6mm Wheel Connector / DC Gear Motor Hex Coupling with Screws

6mm Hex Coupling for Robot Smart Car Wheel – Brass – 18mm Length

This durable connector is designed for reliable motor shaft coupling and smooth torque transfer in robotics projects. Its precise fit supports both 6mm shaft coupling setups and compact wheel mechanisms, making it suitable for DIY robotic systems and smart vehicles. Builders who work with custom wheel mounts often rely on this part when assembling 6mm motor shaft coupler configurations. Because of its solid brass build, this motor  coupling maintains stable rotation during long-term operation. The strong machining ensures proper alignment, which helps create a dependable 6mm shaft coupling connection. Users designing prototypes benefit from the secure fit found in a 6mm motor shaft coupler, allowing consistent torque transfer between the motor and wheel hub. Additionally, the compact structure ensures that the motor shaft coupling integrates smoothly into robotic car chassis without requiring special tools. This brass connector also supports lightweight motor assemblies where accuracy is essential. Its design makes it ideal for projects involving smart cars and educational STEM robots, as the 6mm shaft coupling format is commonly used across various DC geared motors. Users looking for a versatile 6mm motor shaft coupler will appreciate its stability and simple installation, ensuring that the motor shaft coupling performs reliably even in continuous-use applications.

Technical Details

• Item Type: Coupling / Shaft Connector
• Material: Brass
• Inner Diameter (Motor Side): 6 mm
• Outer Hex Diameter: 12 mm
• Thread Size (Top): M4
• Body Length: 12 mm
• Hex Height: 6 mm
• Total Length: 18 mm
• Weight: 14 g
• Set Screw Type: M3 Grub Screw

Features

• High-strength brass construction for superior durability
• Hexagonal outer design ensures secure wheel attachment
• Compact 18mm size ideal for small robotic assemblies
• Easy installation with no special maintenance needed
• Smooth motor torque transfer to the wheel hub

Applications

• Smart car and robot wheel coupling
• DIY and educational robotics projects
• Automation and mini vehicle prototypes
• Motor-to-wheel power transmission systems

Physical Attributes

• Color: Golden (Brass Finish)
• Material: Brass
• Shape: Hexagonal
• Compatible Motor Shafts: 6mm diameter (Johnson Motor, BO Motor, Encoder Motor)
• Operating Torque Range: Suitable for low-power DC geared motors

Package Includes

• 1 × 6mm Hex Coupling – Brass – Short Type – 18mm Length