 inch; Outer Diameter: 7mm/0.28 inch; Color: Silver Tone.
• Durable: Our universal joint is crafted from high-quality pure copper, ensuring durability and long-term use.
• Versatile Application: This coupling universal joint is ideal for various applications, including servo motor systems, 3D printers, CNC machines, DIY encoders, and more.
• Function: The purpose of our universal joint is to securely connect the driving shaft and the driven shaft, allowing them to rotate together and transmit motion and torque effectively.
• Package include: includes 6Pcs 3mm to 3mm universal joints, 12Pcs M2 screws, and 1Pc M2 wrench.

Application: Universal joint coupling adopts a special coupler, used for connecting the motor shaft and the hexagon wheel of the robot, and other DIY models. Ideal for rc model motor,widely used in model shaft connection.compatible with 1/24 1/18 RC car boat,DIY airplane ,model sailing boat,popular science model transmission,etc. Feature: Thread Size: M2 Inner Diameter: 3mm to 3mm Length: 13mm/0.51 inch Outer Diameter: 7mm/0.28 inch