10 PCS RC Boat Propeller Adapter Sleeve Brass Shaft Converter 4mm to 3mm Bore Reducer Bushing 8mm Length Precision Fitting for Model Boat

Description

• Brass propeller adapter sleeve converts 4mm prop bore to 3mm shaft.
• Measures 8mm in length, 4mm outer diameter, 3mm inner diameter.
• Precision-machined brass construction for durability and corrosion resistance.
• Ideal for RC model boat propulsion system upgrades.
• Ensures smooth fit and reliable alignment between propeller and shaft.

This RC boat propeller adapter sleeve is designed to convert a 4mm propeller bore to a 3mm shaft, making it ideal for model boat propulsion system upgrades. The adapter measures 8mm in length, with an outer diameter of 4mm and an inner diameter of 3mm, ensuring precise alignment between the propeller and drive shaft.

Made from high-quality brass, the sleeve provides excellent strength, wear resistance, and corrosion protection for marine environments.

Perfect for use in RC scale boats, speedboats, and electric or nitro models requiring shaft size conversion.

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