Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	Aluminum Alloy
Elastic Component	Polyurethane Rubber
Bore Diameter Options	5mm, 6mm, 8mm, 10mm
Outer Diameter	25 mm
Total Length	30 mm
Rated Torque	5 N·m
Maximum Speed	4000 RPM
Weight	45 g
Surface Finish	Black Anodized
Included Hardware	4 Set Screws

5 reviews

Anonymous

Apr 09, 2026

Rating: 4/5

Reliable Component

Good for my laser engraver setup. Wish it came with an extra set of screws just in case.

Anonymous

Apr 04, 2026

Rating: 5/5

Reduced Vibration

Excellent damping properties. My engraving results are smoother since installing this coupling.

Anonymous

Mar 29, 2026

Rating: 5/5

Perfect for CNC Router

Works great on my NEMA 23 motor setup. The vibration is noticeably reduced compared to my old rigid coupling.

Anonymous

Mar 16, 2026

Rating: 4/5

Good Quality Build

Solid aluminum build and the elastomer feels durable. Took a bit of effort to align perfectly but works well now.

Anonymous

Feb 14, 2026

Rating: 5/5

Accurate Specifications

Dimensions matched my calipers exactly. Fast shipping and well packaged.

5 FAQ

Q: Is lubrication required for maintenance?

A: No, this coupling is maintenance-free and does not require lubrication.

Q: Does this coupling fit an 8mm motor shaft?

A: Yes, we offer bore sizes including 8mm. Please select the specific size combination at checkout.

Q: What is the operating temperature range?

A: The polyurethane element works best between -20°C and 60°C for optimal performance.

Q: Can it handle speeds above 3000 RPM?

A: Yes, it is rated safely up to 4000 RPM.

Q: Are set screws included in the package?

A: Yes, four set screws are included to secure the coupling to both shafts.

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