Medeco 2020052 6-Pin Key-in-Knob Cylinder for Schlage C & D Series Heavy Duty Knobs and Padlocks

Medeco 2020052 6-Pin Key-in-Knob Cylinder for Schlage C & D Series Heavy Duty Knobs and Padlocks

The Medeco 2020052 is a 6-pin Key-in-Knob/Lever cylinder engineered to retrofit knob type cylindrical locksets, lever type cylindrical locksets, padlocks, and bored type auxiliary deadlatches and deadlocks. Designed specifically for compatibility with Schlage C & D Series heavy duty knobs and new standard padlocks, this cylinder is constructed of durable machined brass components for long-lasting commercial performance. Medeco M4 Key-in-Knob cylinders carry UL437 listing for drill and pick resistance along with utility patent-pending key control, making this an ideal high-security upgrade for demanding commercial environments. Certified to ANSI A156.30 Level A and ANSI A156.5 Grade 1, the 2020052 delivers both patent-protected key control and consistent quality for heavy-use applications.

Key Features

• 6-Pin Cylinder Configuration: Features a 6-pin tumbler design engineered for enhanced pick resistance and superior key control in commercial-grade applications.
• UL437 Listed: Medeco M4 Key-in-Knob cylinders are UL437 listed for drill and pick resistance, providing a verified high-security barrier against forced entry.
• Patent-Pending Key Control: Utility patent-pending key control technology restricts unauthorized key duplication, protecting access integrity over the life of the installation.
• Durable Machined Brass Construction: Cylinders are constructed of durable machined brass components, ensuring long-term reliability and resistance to wear in high-traffic commercial settings.
• Broad Retrofit Compatibility: Designed to retrofit knob type cylindrical locksets, lever type cylindrical locksets, padlocks, and bored type auxiliary deadlatches and deadlocks — specifically compatible with Schlage C & D Series heavy duty knobs and new standard padlocks.
• Industry-Leading Retrofit Range: Medeco offers over 100 different cylinder designs and tailpiece configurations, providing the largest retrofit capability in the industry and reducing the need for complete lockset replacements.
• Wide Finish Selection: Available in 14 finishes including Bright Brass, Satin Brass, Antique Brass, Satin Brass Blackened, Bright Bronze, Satin Bronze, Oil Rubbed Bronze, Bright Nickel, Satin Nickel, Antique Nickel, Black, Dark Bronze, Bright Chrome, and Satin Chrome to match existing hardware aesthetics.

Certifications & Compliance

• UL437 Listed for Drill and Pick Resistance (Medeco M4)
• ANSI A156.30 Level A — Patent-Protected Key Control and Physical Strength (M4, M3)
• ANSI A156.5 Grade 1 — Consistent Quality for Heavy Use Applications (M4/M4 BiLevel, M3)

Technical Specifications

• Product Family: Key-in-Knob/Lever Cylinder
• Pinning: 6-Pin
• Compatible Hardware: Schlage C & D Series Heavy Duty Knobs, New Standard Padlocks
• Certification: UL 437 Listed; ANSI/BHMA A156.30 (M4); ANSI/BHMA A156.5 Grade 1 (M4)
• Construction: Durable machined brass components
• Warranty: 2-year manufacturer's warranty

Typical Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Medeco?

Medeco Key-in-Knob cylinders are built from durable machined brass components and certified to both ANSI A156.30 Level A and ANSI A156.5 Grade 1 standards, ensuring patent-protected key control and consistent performance under heavy commercial use. With UL437 listing for drill and pick resistance and over 100 retrofit cylinder designs available, Medeco delivers professional-grade security solutions engineered for the most demanding access control environments.