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    18mm Rigid Flange Shaft Coupling

    The affordable 18mm flange shaft coupling will meet your power transmission needs, withstanding heavy loads, high speeds and harsh operating conditions. This high quality rigid flange coupling offers excellent performance in a variety of industrial applications.
    SKU: ATO-FC-18
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    The 18mm rigid flange shaft coupling provides excellent high torque capacity and misalignment compensation, making it the perfect solution for demanding applications such as heavy machinery and equipment.


    • Model: ATO-RFC-18
    • Inner Diameter: 18mm
    • Treatment Process: Oxidation
    • Processing Accuracy: ±0.05mm
    • Tolerance: 0.05mm
    • Weight: 62.9g


    • A rigid flange shaft coupling is a special coupling that fixes a shaft to a flat surface and allows easy mounting of other accessories on the shaft.
    • The rigid flange shaft coupling is made of high quality aluminium alloy, which is hard and resistant to moisture and rust, and has a long service life.
    • 18mm rigid flange coupling connector is suitable for connecting model shafts, perfect for RC model motors etc.
    • The rigid flange coupling connector is relatively easy to install, thanks to its simple design and few moving parts.

    Dimension (Unit mm) 

    18mm rigid flange coupling dimension


    A flange coupling is a type of mechanical joint that is used to connect two rotating shafts in order to transmit power. Flange couplings are commonly used in industrial machinery and equipment, such as pumps, compressors, and turbines. The field of application for flange couplings is wide-ranging and includes industries such as oil and gas, power generation, water treatment, and manufacturing.  

    Gear coupling applications.

    Tips: What are the advantages of using a flange coupling?

    A flange coupling is a type of coupling used to connect two rotating shafts for transmitting power between them. Some of the advantages of using a flange coupling include:

    • Easy to install and remove: Flange couplings are designed to be easy to install and remove, which makes them ideal for applications where frequent maintenance or repairs are required.
    • High torque capacity: Flange couplings can handle high torque loads, which makes them suitable for heavy-duty applications.
    • High misalignment tolerance: Flange couplings can accommodate axial, radial, and angular misalignments between the two shafts, which helps to reduce stress on the shafts and bearings.
    • Good vibration damping: Flange couplings can help to reduce vibration and noise, which can improve the performance and lifespan of the equipment.
    • Interchangeability: Flange couplings are standardized and widely available, which means that they can be easily replaced or interchanged with other compatible couplings.

    Overall, the use of flange couplings can improve the reliability, efficiency, and safety of rotating machinery and equipment.

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