Coupling 3mm Hexagon Brass for Motor Shafts and Wheels

This is a high-quality brass 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 3mm in diameter and is suitable for these motors:

It can fit this wheel pretty well.

QUICK SPECS:

• Material: Brass
• Motor Shaft Diameter: 3mm
• Dimension: φ11 * mm/φ0.43 * 0.71 inches
• Weight: 14g±0.2g