12Pcs 3.17mm to 4mm Brass Shaft Coupling Joint Connector, Motor Shaft Coupling for RC DIY Airplane Boat Robot

Descriptions: 12Pcs brass joint motor shaft coupling adapters, ideal accessories for RC Model motor, such as airplane boat model. Fit for connecting two axis with different diameters, can also be connected with a motor axis, or connecting shafts of different diameters. Simple structure, selected high-quality material,and easy to assemble. Commonly used for shafts that transmit rotary motion, widely used in metal, mold, mechanical drive applications.

• Thread Size: M3; Length: 20mm/0.79 inch; Outer Diameter: 9mm/0.35 inch; Inner Hole Dia :3.17mm-4mm
• Material: Made of brass, this shaft coupling is maintenance-free, oil-proof, and resistant to corrosion for long-lasting use. this coupling joint connector ensures long-term structural integrity and reliable performance
• Application: Ideal for use in metal, mold, and mechanical drive applications, this coupler is perfect for automotive tires, RC models, airplanes, boats, electric cars, and toys
• Application: Ideal for use in metal, mold, and mechanical drive applications, this coupler is perfect for automotive tires, RC models, airplanes, boats, electric cars, and toys
• Package include: 12 x Motor Shaft Coupling Connector;2 x Allen Wrench;48 x Screws