Brass Shaft Coupling 3mm To 4mm Kit For RC Models With Screws And Hex Wrench 10 Pieces Durable Brass Connector Linking Motor Shafts To Wheels Or Drive Gears For Smooth Power Transfer And Reliable Performance In RC Cars And Robots

Brass Shaft Coupling 3-4mm Kit for RC Models
✔️ 3-4 mm hole, 9 mm OD, 20 mm tall, 10 pcs with screws

The Brass Shaft Coupling is a sturdy brass connector that links motor shafts to wheels or drive gears in RC cars, robots, and other model builds. It ensures smooth power transfer and reliable performance in hot or oily environments; you’ll typically see it used to join shafts of different diameters and align drive components.

✅ Hole diameter: 3 mm to 4 mm (0.12-0.16 in)
✅ Outer diameter: 9 mm (0.35 in)
✅ Height: 20 mm (0.79 in)
✅ Material: Brass
✅ Package contents: 10 pcs, 40 screws, 2 hex wrenches
✅ Features: high temperature, corrosion and oil resistance, long service life

💡 What is a brass shaft coupling used for in RC models and how do you choose the right size? This handy connector lets you pair shafts and wheels or gears when diameters differ, keeping alignment clean and power transfer steady.
- Handy for mounting motors to drive shafts in RC cars and robotics
- Choose 3-4 mm hole size to fit common small shafts
- Brass construction offers good heat and corrosion resistance
- Includes screws and hex wrenches for quick, secure setup