Medeco 2020070 6-Pin Key-in-Knob Cylinder for Arrow MK Series and LSDA 100 Series Knob Locks

Medeco 2020070 6-Pin Key-in-Knob Cylinder for Arrow MK Series and LSDA 100 Series Knob Locks

The Medeco 2020070 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 for commercial-grade applications, this cylinder is constructed of durable machined brass components and is certified to ANSI A156.30 Level A for patent-protected key control and physical strength, as well as ANSI A156.5 Grade 1 for consistent quality in heavy-use environments. Compatible with Arrow MK Series and LSDA 100 Series knob locks, it is part of Medeco's extensive retrofit cylinder lineup — one of the largest in the industry — enabling security upgrades without full lockset replacement.

Key Features

• 6-Pin Cylinder Configuration: Features a 6-pin tumbler design for enhanced security and key control in commercial cylindrical locksets.
• Broad Retrofit Compatibility: Designed to retrofit knob-type cylindrical locksets, lever-type cylindrical locksets, padlocks, and bored-type auxiliary deadlatches and deadlocks — compatible with Arrow MK Series and LSDA 100 Series knob locks.
• Durable Machined Brass Construction: Cylinders are constructed of durable machined brass components for long-lasting performance in demanding commercial environments.
• UL437 Listed (M4): Medeco M4 Key-in-Knob cylinders are UL437 listed for drill and pick resistance, providing a high level of physical attack protection.
• Patent-Pending Key Control: Utility patent-pending key control technology restricts unauthorized key duplication for enhanced access management.
• Extensive Retrofit Range: Over 100 different cylinder designs and tailpiece configurations support the most popular security hardware, minimizing 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

• 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)
• UL437 Listed — Drill and pick resistance (M4)

Technical Specifications

• Product Family: Key-in-Knob/Lever Cylinder
• Pinning: 6-Pin
• Compatible Hardware: Arrow MK Series, LSDA 100 Series Knob
• 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 ANSI A156.30 Level A and ANSI A156.5 Grade 1, ensuring both physical strength and consistent performance in high-use commercial environments. With UL437 listing for drill and pick resistance and utility patent-pending key control, the Medeco 2020070 delivers professional-grade security and access management for facilities that demand reliable, upgrade-ready cylinder solutions.