Medeco 20200V1 6-Pin Key-in-Knob/Lever Retrofit Cylinder for Alarm Lock, Cal-Royal, Dorma, Kaba-Mas, Marks & More

Medeco 20200V1 6-Pin Key-in-Knob/Lever Retrofit Cylinder — ANSI A156.30 Level A & Grade 1 Certified

The Medeco 20200V1 is a 6-pin Key-in-Knob/Lever retrofit cylinder engineered to replace cylinders in knob-type cylindrical locksets, lever-type cylindrical locksets, padlocks, and bored-type auxiliary deadlatches and deadlocks. Compatible with leading hardware brands including Alarm Lock, Cal-Royal, Dorma, Kaba-Mas, and Marks, this Medeco M4 cylinder delivers UL437-listed drill and pick resistance along with utility patent-pending key control. Constructed of durable machined brass components, it is designed for demanding commercial applications where security and key control are paramount.

Key Features

• Broad Retrofit Compatibility: Designed to retrofit knob-type cylindrical locksets, lever-type cylindrical locksets, padlocks, and bored-type auxiliary deadlatches and deadlocks across brands including Alarm Lock, Cal-Royal, Dorma, Kaba-Mas, and Marks.
• 6-Pin Cylinder Configuration: Features a 6-pin tumbler design for enhanced security and key control in commercial-grade applications.
• UL437 Listed: Medeco M4 Key-in-Knob cylinders are UL437 listed for drill and pick resistance, providing verified protection against forced entry.
• Patent-Pending Key Control: Utility patent-pending key control technology restricts unauthorized key duplication for superior access management.
• Durable Machined Brass Construction: Cylinders are constructed of durable machined brass components for long-lasting performance in high-use commercial environments.
• Extensive Retrofit Range: Medeco offers over 100 different cylinder designs and tailpiece configurations, enabling the largest retrofit capability in the industry and reducing the need for complete lockset replacement.
• Multiple Finish Options: Available in 14 finishes 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

• UL437 Listed — Drill and Pick Resistance (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: Alarm Lock, Cal-Royal, Dorma, Kaba-Mas, Marks, Medeco
• 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/Lever cylinders are built from durable machined brass components and certified to ANSI A156.30 Level A and ANSI A156.5 Grade 1 standards, ensuring both physical strength and consistent quality for heavy-use commercial environments. With UL437-listed drill and pick resistance and over 100 tailpiece configurations available, Medeco delivers unmatched retrofit flexibility and security performance for professional door hardware installations.