Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Couplings
Origin	-
Material	High-Grade Aluminum Alloy
Outer Diameter	25 mm
Total Length	30 mm
Coupling Type	Elastic Clamping (Jaw)
Shaft Bore Sizes	5, 6, 8, 9, 10, 12 mm
Max Torque Capacity	1.5 N·m
Max Rotational Speed	4000 RPM
Operating Temperature	-20°C to +80°C
Surface Finish	Black Anodized
Application	Winding Motors, Encoders, Lead Screws

6 reviews

Anonymous

Mar 31, 2026

Rating: 5/5

Solved my vibration issues

Replaced a rigid coupling with this elastic version on a winding motor setup. It absorbed the minor misalignment perfectly and significantly reduced vibration noise. Highly recommended.

Anonymous

Mar 30, 2026

Rating: 5/5

Exactly as described

Needed a specific size for a custom 3D printer extruder upgrade. This D25L30 model fit perfectly. The clamping force is strong enough to prevent backlash.

Anonymous

Mar 20, 2026

Rating: 4/5

Good value, precise sizing

Ordered the 8mm to 10mm configuration. Dimensions were spot on according to my calipers. Only giving 4 stars because the set screws could be slightly longer, but overall a great coupling for the price.

Anonymous

Mar 17, 2026

Rating: 4/5

Solid construction

Very sturdy little part. The jaw design allows for good flexibility while maintaining torsional stiffness. Delivery was fast and packaging protected the item well.

Anonymous

Mar 17, 2026

Rating: 5/5

Perfect fit for my CNC encoder

The build quality is excellent. The clamping mechanism holds the shaft securely without any slip, even under varying loads. The aluminum feels robust and the anodizing looks professional.

Anonymous

Mar 11, 2026

Rating: 5/5

Reliable industrial component

We use these in several prototype machines. They are easy to install, require no lubrication, and handle the torque requirements of our small servo motors without issue.

5 FAQ

Q: Do you offer a bulk discount for ordering 50 units?

A: Yes, we offer volume pricing for orders over 20 units. Please contact our sales team directly or add the quantity to your cart to see the automated discount.

Q: Does this coupling come with the set screws included?

A: Yes, all necessary set screws are pre-installed or included in the package for immediate installation.

Q: Can I use this for a shaft that is 7mm?

A: No, this specific model supports bore sizes of 5, 6, 8, 9, 10, and 12mm only. A 7mm shaft would not fit securely.

Q: Is this suitable for high-temperature environments like near an oven?

A: The operating temperature range is -20°C to +80°C. It is not recommended for use in environments exceeding 80°C.

Q: What is the maximum allowable misalignment for this unit?

A: Due to its elastic jaw design, it can accommodate angular misalignment up to 1 degree and parallel misalignment up to 0.2mm.

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