Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Couplings
Origin	-
Material	High-Grade Aluminum Alloy
Coupling Type	Star Jaw (Spider) Coupling
Torque Capacity	High Torque Transmission
Flex Element	Elastic Polyurethane Star Insert
Application	Servo Motor to Leadscrew Connection
Misalignment Compensation	Angular, Parallel, and Axial
Surface Finish	Black Anodized
Operating Temperature	-30°C to +80°C
Backlash	Low Backlash Design
Mounting Style	Clamping Hub with Set Screws

6 reviews

Anonymous

Mar 16, 2026

Rating: 5/5

High torque handling

I was worried about slippage under high load, but this connector holds up remarkably well. The clamping mechanism is secure and easy to tighten.

Anonymous

Mar 16, 2026

Rating: 5/5

Precise and reliable

Essential component for precision motion control. The low backlash ensures accurate positioning for my 3D printer project. Highly recommended for hobbyists and pros alike.

Anonymous

Mar 16, 2026

Rating: 5/5

Great value for money

Compared to other brands, this offers the same performance at a better price point. The misalignment compensation saved me from having to realign my entire motor mount.

Anonymous

Mar 13, 2026

Rating: 4/5

Solid construction

Very sturdy aluminum alloy. The elastic star insert provides good damping. I deducted one star because the installation instructions were a bit vague, but overall a great product.

Anonymous

Mar 08, 2026

Rating: 4/5

Good replacement part

Replaced an old worn-out coupling with this one. It runs smoother and quieter. The star insert seems durable, though only time will tell how long it lasts under continuous operation.

Anonymous

Mar 07, 2026

Rating: 5/5

Perfect for my CNC upgrade

This coupling fit perfectly between my NEMA 23 servo motor and the leadscrew. The build quality is excellent, and the anodized finish looks professional. No vibration issues so far.

5 FAQ

Q: Can this coupling handle outdoor applications?

A: While the aluminum alloy is anodized for corrosion resistance, prolonged exposure to harsh weather or chemicals is not recommended. It is best suited for indoor industrial or hobbyist environments.

Q: Does this come with the set screws included?

A: Yes, each coupling comes complete with the necessary high-strength set screws and an Allen key for installation.

Q: What sizes are available for the bore diameter?

A: We offer various bore sizes ranging from 5mm to 20mm. Please check the specific variant selector on the product page or contact us for custom sizing options.

Q: Is the elastic star insert replaceable if it wears out?

A: Yes, the polyurethane star insert is designed to be easily replaced without removing the hubs from the shafts, minimizing downtime.

Q: What is the maximum RPM rating for this coupling?

A: This specific model is rated for speeds up to 4000 RPM, making it suitable for most servo motor applications in automation and robotics.

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