KINGBO, a trusted China factory and supplier known for quality, delivers the Multi-point Mortise Lock Body for Aluminum Swing Door. Designed with multi-point locking and one-way transmission, it enhances security and structural stability. Durable galvanized iron and SUS304 brushed stainless steel ensure longevity. The lock allows fast direction adjustment, smooth operation, and easy installation. Suitable for residential, commercial, and engineering projects, it offers customizable options, certified quality, and OEM services, making it a reliable solution for modern aluminum door systems worldwide.
Multi-point locking, enhanced security: The Multi-point Mortise Lock Body for Aluminum Swing Door design uses a top and bottom lever to drive the upper and lower locking points, working in conjunction with the main deadbolt. Single-direction transmission function can add additional lock points by connecting with transmission rod. This significantly enhances the door's overall pry resistance and sealing, providing a high level of security.
High-strength material: The main part of the lock body is constructed of high-quality iron galvanized, ensuring durability and long-term stability. It looks more luxury. And the surface plate is made of SUS304, and brushed service treatment.
Smooth operation: The precision-engineered internal structure ensures a smooth operating handle with a strong spring back, effortless opening and closing, and a superior user experience.
Universal design: The Multi-point Mortise Lock Body is designed as an industry-standard model for easy matching and replacement. Some sizes are customizable for wide compatibility.



| Multi-point Mortise Lock Body for Aluminum Swing Door | |
| Product name | Lock body |
| Code number | LB-88530D |
| Size | As drawing or customized |
| Material | Iron galvanized/ Stainless Steel |
| Surface treatment | Brushed |
| Other details | Single way transmission |
| Advantages/features | Good reputation & lots of long-term clients in global market |
| Timely and sincere after-sale service | |
| Easy to install, good-looking appearance | |
| Competitive price. | |
| Customized as per client's idea & aluminum section | |
| High dimensional stability for complex shapes & thin walls | |
| Fast delivery | |
| Certificates | Patents; SGS; CE |
| Packing detail | 1 pcs/inner box; 30 boxes/carton |
| Lead time | Within 15 days |
| Special Service | Free OEM design |
| Logo design and print | |
When aluminum swing doors equipped with the Multi-point Mortise Lock Body for Aluminum Swing Door are opened and closed frequently, force concentration on a single lock point may gradually affect alignment and sealing performance. A multi-point locking structure helps distribute pressure across multiple positions.This design provides:
·More balanced force distribution
·Better frame engagement
·Reduced door leaf movement
·Improved closing consistency
·Enhanced structural stability
The locking points work together to maintain tighter contact between the door and frame during operation.
A stronger locking structure can improve compression between the door sash and frame. This contributes to better insulation performance in practical applications.
Performance improvements may include:
·Reduced air leakage
·Better sound insulation
·Improved heat insulation
·More stable closing performance
The coordinated locking structure helps keep the door system properly aligned during long-term use.
The internal mechanism of the Multi-point Mortise Lock Body for Aluminum Swing Door adopts a single-way transmission structure with synchronized movement between the main deadbolt and auxiliary locking points.
Operational process:
1.Rotate the handle or lock cylinder
2.Main deadbolt extends
3.Upper and lower lock points engage simultaneously
4.Door locks securely from multiple directions
This structure creates a more stable locking effect compared with conventional single-point systems.
The internal components are manufactured with attention to movement accuracy and mechanical consistency.
Advantages include:
·Smooth handle operation
·Stable transmission response
·Strong spring-back effect
·Reduced operating resistance
·Consistent opening and closing
The optimized internal structure minimizes unnecessary friction during repeated use.
The main lock body uses galvanized iron to maintain structural strength and durability under regular operating conditions.
Material characteristics include:
·Good mechanical stability
·Strong load-bearing capability
·Long service life
·Resistance to deformation
·Stable locking performance
The surface plate adopts SUS304 stainless steel with brushed treatment.
Surface advantages:
·Better corrosion resistance
·Cleaner metallic appearance
·Easier maintenance
·Improved wear resistance
·Professional visual finish
The brushed texture also helps reduce visible fingerprints and minor surface scratches.
The Multi-point Mortise Lock Body for Aluminum Swing Door molds include specialized venting vents to release air during the die-casting process. This improves product density and internal consistency.
Manufacturing benefits include:
·Stable product structure
·Reduced casting defects
·Better dimensional accuracy
·Improved component strength
·Consistent batch quality
This production method also supports efficient manufacturing while maintaining quality standards.
Each product undergoes inspection before packaging and shipment.
Inspection areas include:
|
Inspection Category |
Main Purpose |
|
Structural inspection |
Verify product stability |
|
Surface inspection |
Ensure clean finishing |
|
Functional testing |
Confirm smooth transmission |
|
Assembly inspection |
Verify component accuracy |
|
Dimensional checking |
Maintain installation compatibility |
The deadbolt module adopts a symmetrical rotatable structure. Direction switching does not require replacement parts or complicated disassembly.
·Loosen the fixing screw
·Rotate the module 180 degrees
·Tighten the screw again
This design helps simplify installation work while reducing adjustment time.
The Multi-point Mortise Lock Body for Aluminum Swing Door follows an industry-standard structure for convenient matching with aluminum door systems.
Installation advantages:
·Faster installation process
·Easier replacement work
·Better compatibility with aluminum profiles
·Reduced installation errors
·Lower maintenance difficulty
Some structural dimensions can also be customized according to project requirements.
A multi-point locking system secures the door at several positions simultaneously instead of relying on a single lock point. This improves stability, sealing performance, and anti-prying capability.
Yes. The deadbolt module supports 180-degree rotation for quick left-right switching without replacing components.
Yes. Some dimensions can be customized according to aluminum section requirements and project specifications.
The main body uses galvanized iron, while the surface plate adopts SUS304 stainless steel with brushed treatment.
Yes. OEM production, logo printing, and customized design support are available.
The Multi-point Mortise Lock Body for Aluminum Swing Door is suitable for residential buildings, commercial spaces, office systems, aluminum fabrication projects, and engineering applications.