Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	Aluminum Alloy 6061
Spider Element	Polyurethane Rubber
Surface Finish	Black Anodized
Coupling Style	Three-Jaw Star Type
Shaft Diameter A	5mm / 6mm / 8mm Options
Shaft Diameter B	5mm / 6mm / 8mm Options
Outer Diameter	25 mm
Total Length	30 mm
Rated Torque	5 N·m
Max Rotational Speed	4000 RPM

5 reviews

Anonymous

Apr 13, 2026

Rating: 5/5

Perfect for my CNC axis

Installed on my Z-axis stepper. No vibration and very smooth operation. The aluminum feels high quality.

Anonymous

Apr 11, 2026

Rating: 5/5

High quality aluminum

Feels very solid. Screws are good quality too. Fit my NEMA 23 motor perfectly.

Anonymous

Mar 28, 2026

Rating: 5/5

Reliable coupling

Using in production environment, no failures yet. Handles minor misalignment well.

Anonymous

Feb 01, 2026

Rating: 5/5

Exact specifications

Measured with calipers, dimensions are accurate. No runout noticed at high speeds.

Anonymous

Jan 27, 2026

Rating: 4/5

Good value

Works well for my project but shipping took a week longer than expected. Product itself is great.

5 FAQ

Q: Does this come with screws?

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

Q: Can it handle misalignment?

A: Yes, it handles up to 0.5mm radial misalignment effectively.

Q: What size for NEMA 17?

A: Typically 5mm shaft, please check your motor spec before ordering.

Q: Do you ship internationally?

A: Yes, we ship worldwide via standard courier services.

Q: Is the spider replaceable?

A: Yes, the elastomer element can be replaced if worn out.

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