The Key Differences Between Various Window Hinge Friction Stays

  • jack kun
  • 2024/05/16
  • 3

Friction stays, an essential component of window hinges, play a vital role in ensuring the smooth function and precise alignment of windows. Different friction stays possess unique features that cater to specific window designs and user requirements. This article explores the key differences among various window hinge friction stays, highlighting their distinct characteristics and applications.

Construction Materials

Friction stays are primarily constructed from brass, stainless steel, or aluminum. Brass is a durable and corrosion-resistant material, offering high strength and longevity. Stainless steel exhibits exceptional strength and rust resistance, making it ideal for windows exposed to harsh weather conditions. Aluminum friction stays are lightweight, affordable, and well-suited for smaller windows.

Friction Adjustment

The ability to adjust friction is crucial for controlling the weight of the window and maintaining its desired position. Friction stays typically offer three levels of friction adjustment: low, medium, and high. Low friction is suitable for lighter windows, allowing for smooth opening and closing. Medium friction provides a balance between ease of operation and stability, while high friction effectively supports heavier windows, preventing accidental movement.

Opening Angle Limitations

Different friction stays impose varying limits on the maximum opening angle of the window. Full-open friction stays allow the window to open completely flat against the wall, creating a wider opening for ventilation or cleaning purposes. Limited-open friction stays restrict the opening angle to a predetermined range, typically between 45 and 90 degrees. This feature is beneficial for safety and security, preventing windows from opening too widely.

Activation Mechanism

Friction stays can be activated manually or automatically. Manual friction stays require the user to physically adjust the friction using a lever or screw. This approach provides precise control over the friction level but can be inconvenient in some situations. Automatic friction stays use hydraulic or magnetic mechanisms to automatically adjust the friction based on the weight of the window. This self-adjusting feature ensures optimal performance and ease of use.

Mounting Options

Friction stays can be mounted to the window frame in various ways. Surface-mounted friction stays are installed directly onto the surface of the frame, providing a simple and cost-effective solution. Recessed-mounted friction stays are partially hidden within the window frame, creating a more aesthetically pleasing appearance. Hinged-mounted friction stays are connected to the hinge, offering maximum structural support and durability.


Window hinge friction stays offer a range of features and options to suit diverse window designs and user preferences. From durable construction materials to adjustable friction levels, opening angle limitations, activation mechanisms, and mounting options, these components play a critical role in ensuring the smooth and reliable operation of windows. Understanding the key differences between various friction stays enables informed decision-making and optimal window performance.

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