Single Dial Combination Zinc Alloy Handle Lock for Aluminium Screen Door

Screen Door Handle Lock

This screen door handle lock features a single-dial combination mechanism and is constructed entirely of zinc alloy. It is specifically designed for screen doors made from various aluminum profiles. The kit includes a complete set of accessories; once installed, it provides a secure and tight seal, is simple and effortless to operate, and eliminates the need to carry a key. All performance metrics comply with industry standards for door & window hardware. This is a patented product, and infringement will be prosecuted. It is a commonly used screen door lock accessory for home renovations, construction projects, and export orders.

Zinc Alloy Base Material, Meets All Performance Test Standards
The lock body and handle are integrally die-cast from high-density zinc alloy, providing ample structural rigidity, excellent resistance to deformation and wear, and long-term stability even after 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 and operates reliably even under frequent, long-term use. With a maximum locking force of 350 N, it provides a secure and reliable lock that resists external pulling forces, reducing the risk of accidental unlocking or loosening. Having passed a 500-hour neutral salt spray corrosion resistance test, it offers excellent rust prevention and weather resistance, ensuring long-term, stable use on balconies and in rainy, humid environments.
Compatible with profile thicknesses of 40–60 mm, it fits mainstream screen door and window profile specifications. Surface finishes can be customized to meet customer needs, complementing a variety of screen door and window designs.

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, avoiding the hassle of lost or forgotten keys. The one-piece molded handle features a clean, minimalist design with a comfortable grip, allowing for smooth, jam-free operation that can be easily managed by a single person. When locked, the latch engages securely, effectively securing the screen panel to prevent shaking or accidental slippage, balancing ease of operation with basic security performance.

Standard mounting hole design ensures strong profile compatibility
The entire set of door and window hardware features standard mounting holes, making it compatible with mainstream aluminum profile screen doors and 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 the efficiency of bulk assembly in door and window factories, effectively reducing labor costs, and making it suitable for automated and semi-automated production lines.

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