Zinc Alloy Casement Window Handle with Two Position Rotating Latch Mechanism

Product Specification

Zinc Alloy Casement Window Handle
This keyless casement window handle is specifically designed for inward-opening and inward-opening/tilting windows. The base is made of zinc alloy paired with an aluminum alloy curved handle, featuring a high-strength locking latch and a two-position rotating mechanism. The product complies with the QB/T 5338-2018 industry standard, is weather-resistant and wear-resistant, and serves as a mainstream hardware component for casement windows in both residential and commercial projects.

Composite Metal Construction: Load-Bearing, Rust-Resistant, and Durable
The base is die-cast from zinc alloy, offering resistance to prying and compression while minimizing the risk of breakage or deformation; the curved handle is made of aluminum alloy, providing a lightweight and smooth grip. Surface finishes can be customized to meet customer needs, with a variety of color options available—including spray painting and anodizing—to complement any door or window color scheme.
The product has passed a 500-hour neutral salt spray test, ensuring moisture resistance and corrosion protection; it remains rust-resistant even after prolonged exposure to sun and rain on balconies or outdoors, operates smoothly, and is suitable for various environments, including those with high humidity and significant temperature fluctuations.

Two-position rotation, compatible with inward-opening and inward-opening/tilting windows
The handle supports two-position switching, allowing for seamless transition between micro-ventilation and fully open modes, facilitating window cleaning and air circulation. It is compatible with both inward-opening and inward-opening/tilting window types.
The matching latch meets the 500 N·m locking force standard, ensuring a tight seal that prevents accidental unlocking or air leakage even in high-wind conditions, significantly enhancing the window’s sealing and anti-theft performance. The keyless design eliminates the need to carry keys for daily operation, making it simple and hassle-free to use.

Compatible with Multiple Profile Types, Easy Installation
Compatible with the vast majority of aluminum alloy and PVC-U casement window frames on the market; the base features pre-drilled universal mounting holes, eliminating the need for complex grooving. Assembly and commissioning by door and window manufacturers are simple and efficient, reducing labor costs.
The drive mechanism is precise and smooth; even after tens of thousands of torsional cycles, it continues to operate without jamming or abnormal noises, and maintains consistent performance over the long term.

Authoritative Standards + 100,000-Cycle Durability Testing
The product is manufactured in strict accordance with the QB/T 5338-2018 standard for door and window hardware. Before leaving the factory, it undergoes a 100,000-cycle opening and closing fatigue test, ensuring minimal wear on moving parts and maintaining precision and reliability even during long-term, high-frequency use.
Widely compatible with inward-opening and inward-opening/tilting casement windows, it can be paired with hinge arms, drive boxes, and locking points to form a complete hardware system. Suitable for residential, office, and commercial settings, it is ideal for bulk purchasing.