Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	Aluminum Alloy 6061
Outer Diameter	12 mm
Overall Length	14 mm
Coupler Type	Parallel Line Helical
Surface Treatment	Black Anodized
Rated Torque	0.5 N·m
Shaft Diameter	5 mm x 5 mm
Item Weight	7.5 grams
Application	CNC, 3D Printer, Robotics
Package Includes	1 x Coupling, 2 x Set Screws

5 reviews

Anonymous

Apr 09, 2026

Rating: 5/5

High quality aluminum

Very sturdy and lightweight. Great for reducing inertia.

Anonymous

Mar 30, 2026

Rating: 4/5

Good value

Works well but screws were a bit loose upon arrival.

Anonymous

Mar 02, 2026

Rating: 5/5

Exact dimensions

Measured exactly 12x14mm as stated in the description.

Anonymous

Feb 27, 2026

Rating: 5/5

Perfect for my CNC build

Fit perfectly on my NEMA 17 motor. Very precise alignment.

Anonymous

Feb 22, 2026

Rating: 5/5

Smooth operation

No vibration noticed after install. Highly recommend.

5 FAQ

Q: Does this fit a 8mm shaft?

A: Please check our other listings for 8mm bore options.

Q: Is this flexible enough for misalignment?

A: Yes, the helical design allows for minor parallel misalignment.

Q: What is the max RPM?

A: Recommended for use up to 3000 RPM.

Q: Do you ship internationally?

A: Yes, we ship to most countries worldwide.

Q: Are set screws included?

A: Yes, two set screws are included in the package.

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