A
Anonymous
Apr 17, 2026
Rating: 5/5
Perfect Fit
Works great on my CNC router. The alignment was spot on and installation was straightforward.
Description
Rigid Aluminum Alloy Coupling, High-Torque Integrated Motor to Leadshaft Direct Connector for Engraving Machines
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | 7075 Aluminum Alloy |
| Outer Diameter | 25 mm |
| Total Length | 30 mm |
| Shaft Diameter A | 5 mm / 6.35 mm / 8 mm |
| Shaft Diameter B | 8 mm |
| Rated Torque | 5 N.m |
| Max Speed | 4000 RPM |
| Surface Finish | Black Anodized |
| Item Weight | 42 grams |
| Compatibility | Stepper Motors, Lead Screws |
5 reviews
A
Anonymous
Mar 13, 2026
Rating: 4/5
Good Value
Does the job well for the price. Shipping took a bit longer than expected but product is solid.
A
Anonymous
Feb 20, 2026
Rating: 5/5
Fast Delivery
Arrived earlier than expected. Well packaged and exactly as described in the listing.
A
Anonymous
Feb 14, 2026
Rating: 5/5
Precise Alignment
Motor runs smoothly now. This coupling eliminated the vibration issues I was having.
A
Anonymous
Jan 28, 2026
Rating: 5/5
Sturdy Construction
Very rigid, no backlash noticed during operation. The aluminum feels high quality.
5 FAQ
Q: What is the return policy?
A: A 30-day return window applies if the item is unused and in original packaging.
Q: Does it include set screws?
A: Yes, set screws are included in the package for secure installation.
Q: What shaft sizes are available?
A: Multiple options are available at checkout, including 5mm, 6.35mm, and 8mm.
Q: Can it handle high heat?
A: Yes, the aluminum alloy dissipates heat effectively during standard operation.
Q: Is this coupling flexible?
A: No, this is a rigid coupling designed for precise alignment without flexibility.
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