Brass Hex Shaft Motor Coupling, 8 mm ID, 18 mm Length

This 8 mm brass shaft coupling connects a DC gear motor directly to a wheel or tyre. Machined from durable brass, it provides a dependable mechanical link for custom mobile robot platforms. It is ideal for students, makers, and hobbyists building wheeled robotics projects.

Reliable wheel attachment

This coupling connects a DC gear motor output shaft to a wheel or tyre, transferring rotational power efficiently.

Solid brass construction

Machined from solid brass with an overall length of 18 mm and an inside diameter of 8 mm, weighing approximately 36 g.

Mounting hardware included

The coupling includes one 3x6 screw and one 4x8 screw to secure the assembly in place.

Typical uses

Ideal for DIY robotics chassis, educational STEM vehicle builds, and custom motorized platforms.