Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	Brass
Color	Gold
Shaft Diameters	2mm, 3mm, 4mm, 5mm, 6mm
Outer Diameter	8mm
Total Length	25mm
Surface Finish	Polished
Package Contents	5 Pieces per Set
Item Weight	15 grams
Compatibility	DC Motors, RC Cars, Robotics
Country of Origin	China

5 reviews

Anonymous

Mar 19, 2026

Rating: 5/5

Good quality

Solid brass, feels durable. Exactly as described.

Anonymous

Mar 15, 2026

Rating: 5/5

Exactly as described

Fast shipping and the sizing was accurate for my motor.

Anonymous

Feb 16, 2026

Rating: 5/5

Essential for DIY

Very sturdy coupling. Using them for a robotics arm.

Anonymous

Feb 07, 2026

Rating: 4/5

Good value

One was slightly loose but others were fine. Good price.

Anonymous

Feb 01, 2026

Rating: 5/5

Perfect fit

Worked great for my RC project. No slipping under load.

5 FAQ

Q: What is the total length?

A: The total length of the coupling is 25mm.

Q: Can it handle high torque?

A: Suitable for small DC motors and standard hobbyist torque levels.

Q: Does this fit a 3mm shaft?

A: Yes, please select the 3mm option from the variant menu.

Q: Do you sell bulk quantities?

A: Please contact our support team for bulk order pricing.

Q: Is it set screw or friction fit?

A: It features a grub screw for secure locking on the shaft.

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