Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	Aluminum Alloy & Polyurethane
Outer Diameter	25 mm
Length Options	30/35/40/45/66 mm
Bore Diameter	5/6/6.35/8/10/12/14 mm
Rated Torque	50 N·m
Max Speed	4000 RPM
Temperature Range	-20°C to 80°C
Surface Treatment	Black Anodized
Fixation Type	Set Screws
Compatibility	CNC Motors and Lead Screws

5 reviews

Anonymous

Apr 04, 2026

Rating: 5/5

Exact dimensions

Measured the bore and it was exactly 8mm as ordered. Very precise.

Anonymous

Mar 26, 2026

Rating: 5/5

Perfect fit for CNC

This coupling fit my lead screw perfectly. No vibration issues so far.

Anonymous

Feb 11, 2026

Rating: 4/5

Works well

Using it on a NEMA 23 motor setup. Holds torque well under load.

Anonymous

Feb 05, 2026

Rating: 5/5

Reduced vibration

Noticed a significant decrease in noise after installing this star coupling.

Anonymous

Feb 02, 2026

Rating: 4/5

Good quality

Solid build quality. The set screws were a bit tight but manageable.

5 FAQ

Q: Is the 6.35mm bore available?

A: Yes, please select the 6.35mm option from the dropdown menu before ordering.

Q: What material is the spider made of?

A: The elastic spider is made of durable polyurethane for flexibility.

Q: Does this include set screws?

A: Yes, the package includes the necessary set screws for installation.

Q: Can this handle high RPM?

A: It is rated for up to 4000 RPM, suitable for most engraver applications.

Q: Does it compensate for misalignment?

A: Yes, the star design allows for minor angular and parallel misalignment.

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