HC4135 Stainless Steel Casement Window Friction Stay, 304 Stainless Steel Window Hinge with 13.5mm Track for 20mm European Groove Aluminum Windows

HC4135 casement window friction stay is manufactured from premium 304 stainless steel through one-piece stamping process, providing excellent corrosion resistance, rust resistance and structural rigidity, making it ideal for long-term outdoor window applications. The 13.5mm wide slide track ensures smooth, stable and jitter-free opening and closing operation of casement windows. Its sliding shoe adopts a double-pivot structural design, which disperses the force during window movement, significantly improving overall load-bearing capacity, wind pressure resistance and service durability. The link arms are available in three thickness options: 2.0mm, 2.5mm and 3.0mm, with length specifications covering 8", 10", 12", 14", 16" and 18" to match different window sizes and weight requirements. This window hinge is precisely sized to fit 20mm European standard groove aluminum casement windows, enabling straightforward installation and consistent smooth operation. It is widely used in residential exterior windows, commercial building curtain walls and aluminum window renovation projects. Bulk wholesale orders and OEM customization are supported to meet diverse project demands.