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Office Entry Door Mortise Lock - Heavy Duty Commercial Grade 1

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Secure your business's first line of defense with our Office Entry Door Mortise Lock, engineered to the highest commercial standard: ANSI Grade 1. Built to withstand the constant traffic and demands of a main office entrance, this heavy-duty lock combines maximum security with unwavering reliability.


The robust mortise mechanism provides a superior hold within the door frame, offering exceptional resistance to forced entry and physical attack. As an ANSI Grade 1 certified lock, it has been rigorously tested for millions of cycles of flawless operation, ensuring it stands up to the open-and-close rhythm of a busy workday. Invest in the proven performance that protects your assets, your employees, and your peace of mind.


Key Features:

  • ANSI Grade 1 Certified: Guarantees the highest level of commercial durability and mechanical performance, tested for over 1 million cycles.

  • Heavy-Duty Mortise Design: The integrated lock case offers vastly superior strength and security compared to standard cylindrical locksets, making it ideal for main office entry doors.

  • Built for High-Traffic Entrances: Engineered specifically to endure the constant use of a commercial office environment without failing.

  • Enhanced Physical Security: Provides a formidable defense against forced entry, tampering, and wear, ensuring long-term protection for your premises.

  • Professional Aesthetic & Function: Designed to integrate seamlessly with a wide range of commercial levers and trim, providing a durable, secure, and professional-looking access point.


Upgrade your office security with a lock that meets the benchmark for commercial door hardware. Our Heavy-Duty Grade 1 Mortise Lock delivers the strength, longevity, and performance your main entrance requires.

Office Entry Door Mortise Lock

Heavy Duty Mortise Lock

Commercial Grade 1 Mortise Lock


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 Tel : +8613286319939 / +86 18613176409
 WhatsApp : +8613286319939
 Email : ivan.he@topteksecurity.com (Ivan HE)
                  nelson.zhu@topteksecurity.com (Nelson Zhu)
 Address : No.11 Lian East Street Lianfeng, Xiaolan Town, 
Zhongshan City, Guangdong Province, China

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