Sargent 4870 Series Mortise Deadlock

Key Features of the Sargent 4870 Series Mortise Deadlock

• Heavy-Duty Construction: The lock case is made of heavy wrought steel, 0.093 inches thick, with a corrosion-resistant zinc dichromate finish for long-lasting durability.
• Laminated Stacked Steel Deadbolt: Features a 1-inch throw deadbolt constructed from laminated stacked steel with a hardened pin, providing enhanced resistance to forced entry.
• Backset and Door Compatibility: Designed for a 2-3/4 inch (70mm) backset and standard door thickness of 1-3/4 inches (44mm), with factory consultation available for thicker doors.
• Cylinder: Equipped with a brass 6-pin cylinder, supplied with two nickel silver keys. Keyways include Sargent’s LA standard for secure key control.
• Non-Handed and Field Reversible: The deadlock is non-handed and can be field reversed for left or right door applications, simplifying installation.
• Multiple Functions: Available in single cylinder (key outside, no inside operation), single cylinder with inside turn lever, and double cylinder configurations to suit diverse security needs.
• ANSI/BHMA Grade 1 Certified: Meets the highest industry standards for strength and security, including UL and cUL listings for fire door use.
• Strike Compatibility: Standard 480 strike included, sized 3-1/2" x 1-1/8" with square corners for secure bolt engagement.
• Architectural Finishes: Offered in finishes such as Bright Chrome (US26), Oil Rubbed Bronze (US10B), and Satin Chrome (US26D) to complement a variety of door hardware aesthetics.

Applications

The Sargent 4870 Series Mortise Deadlock is ideal for:

• Commercial Office Buildings: Secure entry doors, conference rooms, and restricted areas.
• Educational Facilities: Protect classrooms, laboratories, and administrative offices.
• Healthcare Institutions: Meet stringent security and fire safety standards in hospitals and clinics.
• Government and Public Buildings: Provide robust security for municipal and federal facilities.
• High-Traffic Facilities: Designed to withstand heavy use in schools, hospitals, and commercial buildings.

Popular Sargent 4870 Series Mortise Deadlock Models

• 4875-10B Single Cylinder with Turn Lever: Oil Rubbed Bronze finish, key outside with inside thumb turn for convenient locking/unlocking.
• 4874 Double Cylinder Mortise Deadlock: Brass 6-pin cylinders on both sides, non-handed, reversible, with thumb-turn options and ANSI Grade 1 certification.

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For facility managers, locksmiths, and security professionals seeking Sargent 4870 Series Mortise Deadlocks that deliver unmatched security, durability, and flexibility, QualityDoor.com is the premier source for commercial door hardware solutions.