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.
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.