A
Anonymous
Apr 21, 2026
Rating: 5/5
Exactly as described
Fast shipping and item matches description perfectly. No issues.
Description
Rigid Coupling Brass Shaft Connector 3mm One-Piece Clamping Transmission Accessory for DIY
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | Brass |
| Shaft Diameter | 3mm |
| Outer Diameter | 8mm |
| Overall Length | 25mm |
| Coupling Style | Rigid Clamp |
| Surface Finish | Polished |
| Item Weight | 12 grams |
| Screw Size | M2 Set Screws |
| Application | Robotics, CNC |
| Pack Size | 1 Unit |
5 reviews
A
Anonymous
Apr 18, 2026
Rating: 5/5
Perfect Fit
Works great for my 3mm motor shaft. Very sturdy and easy to install.
A
Anonymous
Apr 03, 2026
Rating: 5/5
Great for DIY
Using this for a small robot arm. No slip during operation.
A
Anonymous
Mar 24, 2026
Rating: 5/5
Good Quality
Brass feels solid. Screws held tight under moderate load.
A
Anonymous
Mar 21, 2026
Rating: 4/5
Good but tight
Had to file the inside slightly for a smooth fit. Otherwise good product.
5 FAQ
Q: Can I return it?
A: Yes, standard return policy applies if unused.
Q: Is it suitable for steel shafts?
A: Yes, it works securely with steel shafts of 3mm diameter.
Q: Is it solid brass?
A: Yes, it is made from solid brass material.
Q: What is the max RPM?
A: Recommended for low to moderate RPM applications only.
Q: Does it come with screws?
A: Yes, two set screws are included in the package.
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