Medeco 100200J Bilevel Standard 6-Pin Mortise Cylinder, 1-1/8" to 1-3/4", Straight Cam, DL Keyway — UL 437 High-Security

Medeco Bilevel Standard 6-Pin Mortise Cylinder, 1-1/8" to 1-3/4", Straight Cam, DL Keyway — UL 437 High-Security

The Medeco Bilevel Standard 6-Pin Mortise Cylinder is a UL 437 Listed, high-security cylinder engineered for commercial, institutional, and government applications demanding superior key control and attack resistance. Built with utility-patented Medeco 4 (M4) BiLevel technology, this brass cylinder accommodates a length range of 1-1/8" to 1-3/4" and features a straight cam configuration with a DL keyway and 6-pin tumbler system. Its external threads allow direct installation into standard mortise lock housings from other manufacturers, making it an ideal retrofit upgrade without replacing existing hardware.

Key Features

• Length Range: Accommodates 1-1/8" to 1-3/4" cylinder lengths, providing flexible compatibility with a wide range of standard mortise lock housings.
• 6-Pin DL Keyway Configuration: Features a 6-pin tumbler system with DL keyway for enhanced key complexity and superior pick resistance.
• Patented M4 BiLevel Key Control: Medeco 4 (M4) BiLevel technology ensures keys can only be duplicated by authorized dealers, providing strict, verifiable key control for high-security environments.
• UL 437 Listed Security: Certified against drilling, picking, and pulling attacks, meeting the highest standards for physical attack resistance.
• Sidebar Locking Mechanism: Keys must be elevated, rotated, and properly aligned before the lock can be turned, delivering superior protection against picking and bumping.
• Special Angle-Cut Keys: Requires proprietary key cutting machines and blanks, significantly increasing protection against unauthorized key duplication.
• Seamless Retrofit Installation: External threads screw directly into standard mortise lock cylinder housings; a cam on the back engages the internal lock mechanism and is secured with a set screw — no replacement of existing hardware required.
• Master Keying Compatibility: Can be master keyed into M4 BiLevel, CLIQ, or legacy Medeco systems for flexible access control hierarchy.
• Heavy-Duty Brass Construction: Manufactured from brass for long-term durability and corrosion resistance in demanding commercial applications.

Certifications & Compliance

• UL 437 Listed — Certified against drilling, picking, and pulling attacks
• BHMA Grade 1
• Heavy Duty Duty Level

Technical Specifications

• Product Group: Parts and Accessories
• Cylinder and Keyways: DL Keyway, 6-Pin
• Grade: Grade 1
• Duty Level: Heavy Duty
• Product Model: 100200J
• Product Category: Parts and Accessories
• Product Substrate: Brass
• Department: Door Hardware

Typical Applications

• Commercial Office Buildings and Corporate Campuses
• Government and Municipal Facilities
• Educational Institutions and Universities
• Healthcare and Medical Facilities
• Multi-Tenant Residential Properties
• Retail Storefronts and Shopping Centers
• High-Security Retrofit Upgrades for Existing Mortise Lock Hardware

Why Medeco Bilevel?

Medeco mortise cylinders are built to the most demanding security standards, combining UL 437 Listed attack resistance with utility-patented M4 BiLevel technology that controls key duplication at the source. Constructed from brass and rated Grade 1 Heavy Duty, these cylinders deliver professional-grade reliability for facilities where unauthorized access and key copying are unacceptable risks.