A
Anonymous
Apr 16, 2026
Rating: 4/5
Good value
Works well for the price. Had to tighten screws twice after initial run-in.
Description
Integrated Rigid Coupling for Engraving Machines and Mixers, High-Strength High-Torque Steel Direct Connector
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | 6061 Aluminum Alloy |
| Surface Treatment | Black Anodized |
| Coupling Type | Integrated Rigid |
| Bore Diameter | 5mm / 6mm / 8mm / 10mm |
| Outer Diameter | 25 mm |
| Total Length | 50 mm |
| Rated Torque | 50 N·m |
| Fixation Method | Set Screw |
| Item Weight | 145 grams |
| Package Includes | 1 x Coupling, 4 x Set Screws |
5 reviews
A
Anonymous
Mar 21, 2026
Rating: 5/5
Solid build quality
The anodizing is smooth and the screws are high grade. Fits my 8mm shaft perfectly.
A
Anonymous
Feb 13, 2026
Rating: 5/5
Fast delivery
Part arrived quickly and was packaged well. No damage to the coupling.
A
Anonymous
Jan 28, 2026
Rating: 5/5
Exactly as described
Used for a small mixer project. Handles the torque without slipping.
A
Anonymous
Jan 28, 2026
Rating: 5/5
Perfect for my CNC router
Installed this on my stepper motor shaft. Zero backlash and very sturdy. Highly recommend for precision work.
5 FAQ
Q: Can I use this for high RPM?
A: It is balanced for standard CNC speeds up to 4000 RPM.
Q: Is there any flexibility?
A: No, this is a rigid coupling designed for direct alignment.
Q: Does this come with screws?
A: Yes, set screws are included in the package.
Q: Will this fit a 12mm shaft?
A: Please check bore options, 12mm is not currently available for this model.
Q: What is the hardness?
A: The material is treated to standard industrial hardness specifications.
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