A
Anonymous
Apr 13, 2026
Rating: 5/5
Fast Shipping
Part arrived quickly and works as expected.
Description
Brass Coupling Shaft Transmission Component Motor Extension Connector for Metal Models RC Aircraft and Cars
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | Brass |
| Outer Diameter | 8 mm |
| Inner Diameter | 3 mm |
| Total Length | 25 mm |
| Net Weight | 5 g |
| Color | Golden |
| Thread Standard | Metric |
| Package List | 1 x Coupling |
| Surface Finish | Polished |
| Usage | RC Model Transmission |
5 reviews
A
Anonymous
Apr 07, 2026
Rating: 5/5
Perfect Fit
Fits my 3mm shaft perfectly. No slipping during operation.
A
Anonymous
Mar 04, 2026
Rating: 4/5
Good Quality
Solid brass, nice weight. Slightly tight fit initially.
A
Anonymous
Feb 24, 2026
Rating: 5/5
Durable
Holding up well under stress on my RC car.
A
Anonymous
Feb 21, 2026
Rating: 4/5
Nice Part
Good value for the price. Machining is clean.
5 FAQ
Q: Is this made from solid brass?
A: Yes, it is constructed from solid brass material.
Q: Will this fit a 4mm motor shaft?
A: No, this model is specifically for 3mm shafts.
Q: What is the inner diameter size?
A: This coupling has a 3mm inner diameter.
Q: Can this handle high torque applications?
A: Yes, it is designed for standard RC motor torque.
Q: Are set screws included in the package?
A: Yes, small set screws are included for installation.
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