Specifications
Highlight:
Concealed Top and Bottom Latch
,Zinc Alloy Top and Bottom Latch
,Galvanized Steel Latch Bolt
Product Description
Concealed Top-and-Bottom Latch
This concealed top-and-bottom latch is a hidden locking accessory designed specifically for double doors and parent-child door sets. It features a zinc alloy faceplate paired with a galvanized steel latch bolt, which is recessed into the side of the door panel for hidden installation.
Premium Materials & Construction
The main body of the latch panel is made of high-density zinc alloy through a single-piece die-casting process. Its compact structure ensures high rigidity and excellent impact resistance and wear resistance, making it resistant to deformation, cracking, or loosening even after long-term, repeated opening and closing.
The surface features a matte black electrostatic spray coating with strong adhesion, providing scratch resistance and oxidation resistance. The matching latch rods are precision-crafted from galvanized steel, offering ample strength and excellent rust resistance.
Advanced Locking Mechanism
Featuring a concealed top-and-bottom lock structure, the upper and lower bolts are installed at the top and bottom of the door leaf. Turning the built-in knob causes the bolts to extend and retract simultaneously, achieving dual-direction locking between the door leaf, door frame, and floor.
The even distribution of force across the locking points effectively prevents door leaf wobbling and prying from external forces, significantly enhancing the door's airtightness and anti-theft performance.
Ergonomic Design & Installation
The recessed knob design conforms to the natural curve of the finger, ensuring smooth, jam-free operation. The locking feedback is clear and crisp, making daily opening and closing effortless.
Featuring a recessed, concealed structure, the unit sits flush with the side of the door panel after installation, with no protruding parts. It uses industry-standard installation dimensions, making it compatible with a wide range of door types.
Applications
- Double-leaf entry doors
- Master-and-slave security doors
- Double-leaf balcony swing doors
- Interior double doors
- Bathroom double doors
- Home renovation door and window installations
- Real estate development projects
- International trade door and window hardware
