Screen Window Combination Lock

This Screen Window Combination Lock features a single-dial mechanism and is crafted from a composite of zinc alloy and stainless steel. It is specifically designed for use with various types of aluminum-framed Screen Windows. The kit includes all necessary components; once installed, it provides a secure and tight seal, is simple and effortless to operate, and eliminates the need to carry keys. All performance metrics comply with industry standards for door & window accessories, making it a commonly used locking component for residential, commercial, and export-grade Screen Windows.

Zinc-Steel Composite Base Material, Meets All Performance Test Standards
The lock body and handle are integrally die-cast from high-density zinc alloy, while core components such as the latch are made of stainless steel. The overall structure offers sufficient rigidity, excellent resistance to deformation and wear, and remains stable even after long-term, repeated opening and closing, with minimal risk of cracking.

The product is manufactured in strict compliance with the door and window hardware industry standard QB/T5338-2018. It has successfully passed a 200,000-cycle durability test, ensuring stable performance even with frequent, year-round use. With a maximum locking force of 350 N, it provides a secure and reliable lock that resists external pulling forces, minimizing the risk of accidental unlocking or loosening. Having passed a 500-hour neutral salt spray corrosion resistance test, it offers outstanding rust prevention and weather resistance, ensuring long-term, stable use on balconies and in rainy, humid environments.
Compatible with profiles 11 mm thick and above, it meets the specifications of mainstream Screen Window profiles. Surface finishes can be customized to customer requirements to match various Screen Window and window design styles.

Single-dial combination lock design for convenient keyless operation
The product features a single combination dial with the unlock code set to the number 6. There is no need to carry a key for daily use; simply remember the code to unlock the Screen Window, avoiding the hassle of lost or forgotten keys. The elongated, one-piece handle features a sleek and neat design, offering a comfortable grip and smooth, jam-free operation—allowing a single person to easily operate the Screen Window. When locked, the latch engages securely, effectively securing the Screen Window to prevent swaying or accidental disengagement, balancing ease of operation with basic security performance.

Standard mounting hole design ensures strong profile compatibility
The entire set of door & window accessories features standard mounting holes, making it compatible with mainstream aluminum profile Screen Windows on the market without the need for additional cutting or slotting of the profiles. The hardware assembly logic is clear, and the installation steps are simple, enhancing batch assembly efficiency in window and door factories, effectively reducing labor costs, and supporting assembly on automated and semi-automated production lines.

Wide applicability across multiple scenarios
Compatible with various types of Screen Windows, including concealed three-panel sliding Screen Windows and flat-panel Screen Windows; widely used for whole-home Screen Window installations in residential projects, villa projects, and bulk purchases for real estate turnkey projects, while also meeting the high-volume export supply demands of the window and door industry.