Medeco Biaxial 105500W Standard 6-Pin Mortise Cylinder, 2"–5" Length, Straight Cam, G3 Keyway

Medeco Biaxial 105500W Standard 6-Pin Mortise Cylinder, 2"–5" Length, Straight Cam, G3 Keyway

The Medeco Biaxial 105500W is a high-security, Grade 1, heavy-duty 6-pin mortise cylinder engineered for demanding commercial applications. Featuring Medeco's renowned Biaxial technology with a G3 keyway, this cylinder is available in lengths from 2" to 5" and includes a straight cam that operates the lock mechanism when screwed into compatible mortise lock cases. Constructed from brass and UL 437 listed for drill and pick resistance, it delivers exceptional physical attack protection while supporting patented key control to prevent unauthorized key duplication.

Key Features

• Versatile Length Range: Available in 2" to 5" lengths to accommodate a wide variety of mortise lock case configurations and door preparations.
• Biaxial High-Security Technology: Medeco's Biaxial design requires keys to be elevated, rotated, and aligned correctly before the cylinder rotates, providing superior resistance to picking and bumping attacks via a precision sidebar mechanism.
• Patented Key Control: Protects against unauthorized duplication of keys, ensuring that only authorized personnel can obtain copies — ideal for master key systems and high-security environments.
• UL 437 Listed: Certified for drill and pick resistance, meeting rigorous standards for high-security cylinder performance in commercial applications.
• G3 Keyway, 6-Pin Configuration: The G3 keyway with 6-pin tumbler system provides an expanded key combination matrix for robust master keying and restricted key programs.
• Broad Hardware Compatibility: Threaded exterior shell with straight cam design retrofits most manufacturers' mortise lock cases on the market, secured in place with a set screw for reliable installation.
• Special Angle-Cut Keys: Requires a specialized key cutting machine and Medeco-specific key blanks, available in a variety of restriction levels to support every security need.
• Master Key Capable: Can be masterkeyed into a system containing Medeco M4 BiLevel cylinders, offering flexible key hierarchy management across large facilities.
• Heavy-Duty Brass Construction: Precision-machined brass substrate delivers long-term durability and corrosion resistance for high-traffic commercial door hardware installations.

Certifications & Compliance

• UL 437 Listed — Drill and Pick Resistance
• BHMA Grade 1
• Heavy Duty Commercial Rating

Technical Specifications

• Product Group: Parts and Accessories
• Cylinder and Keyways: G3 Keyway, 6-Pin
• Commercial/Residential: Commercial
• Grade: Grade 1
• Duty Level: Heavy Duty
• Technology: Biaxial
• Product Model: 105500W
• Product Category: Parts and Accessories
• Product Substrate: Brass
• Department: Door Hardware

Typical Applications

• Commercial Office Buildings Requiring Restricted Key Access
• Educational Facilities and Campus Master Key Systems
• Healthcare Institutions with Controlled Access Requirements
• Government and Municipal Buildings
• Retail Establishments with High-Security Lock Needs
• Multi-Tenant Residential and Mixed-Use Properties
• Industrial and Warehouse Facilities with Sensitive Access Zones

Why Medeco Biaxial?

Medeco Biaxial mortise cylinders are built to the highest commercial security standards, combining UL 437 listed drill and pick resistance with patented key control technology in a heavy-duty brass construction rated Grade 1. The Biaxial sidebar mechanism ensures that only precisely cut, angle-specific keys can operate the cylinder, making it one of the most physically and mechanically secure cylinder platforms available for professional door hardware applications.