Latch bolt operated by lever from either side axcept when outside lever is locked from outside by key. When outside lever is locked, latch bolt retracted by key, or by operating key and outside lever fromoutside or byoperatinginside lever. Auxiliary dead latch. Mortise Entry Lock Set DDAL04 F04 delivers high-security performance for office entry doors requiring ANSI Grade 1 reliability. Engineered with a full stainless steel structure, this lock set ensures consistent durability under high-frequency commercial use. The integrated auxiliary dead latch enhances protection against forced entry, meeting strict safety expectations in commercial environments. With UL fire-rated certification, the lock maintains structural integrity under fire conditions, making it suitable for projects where compliance and safety are critical. Precision machining and standardized dimensions allow easy integration into American standard door systems, supporting both left-hand and right-hand installations. From daily office access control to high-traffic commercial buildings, this mortise entry lock set ensures reliable performance, consistent quality, and long-term stability required by professional door hardware applications.

Latch bolt operated by lever from either side except when outside lever is locked from outside by key. When outside lever is locked, latch bolt retracted by key, or by operating key and outside lever from outside or by operating inside lever. Auxiliary dead latch. The Commercial Mortise Lock delivers a high level of security and durability for demanding door applications where safety, compliance, and long-term performance are essential. Engineered to meet ANSI/BHMA A156.13-2005 Grade 1 standards and certified with UL fire rating, this lockset supports reliable operation in commercial environments such as office buildings, public facilities, and large-scale projects. The internal lockcase uses heavy gauge stainless steel to ensure strong resistance against corrosion and repeated use, maintaining stable functionality over time. With compatibility for both left-hand and right-hand doors and a standard fit for door thickness ranging from 45mm to 55mm, this lockset supports flexible installation across various commercial door systems. Precision manufacturing ensures accurate alignment, reducing installation errors and improving overall efficiency in project deployment.

Latch bolt operated by key from outside or by operating inside lever. Outside lever is always inoperative. Auxiliary dead latch. The Classroom Mortise Lock DDAL07 F07 delivers reliable security performance for controlled-access interior spaces such as storerooms and closets. Manufactured with solid SUS304 stainless steel components, this lock ensures long-term resistance against corrosion, wear, and intensive daily use in commercial environments. Certified to ANSI/BHMA A156.13-2005 Grade 1 and UL fire-rated standards, it meets strict safety and durability requirements for institutional and public building projects. With a heavy-gauge stainless steel lockcase, precision casting bolts, and flexible finishing options including SSS, PSS, PVD, and antique tones, this model fits a wide range of architectural styles and project specifications. Suitable for wood doors, metal doors, and fire-rated doors, it supports both left-hand and right-hand installations, offering dependable performance for commercial-grade applications and bulk project requirements.

Latch bolt operated by lever from either side. Dead bolt projected by key from outside and thumb turn from inside.Operating inside retracts both bolts and unlocks outside. The Front Door Mortise Lock Set DDAL13 F13 delivers commercial-grade security performance for high-traffic entrances where durability, fire safety, and long-term stability are critical. Certified to ANSI/BHMA A156.13-2005 Grade 1 and UL fire-rated standards, this lockset meets the strict requirements commonly specified in public buildings, residential complexes, and institutional projects. A heavy-gauge stainless steel lockcase enhances structural strength and corrosion resistance, supporting reliable operation under intensive daily use. All visible components, including the forend and strike, use Grade 304 stainless steel to maintain consistent performance across wood doors, metal doors, and fire-rated doors. Flexible door handing compatibility and a reversible latchbolt simplify installation across different project 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.

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.

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.

Exterior Door Mortise Lock DDML009 delivers a reliable locking solution for entrance doors where durability, fire resistance, and consistent performance are essential. Engineered for both commercial and residential applications, this lock integrates a solid stainless steel 304 internal structure with a galvanized steel case to maintain long-term mechanical stability under frequent operation. Certified to CE EN12209 and DIN 18251 Grade 3 standards, and tested for 200,000 cycles, it ensures dependable function across demanding environments. With a fire rating of up to 260 minutes under EN1634, it supports projects requiring strict safety compliance. Multiple backset options from 55 mm to 80 mm allow flexible installation across various door configurations, including wooden and metal doors. Cylinder operation can control both latchbolt and deadbolt depending on the selected configuration, offering adaptability for different security requirements.

Mortise Front Door Lock DDML011 delivers reliable mechanical security for entrance doors across residential and commercial environments. Engineered to meet CE EN12209 and DIN 18251 Grade 3 standards, this lock supports 200,000 test cycles and achieves a 260-minute fire rating under EN1634, ensuring stable performance in demanding conditions. The internal structure uses solid 304 stainless steel components, including latchbolt, deadbolt, follower, forend, and strike plate, combined with a galvanized steel case for enhanced durability and corrosion resistance. Multiple backset options from 55 mm to 80 mm allow flexible installation across various door configurations, while square or radius forend designs support different aesthetic and hardware requirements. With a center distance of 72 mm and compatibility with both wooden and metal doors, this mortise lock provides a dependable solution for secure, long-term use in high-traffic entry systems.

The High Security Mortise Lock delivers reliable protection and consistent mechanical performance for demanding door applications. Manufactured with solid SUS304 stainless steel for the roller bolt, deadbolt, forend, and strike plate, it provides strong resistance to wear, corrosion, and long-term usage. Certified to BS EN12209 and DIN 18251 Grade 3 standards, the lock has passed 200000 operation cycles, ensuring durability in high-traffic environments. Fire resistance reaches 260 minutes under EN1634, while corrosion resistance achieves 240 hours according to EN1670, supporting use in both safety-critical and exposed conditions. Suitable for wooden doors, metal doors, fire-rated doors, interior and exterior doors, as well as swing doors, this mortise lock offers a dependable solution for commercial and residential security needs.

Narrow Stile Door Lock DDML021 delivers reliable performance for aluminum frame doors, slim profile entrances, and commercial access systems where space is limited but strength is critical. Manufactured using solid 304 stainless steel along with brass or zinc alloy internal parts, the lock ensures long-term durability under high-frequency use. It meets CE EN12209 and DIN 18251 standards with a tested lifespan of 200000 cycles, while also achieving EN1634 fire resistance up to 240 minutes, offering both mechanical reliability and fire safety compliance for demanding environments. The reversible latchbolt allows flexible installation without additional modification, improving efficiency during bulk installation projects. Compatibility with Euro profile cylinders ensures easy integration into existing door systems.

Narrow frame doors require precise locking systems that balance strength, compliance, and installation flexibility. The Narrow Stile Mortise Lock DDML023 is engineered for slim-profile door applications where space is limited but performance standards remain uncompromised. With a compact case structure and multiple backset options ranging from 20 mm to 35 mm, this lock integrates smoothly into aluminum profiles, steel doors, and wooden narrow stile systems commonly used in commercial and architectural projects. Tested to EN12209 Grade 3 with 200,000 operational cycles and certified to EN1634 with a 240-minute fire rating, it meets strict European compliance requirements for safety-critical installations. Its narrow design combined with robust internal mechanics makes it suitable for both interior and exterior swing doors where durability, fire safety, and standardized configuration are essential.