FIT0523

            Copper Coupling (4mm) SKU: FIT0523   INTRODUCTION This is a high-quality copper coupling for connecting wheels and motors to facilitate the user to build a robot or small mobile platform motion system. The coupling is fully CNC machined with solid workmanship and high precision. The inner bore is 4mm in diameter and is suitable for DFRobot's rubber wheels as well as a variety of DC gearmotors. The copper material also makes it extremely durable and reliable.   Coupling Dimensions        Adaptable Motors:    Adaptable Motor Dimension Diagram    SPECIFICATION   Material: Brass   Motor Shaft Diameter: 4mm    Dimension: φ11 * mm/φ0.43 * 0.71 inches    Weight: 14g±0.2g  SHIPPING LIST   Copper coupling (4mm) x2   M3 screws x2    M4 Screws x2                                                                                                https://www.dfrobot.com/product‐1707.html 5‐3‐18