Medeco 11C4 Maxum Commercial LFIC Single Cylinder 6-Pinned Deadbolt, Less Core, With Bolt

Medeco Maxum 11C4 Commercial LFIC Single Cylinder 6-Pinned Deadbolt — Less Core, With Bolt

The Medeco Maxum 11C4 is a heavy-duty, ANSI/BHMA A156.36 Grade 1 and UL 437 Listed Large Format Interchangeable Core (LFIC) single cylinder deadbolt engineered for demanding commercial security applications. Built with solid-brass construction, this 6-pinned deadbolt fits doors 1 3/8" to 2 1/2" thick and is designed around a standard 2 1/8" crossbore and 1" edge bore (ANSI A115.13 prep), making it compatible with most commercial door preparations. The Maxum platform incorporates Medeco's M4 cylinder technology, delivering multi-layered protection against picking, bumping, drilling, prying, and unauthorized key duplication — including protection against 3D-printed key copies.

Key Features

• ANSI/BHMA Grade 1 Certified: BHMA certified Grade 1 per ANSI/BHMA A156.36, meeting the highest performance standards in the commercial door hardware industry.
• UL 437 Listed High-Security Cylinders: UL 437 Listed cylinders provide verified resistance to prying, picking, and other forms of physical attack for maximum security assurance.
• Door Thickness Compatibility: Fits doors 1 3/8" to 2 1/2" thick with a standard 2 1/8" crossbore and 1" edge bore (ANSI A115.13 prep) for straightforward installation on most commercial doors.
• Advanced Picking & Bumping Protection: M4 cylinders utilize cylinder side pins, a shuttle lift pin, and a movable key element to engage a sidebar that prevents the key from turning until all elements are correctly rotated and aligned, defeating bumping, picking, and related attacks.
• Patent-Pending Key Control: Medeco 4 patent-pending key control technology protects against unauthorized key duplication, requiring a special key cutting machine and access to Medeco-specific blanks available in a variety of restriction levels.
• Protection Against 3D-Printed Keys: A patent-pending movable element within the key deters unauthorized 3D-printed copies of keys or blanks, addressing emerging duplication threats.
• Solid-Brass Construction with Drill Protection: Solid-brass body with strategically placed drill pins provides maximum resistance to drilling and physical forced-entry attacks.
• Master Keying Capabilities: M4 deadbolts can be integrated into master key systems that include M4, M4 BiLevel, and M4 CLIQ keys and cylinders, supporting extremely large keying systems.
• Available Finishes: Offered in 14 finish options including Bright Brass (05), Satin Brass (06), Antique Brass (09), Satin Brass Blackened (10), Bright Bronze (11), Satin Bronze (12), Oil Rubbed Bronze (13), Bright Nickel (18), Satin Nickel (19), Antique Nickel (20), Black (22), Dark Bronze (24), Bright Chrome (25), and Satin Chrome (26).

Certifications & Compliance

• ANSI/BHMA A156.36 Grade 1 Certified
• UL 437 Listed High-Security Cylinders
• BHMA Certified — Highest Industry Standards

Technical Specifications

• Series: Maxum® Commercial Deadbolt
• Cylinder Technology: Medeco 4 (M4)
• Pinning: 6-Pin
• Keyway: Factory-specified
• Cylinder Format: Large Format Interchangeable Core (LFIC)
• Certification: UL 437 Listed; ANSI/BHMA A156.36 Grade 1 (M4)
• Door Thickness: Fits doors 1-3/8" to 2-1/2" thick
• Door Prep: Standard 2-1/8" crossbore, 1" edge bore (ANSI/BHMA A115.13)
• Construction: Solid-brass cylinder construction with hardened steel inserts
• Warranty: 2-year manufacturer's warranty

Typical Applications

• Commercial Office Buildings
• Healthcare Institutions and Hospitals
• Educational Facilities and Schools
• Retail Establishments and Outlets
• Multi-Tenant Residential and Apartment Buildings
• Restaurants and Food Service Facilities
• Government and Municipal Buildings

Why Medeco?

Medeco Maxum deadbolts are built on a foundation of solid-brass construction, UL 437 Listed cylinders, and ANSI/BHMA A156.36 Grade 1 certification — delivering verified, multi-layered protection against drilling, picking, bumping, prying, and unauthorized key duplication. The M4 cylinder platform's sidebar mechanism and patent-pending key control technology make the Maxum 11C4 an engineered solution for commercial environments where uncompromising security and key management control are essential.