A
Anonymous
Apr 12, 2026
Rating: 4/5
Good Value
Works as expected. Installation was straightforward though the set screws could be slightly longer.
Description
Aluminum Alloy Elastic Diaphragm Coupling Stepped Flange Single/Double Diaphragm High-Torque Keyway Motor Flexible Coupling
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | Aluminum Alloy 7075 |
| Coupling Type | Single/Dual Diaphragm |
| Bore Range | 5mm to 20mm |
| Rated Torque | 15 Nm |
| Maximum Speed | 10000 RPM |
| Misalignment Tolerance | 1.5 Degrees Angular |
| Surface Treatment | Black Anodizing |
| Operating Temperature | -20C to 80C |
| Keyway Standard | DIN 6885 Type A |
| Package Weight | 0.2 kg |
5 reviews
A
Anonymous
Apr 04, 2026
Rating: 5/5
Solid Construction
The aluminum feels very high quality. Anodizing is smooth and the keyway fits perfectly.
A
Anonymous
Mar 24, 2026
Rating: 5/5
Perfect for CNC Retrofit
Installed this on my milling machine spindle. The runout is negligible and it handles the torque without vibration.
A
Anonymous
Mar 08, 2026
Rating: 5/5
High Precision
Using this for a stepper motor setup. No backlash noticed during operation. Very satisfied.
A
Anonymous
Feb 27, 2026
Rating: 5/5
Fast Shipping
Product arrived well packaged. The coupling is exactly as described in the specs.
5 FAQ
Q: Does this require lubrication?
A: No, the diaphragm design is maintenance-free and does not require lubrication.
Q: Can it handle axial movement?
A: Yes, it accommodates limited axial movement while transmitting torque.
Q: What is the maximum operating temperature?
A: The coupling is rated for continuous operation between -20C and 80C.
Q: Is the keyway pre-cut?
A: Yes, the keyway is machined according to DIN standards for immediate use.
Q: What bore sizes are available?
A: We offer standard bores from 5mm to 20mm. Custom sizes may be requested.
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