Mortise locks are embedded locking solutions designed for doors requiring higher security and mechanical reliability. The lock body is fitted into a cavity within the door, allowing better load distribution and stronger resistance to forced entry. Widely applied in hotels, offices, and high-end residential projects, mortise locks support multiple functions such as locking, latching, and key control in one unit. Their modular design allows flexible configuration with different trim options and finishes to meet diverse architectural and project needs.
Engineered for durability, security, and consistent performance across residential and commercial applications.
Flexible options available for wholesale, project supply, and OEM/ODM requirements.
The Escape Door Lock DDML009-E delivers reliable emergency exit control for Euro-standard doors across commercial and residential projects. A single-turn operation enables fast and intuitive unlocking from the inside, supporting safe evacuation when every second matters. The internal mechanism integrates a solid stainless steel 304 latchbolt and deadbolt, paired with a galvanized steel case for consistent structural strength and long-term stability. Multiple backset options at 55mm and 60mm, combined with a 72mm center distance, allow flexible installation across various door configurations. The forend and strike plate are available in both square and radius profiles, ensuring compatibility with different door preparations.
| Product Model | DDML009-E |
| Backset available | 55mm, 60mm |
| Distance | 72mm |
| Material | Solid Stainless Steel 304 Latchbolt , Deadbolt, Follower, Forend, Strike plate, galvanize steel case |
| Forend & Strike plate | Square or Radius |
| Finish | Satin stainless steel, Polished stainless steel, Polished brass, Antique brass, Antique copper, Matt black, Physical Vapor Deposition |
| Suitable For | Escape door of commercial or residential application |
| MOQ | 300PCS |
| Package | 1pc / poly bag, white box / color inner box, standard export carton |
| Sample Time | 5-7 working days |
| Production Lead Time | 30-35 days normally |
| Shipping Port | Jiangmen, China / Shenzhen, China |
The Sliding Door Hook Lock DDML031 delivers secure and stable locking performance for modern sliding door systems. Featuring a solid SUS 304 stainless steel hook bolt, it ensures strong engagement within the strike plate, improving resistance against forced entry and long-term wear. With a 50mm backset and a precisely engineered forend plate, this lock fits seamlessly into a wide range of sliding door structures, including wooden, metal, and interior applications. Multiple surface finishes such as SSS, PSS, PVD, AB, AC, and MB provide flexibility for different architectural styles and project requirements, making it a reliable choice for both residential and commercial installations.
| Product Model | DDML031 |
| Material | Solid SUS 304 Hook Bolt, SUS 304 Forend,Strike plale |
| Backset | 50mm |
| Forend Plate | W16x H158 xT2.5 mm, Radius Head |
| Finish | SSS,PSS,PVS,AB,AC,MB |
| Suitable For Door | Siding Door, Wooden door, Metal door, Interior door, etc. |
| MOQ | 300PCS |
| Package | 1pc / poly bag, white box / color inner box, standard export carton |
| Sample Time | 5-7 working days |
| Production Lead Time | 30-35 days normally |
| Shipping Port | Jiangmen, China / Shenzhen, China |
The Long Throw Deadlock delivers a high-security locking solution for commercial storefront aluminum doors. Featuring a robust hook bolt mechanism with an extended 1-3/16" throw, this system enhances door engagement and resistance against forced entry. The lock body integrates an 8-ply laminated steel bolt structure, reinforced with a hardened roller pin positioned within a case-hardened center layer, ensuring exceptional strength and durability under repeated use. The kit includes both exterior and interior mortise key cylinders, enabling flexible access control configurations across different project requirements. A standard 1-1/8" cylinder backset supports compatibility with common door preparations, making it suitable for replacement projects or new installations.
| Product Model | DDML042 |
| Material | Stainless Steel |
| Finish | SSS,PSS,PVS,AB,AC,MB |
| Suitable For Door | Wooden door, Metal door, Interior door, exterior door etc. |
| MOQ | 300PCS |
| Package | 1pc / poly bag, white box / color inner box, standard export carton |
| Sample Time | 5-7 working days |
| Production Lead Time | 30-35 days normally |
| Shipping Port | Jiangmen, China / Shenzhen, China |
Mortise locks are widely used in commercial buildings, hospitality projects, and residential entrance doors where durability and security are essential. They are commonly installed in hotel guest rooms, office partitions, apartment entry doors, and institutional facilities such as schools and hospitals. Their ability to integrate with access control systems also makes them suitable for modern smart locking solutions.
See real product details, structure, and usage scenarios through our visual demonstrations.
Please contact us by email or phone with your detailed requirements. Our team will reply within 24 hours. In addition to door hardware, D&D also delivers complete door opening solutions.
We accept T/T, D/P, Western Union, and L/C as payment methods.
We are a manufacturer with over 18 years of experience and are an SGS-audited factory specializing in architectural hardware.
Yes. Up to three samples can be provided free of charge. Customers are required to arrange a courier account for freight collection.
We mainly use SUS304 and SUS316 stainless steel, with SUS201 available for selected product applications.
All our products are backed by a 10-year mechanical warranty.
Yes. We operate a complete quality control system, with strict inspection and monitoring at every stage of mass production following standardized procedures.
Yes. We provide both OEM and ODM solutions and have extensive experience collaborating with well-known global brands.
Our products carry CE and UL certifications, and all designs are developed in accordance with international standards such as EN/CE, UL, ANSI, and BHMA.