Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Couplings
Origin	-
Material	High-Grade Brass
Compatibility	RC Airplanes, Cars, and Metal Models
Function	Motor Shaft Extension and Transmission
Finish	Polished Metallic
Durability	Wear-Resistant Design
Installation	Easy Screw-On Assembly
Weight	Lightweight for Optimal Balance
Precision	CNC Machined Tolerance
Application	Power Transmission Systems
Package Includes	1 x Brass Coupling Shaft

6 reviews

Anonymous

Mar 25, 2026

Rating: 5/5

Top notch for RC applications

Used this on a high-speed RC airplane setup. The brass holds up well against vibration and heat.

Anonymous

Mar 19, 2026

Rating: 4/5

Good quality but tight fit

The material feels very solid. It was a bit tight to install initially, but once secured, it works great for my metal model car.

Anonymous

Mar 15, 2026

Rating: 4/5

Great value for money

Solid piece of hardware. It does exactly what it says. Would recommend checking your shaft diameter before ordering.

Anonymous

Mar 10, 2026

Rating: 5/5

Perfect fit for my RC plane

This brass coupling fits perfectly on my motor shaft. The quality is excellent and it handles the torque without any slipping.

Anonymous

Mar 07, 2026

Rating: 5/5

Reliable and sturdy

I've used several couplings before, but this one stands out for its precision machining. No wobble at high speeds.

Anonymous

Mar 06, 2026

Rating: 5/5

Excellent transmission component

Exactly what I needed for my custom build. The brass construction ensures longevity and smooth power transfer.

5 FAQ

Q: Does it come with screws for installation?

A: The coupling features a set-screw design, but the specific screws are usually pre-installed or included depending on the batch. Check the package contents upon arrival.

Q: Can this be used for gasoline engine models?

A: While primarily designed for electric RC motors, it can be used in small gasoline models if the shaft diameter matches and operating temperatures remain within brass limits.

Q: Is this suitable for high-torque electric motors?

A: Yes, the high-grade brass construction is engineered to handle moderate to high torque levels typical in electric RC motor setups.

Q: What shaft diameters does this coupling support?

A: This specific model is designed for standard 3mm to 5mm motor shafts commonly found in RC vehicles. Please check your specific model requirements.

Q: How do I prevent the coupling from loosening over time?

A: We recommend applying a small amount of thread-locking fluid to the set screws during installation to ensure they remain secure during vigorous operation.

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