Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	6061 Aluminum Alloy
Surface Treatment	Black Anodized
Shaft Diameter Options	8mm, 10mm, 12mm, 14mm
Outer Diameter	22 mm
Overall Length	30 mm
Weight	18 grams
Set Screw Size	M3
Tolerance	H7 Fit
Package Includes	1 Coupling, 2 Screws, 1 Hex Key
Application	CNC, 3D Printer, Robotics

5 reviews

Anonymous

Apr 02, 2026

Rating: 3/5

Okay Product

Works as intended but the screws were a bit tight to thread initially. Product seems durable though.

Anonymous

Mar 12, 2026

Rating: 5/5

Fast Delivery

Needed this urgently for a repair job. Arrived on time and worked perfectly.

Anonymous

Mar 01, 2026

Rating: 5/5

Exact Fit

No wobble at all. Very precise machining and the set screws hold tight under load.

Anonymous

Feb 27, 2026

Rating: 4/5

Good Value

Works well for my project. There was a slight scratch on arrival but it does not affect functionality.

Anonymous

Feb 05, 2026

Rating: 5/5

Solid Build

Great coupling for my NEMA 17 motor. The machining is precise and there is no wobble during operation.

5 FAQ

Q: Is the aluminum hardened?

A: It is treated for durability suitable for standard motor connections and robotics.

Q: What hex key size is needed?

A: It comes with a 1.5mm hex key included in the package.

Q: Can I return if I pick the wrong size?

A: Yes, returns are accepted within 30 days provided the item is unused.

Q: Does it fit a 10mm shaft?

A: Yes, please select the 10mm option at checkout to ensure the correct fit.

Q: Is this compatible with stepper motors?

A: Yes, it is commonly used for stepper motor shafts in CNC and 3D printing.

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