A pair of aluminium adapters that convert a 3 mm diameter motor shaft to a 12 mm hex output, compatible with standard hobby RC wheels. Each adapter is 17 mm long and secured to the shaft with M3 set screws for a firm grip.

Key Features

• 3 mm to 12 mm Hex Conversion – Mount standard RC wheels on 3 mm motor shafts
• Aluminium Construction – Lightweight and durable
• Set Screw Mounting – Two M3 set screws per adapter for secure shaft attachment
• 17 mm Length – Compact profile

Ideal For

• Robotics projects using micro gearmotors with 3 mm output shafts
• Mounting hobby RC wheels on custom chassis
• Pololu micro metal gearmotors and similar 3 mm shaft motors

Package Contents

• 2× 12 mm Hex Wheel Adapters (for 3 mm shaft)
• 2× M4 screws (for securing wheels to adapters)
• 4× M3 set screws (for securing adapters to shafts)
• 1× 1.5 mm Allen wrench