Uxcell 6-Piece Set 4mm To 4mm Brass Shaft Coupling Joint Connectors with Screws and Hex Wrench, Flexible Motor Shaft Couplers for Car Wheels, Tires,

The brass shaft coupler connector is made of pure brass, making it sturdy, reliable, and functional. It is used to connect motor shafts and hexagonal wheels on robots, cars, and other models. It is suitable for connecting shafts in models and is a perfect accessory for RC model motors. The flexible motor bearing couplings are available in the following sizes: Hole diameter: 4mm to 4mm/0.16"; Outer diameter: 9mm/0.35"; Height: 20mm/0.79"; the package includes six brass shaft couplings, 24 screws, and two hex wrenches. Brass bearing couplings are high-temperature, corrosion-resistant, and oil-resistant, ensuring a long service life. They provide greater shaft stability and are easy to install and replace. Easy to install and use. They are primarily used to connect two optical shafts of different diameters, connect a motor and an optical shaft, or connect shafts of different diameters. Please pay attention to the appropriate size before purchasing.