Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | Aluminum Alloy 7075 |
| Surface Treatment | Black Anodized |
| Coupling Type | Double-Disc Flexible |
| Bore Diameter Options | 5mm, 6mm, 8mm, 10mm, 12mm |
| Outer Diameter | 25 mm |
| Overall Length | 30 mm |
| Rated Torque | 5 N·m |
| Max Rotation Speed | 10,000 RPM |
| Keyway Standard | DIN 6885 J9 |
| Package Contents | 1 Coupling, 4 Set Screws |
Anonymous
Apr 02, 2026
Rating: 4/5
Works well for lead screws
Make sure to measure your shaft diameter accurately before ordering. Once installed, it works smoothly with my lead screw setup.
Anonymous
Mar 07, 2026
Rating: 5/5
Fast delivery
Exactly as described in the listing. Arrived quickly and was well packaged to prevent damage during shipping. Will buy again.
Anonymous
Feb 22, 2026
Rating: 5/5
Sturdy build quality
No vibration noticed during operation. The anodizing looks professional and the set screws hold firmly. Highly recommend for servo applications.
Anonymous
Feb 17, 2026
Rating: 5/5
Great precision for CNC
Used this on my CNC router spindle. The keyway fits perfectly and there is no vibration at high speeds. Very satisfied with the build quality.
Anonymous
Feb 03, 2026
Rating: 4/5
Good value but tight fit
The coupling is sturdy and well-made. It was slightly tight on the shaft initially but settled in after use. Good value for the price.
Q: Can this handle significant axial load?
A: This coupling is primarily designed for torque transmission and misalignment compensation, not heavy axial loads.
Q: Are set screws included in the package?
A: Yes, four set screws are included with each coupling to ensure secure installation.
Q: What is the keyway tolerance on this coupling?
A: The keyway follows standard DIN 6885 J9 tolerance specifications for precise fitment.
Q: Is this suitable for 3D printer extruders?
A: Yes, this coupling is commonly used for connecting stepper motors to lead screws in 3D printer builds.
Q: Does this fit a NEMA 23 motor shaft?
A: Yes, provided you select the bore size that matches your specific NEMA 23 shaft diameter, typically 6.35mm or 8mm.
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