What Does Security Mean


To be considered truly high security, cylinders and locks are tested by independent testing laboratories to meet specific performance criteria.

Passing UL437 and BHMA's rigid testing procedures reaffirms Medeco's ability to protect people and property. Medeco3 builds on Medeco's over 40 years of lock engineering innovation and takes security to the next level while still offering the highest level of protection against unauthorized key duplication.

Tests prescribed in Underwriters Laboratory Standard for Safety for Key Locks are primarily design to measure a locking cylinder’s ability to resist physical attack.

10,000 cycle endurance test
Resistance to picking or key fitting tests
Attack resistance tests
- Forcing, drilling, sawing, prying, pulling, and plug driving, and corrosion resistance in a salt fog chamber.

While Medeco3 cylinders meet or exceed UL437 criteria, most common or standard cylinders available today do not meet these minimum guidelines.

ANSI/BHMA A156.30 Level A Certification

Builders Hardware Manufacturing Association (BHMA) standards are certified by the American National Standards Institute (ANSI) which works with industry leaders to provide manufacturers and consumers with product quality and performance ratings based on preset criteria and standardized testing. BHMA standard A156.30-2003 approved and adopted by ANSI, covers high security cylinders and was developed by BHMA to provide specific guidance as to which products can be considered as high security cylinders. Medeco3 cylinders have been tested to BHMA's highest certification level by an independent laboratory and achieved certification in the high security cylinders category. The cylinders meet or exceed BHMA A156.30 criteria for strength and durability, key control, and surreptitious entry resistance.

Other Medeco® products, including Biaxial® cylinders, KeyMark® cylinders, and Maxum deadbolts, have also been tested and certified Grade 1 to BHMA A156.5-2001 criteria for strength and durability.

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