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Consultative Expert

Medeco 4 (M4)
High Security Key System

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50 years of lock innovation has taken Medeco key systems to the next level of dependability. Offering the highest level of security, Medeco 4 (M4) protects facilities and critical infrastructure from physical attack and unauthorized key duplication. M4 is equipped with patent-pending mechanical locking technology available in one of the largest ranges of retrofit formats in the industry.

A New Level of Protection For Your Facility— 

CONSULT WITH THE EXPERTS—

Master Keying Capabilities—

Medeco 4 cylinders incorporate 6 top pins and 4 side pins, resulting in greater potential combinations and ultra-expanded master keying capability.  Customize facility security to the highest level.

Protection & Control—
From Every Angle

Patent-Pending Key Control

Physical Attack

Picking & Bumping

Unauthorized key duplication can affect any industry or any facility. Be prepared with Medeco’s patent-pending M4 key control technology- designed to prevent unauthorized key copying and 3D printing.

M4 cylinders are UL 437 Listed and stand up to drilling, picking and other forms of physical attack. Trust in Medeco 4 for protection against all forms of physical breach.

The patent-pending design of Medeco 4 is engineered to protect critical infrastructure and facilities against lock tampering, picking, and manipulation. Equip your facility’s openings properly.

UL437 Listed

Medeco 4 passed all tests prescribed in Underwriters Laboratory Standard 434 for Safety for Locks, designed primarily to measure a locking cylinder’s ability to resist physical attack.

ANSI/BHMA A156.30 & 156.5 Rated

Medeco 4 cylinders meet or exceed BHMA A156.30 criteria for strength and durability, key control, and surreptitious entry resistance.

MEDECO 4 SELL SHEET—

Need to upgrade existing facility security? Get in touch with a consultative expert from Medeco to make the secure switch.

CONSULT WITH THE EXPERTS—

Get the highest level of protection against physical attack and unauthorized key duplication for commercial facilities.

ASSA ABLOY, Experience a safer and more open world

Ready to Upgrade?

CONSULT WITH AN EXPERT—

The patent-pending key design with movable element protects against unauthorized duplication and helps deter 3D copying

Shuttle Pin 
Moveable Element

Protection & Control— 
From Every Angle

MEDECO 4 SELL SHEET—

Ready to Upgrade?

Medeco 4 Cylinders Meet High Security Criteria

MORE SECURE 
WITH THE 
POWER OF FOUR

MORE INNOVATION

MORE PROTECTION

MORE COMBINATIONS

MORE SECURITY

Shuttle Pin Moveable Element

The patent-pending key design with movable element protects against unauthorized duplication and helps deter 3D copying.

Innovative 
Design

The technology built into M4 stretches the boundaries of security features that can be built into a lock and key system.

10 Pins for Ultra-enhanced Master Keying

6 primary cuts and 4 secondary side cuts results in an extreme number of possible combinations.

A New Level of Protection For Your Facility— 

10 Pins for Ultra-enhanced Master Keying

6 primary cuts and 4 secondary side cuts results in an extreme number of possible combinations.

The technology built into M4 stretches the boundaries of security features that can be built into a lock and key system.

Innovative
Design

MEDECO 4 FAQs—MEDECO 4 FAQs—