Code Operated Automatic Lock
,Zinc Alloy Automatic Lock
,Spring Mechanism Automatic Lock
Concealed Screen Code-Operated Automatic Lock
This concealed screen code-operated automatic lock is specifically designed for Screen Windows with hidden mesh. The lock body features a zinc alloy main structure paired with stainless steel internal components. It automatically locks upon closing thanks to a built-in spring mechanism, eliminating the need for manual locking. Primarily used for indoor security to prevent children from accidentally opening the Screen Window, it is a high-quality hardware accessory that enhances Screen Window safety.
High-Quality Materials and Rigorous Testing Ensure Stable Performance
The handle panel is made of high-density zinc alloy through one-piece die-casting, making it sturdy and durable. Core internal components, such as the spring and latch, are crafted from stainless steel, offering excellent wear resistance and resistance to deformation, ensuring they remain secure even after long-term, repeated use. The product is manufactured in strict compliance with the door and window hardware industry standard QB/T 5338‑2018. It has passed a durability test involving 200,000 opening and closing cycles, with a locking force of up to 350 N, ensuring a secure lock; it has also passed a 500-hour neutral salt spray anti-corrosion test, guaranteeing stable performance in the humid environment of a balcony and resistance to oxidation and rust.
Spring-return automatic locking; indoor unlock code “6”
When closing the screen panel, the latch automatically extends via a built-in spring to lock the screen—it locks the moment it closes, operating smoothly without jamming. The lock body is equipped with a single combination dial set to the fixed unlock code “6”; simply turn the dial to unlock. Surface finishes can be customized in a variety of colors to meet customer needs.
Wide Profile Compatibility and Simple Assembly and Commissioning
Compatible with aluminum alloy profiles for concealed Screen Windows, it features standard mounting holes for easy installation without the need for complex drilling or milling. Assembly and commissioning are straightforward, and disassembly for maintenance is convenient. Suitable for residential Screen Windows and commercial projects, it can also be supplied as a standalone product for export.
