Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | Aluminum Alloy 7075 |
| Surface Treatment | Black Anodized |
| Operating Temperature | -20°C to 80°C |
| Rated Torque | 50 N·cm |
| Max Speed | 10,000 RPM |
| Bore Diameter Range | 5mm to 10mm |
| Coupling Type | Single Diaphragm |
| Keyway Configuration | Available upon request |
| Manufacturing Location | Dongguan, Guangdong |
| Item Weight | 150 grams |
Anonymous
Apr 06, 2026
Rating: 5/5
Excellent torque transmission
Using this for a stepper motor setup. It handles the torque well without flexing too much. Very satisfied with the performance.
Anonymous
Apr 06, 2026
Rating: 4/5
Good quality alloy
Solid build quality and precise machining. Shipping took a bit longer than expected, but the product itself meets specifications.
Anonymous
Apr 03, 2026
Rating: 5/5
Precise keyway cut
The keyway option was machined precisely. Made installation on the lead screw very straightforward. Highly recommend for precision applications.
Anonymous
Feb 03, 2026
Rating: 5/5
Perfect for my CNC project
Fit perfectly on my NEMA 23 motor. The aluminum alloy feels very durable and the anodizing is smooth. No backlash noticed during testing.
Anonymous
Jan 19, 2026
Rating: 4/5
Reliable component
Works well with lead screws. Noticed slight vibration at max speed, but within normal range for this type of coupling. Good value.
Q: Where does this product ship from?
A: All units are manufactured and shipped directly from our facility in Dongguan, Guangdong.
Q: Does this coupling fit a NEMA 17 motor shaft?
A: Yes, provided you select the appropriate bore diameter variant that matches the 5mm shaft of the NEMA 17 motor.
Q: What is the maximum RPM this can handle safely?
A: The maximum rated speed is 10,000 RPM. We recommend operating below 8,000 RPM for extended longevity.
Q: Does this require regular lubrication or maintenance?
A: No, the diaphragm coupling is designed to be maintenance-free and does not require lubrication during normal operation.
Q: Can I order this with a double diaphragm instead of single?
A: Yes, we offer both single and dual diaphragm options. Please select the specific variant from the dropdown menu before ordering.
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