Brass Hex Shaft Coupling for DC Gear Motors, 4mm x 30mm
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Description
This 30 mm brass hex shaft coupling connects a 4 mm motor output shaft directly to robot wheels and mechanical assemblies. It provides a firm, reliable mechanical link that prevents slippage in driven drivetrains. It is ideal for learners, makers, and hobbyists building custom wheeled robotics projects.
Reliable drive connection
Featuring an internal hole diameter of 4 mm, this coupler allows DC gear motors to securely drive wheels and custom mechanical linkages.
Durable brass design
Constructed from solid brass, the coupling measures 30 mm in total length with a 12 mm edge-to-edge hexagonal profile.
Fastening specifications
The coupler includes a 4 mm screw aperture on the side to fasten the motor shaft firmly in place.
Specifications
| Device | Shaft Coupling |
| Type | 30mm | Copper Hex |
| Material | Brass |
| Hole diameter | 4 mm |
| Total length | 30mm |
| Size | 12 mm edge to edge |
| The side of the screw aperture | 4mm Screws |
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