Universal Hook Lock
,Diamond Mesh Hook Lock
,Hidden Hook Lock for Screen Windows
Universal Hidden Hook Locks for Two- and Three-Panel Screen Windows
This universal hidden hook lock is compatible with two- and three-panel diamond-mesh screen windows. Featuring a concealed design with a clean, sleek appearance, it is widely used with aluminum alloy screen window profiles and is the preferred hardware component for bulk assembly by door and window manufacturers. The lock body is made of aluminum alloy, while the critical locking hook components are crafted from stainless steel. This ensures sufficient overall strength and reliable rust resistance. It supports a variety of surface colors and can be customized according to customer samples.
Concealed Design for Secure, Tight Installation
The product features a set screw locking mechanism. Once installed, the concealed crossbar structure creates a smooth, seamless surface, ensuring the lock body is securely fastened and resistant to loosening.
Excellent Performance Metrics, Stable and Durable in Outdoor Conditions
It can withstand a sliding load of up to 350 N and 200,000 opening and closing cycles. It has passed a 500-hour neutral salt spray test, demonstrating excellent corrosion resistance, and maintains stable operation even in outdoor balcony environments.
High Profile Compatibility, Simple Assembly
The opening and closing action is smooth, and assembly is simple. It is compatible with aluminum profiles with a wall thickness of ≥12 mm and an internal cavity of 9 mm or more.
Complies with industry standards and offers a wide range of applications
The product’s performance complies with the QB/T5338‑2018 standard. It is suitable for two-panel sliding Screen Windows and three-panel stainless steel mesh Screen Windows. It is supplied to door and window manufacturers and can also be used for Screen Window repair and replacement, supporting bulk export orders for hardware.
