Hex Coupler 3mm/4mm/5mm Bore Motor Hex Brass Shaft Coupling Flexible Connector for Car Wheel Tires Shaft Motor

These 18 mm long brass adapters convert 3mm, 4mm and 5mm diameter shaft to a 12mm hexagon shaft that is compatible with many common hobby RC wheels. The set includes adapter, M4 screws for securing wheels to the adapters, M4 set screws for securing the adapters to motor shafts.

Features:

1.Material: Made of pure brass, sturdy, reliable and strictly functional.
2.Function: A special coupler, used for connecting the motor shaft and the hexagon wheel of the robot, toy cars, and other models.
3.Use: Suitable for model shaft connection, perfect accessories for RC Model motor, etc.
4.Feature: Durable and insulation, make your shaft more stable, easy to install and replace.

General Specification:

• Shaft Diameter: ∅3mm / 4mm / 5mm
• Suitable for 68mm rubber wheels.
• Round Rod Diameter: Ø11.5~∅12 mm.
• Body Length: 18mm.
• Hexagon Head Size: 12mm (Edge to Edge).
• Hex Head Screw: M4.
• Shaft Set Screw: M4.
• Material: Brass.

What you will receive: