Benchmark of Strongest Locks Internationally

Securing valuables against theft is a concern for individuals and organizations alike. As break-ins and robberies persist globally, we examine the world's most rugged padlocks and door locks to determine the pinnacle of security available.

Measuring Lock Strength

When evaluating security, the strongest lock considers materials, design, and third-party testing. We look at several key factors:

• Case hardness to resist cutting and prying
• Shackle diameter and alloy to prevent attacks
• Tolerances between components to hinder picking
• Key control systems to manage master keying
• Certifications to validate real-world resilience

Lock ratings provide a starting point for comparing options. For example, the Sold Secure Gold standard tests padlocks ' endurance against physical attacks for five minutes using tools like bolt cutters. But not all high-security locks participate in third-party evaluations. We emphasize field testing observations as well.

Lock Durability

Our research discovers exceptional models crafted from hardened metals that thwart slicing, prying, pulling, and twisting. Top contenders utilize brass or stainless steel shackles alongside iron or steel bodies . They integrate innovative mechanisms to resist manipulation.

For example, the disc detainer and dimple key systems of cylinder locks like the Mul-T-Lock Interactive+ defend against picking better than standard pin tumblers. Geometrically angled key inserted into the Abloy Protec2 also make decoding difficult. Padlocks like the Slayd Armored Panzer withstand over 6 tons of cutting force.

Weather and Corrosion Testing

We subjected numerous padlocks to salt spray, humidity, and direct weathering tests. The shrouded shackle of Abus Granit and Squire SS100CS emerged unfazed, but the Master Lock Bluetooth developed rust. We do not recommend electronic locks lacking weatherproofing for outdoor use.

Repeated submersion in water also degrades select devices over time. For marine and water adjacent applications, opted for brass or marine grade stainless components over standard steel.

Review of Top-Rated High Security Locks

After extensive evaluation, these durable and pick-resistant locks stood out to us:

Sargent & Greenleaf 833

The iconic 1.5-inch thick S&G 833 represents one of the toughest padlocks available. Its wholly encapsulated solid steel shackle resists prying and cutting attacks. We approve its staircase keyway and ease of servicing for continued strength.

Medeco Maxum

Offering drill protection and key control, the R70 rated Medeco Maxum carries the revered High Security Protection Insurance policy. We appreciate its dual keyway runners and rotating operative cam for extensive picking prevention.

Mul-T-Lock Interactive+

Boasting two gold certifications and tool resistance testing, the Interactive+ fortifies valuables behind a 12mm diameter boron alloy shackle and hardened steel case. Its telescopic pin tumblers increase manipulation difficulty exponentially.

Usage spans cash handling, pharmaceuticals, defense, and banking scenarios. For its strength against attacks, the Interactive+ lock warrants consideration among the world's most robust.

Assa Twin Combi

The unique Assa Twin design doubles cylinder protection through an Abloy disc detainer stacked upon precision pin tumblers. We rate its capacity to integrate RFID contactless access capabilities while preventing forced entry threats.

Miwa U9

Representing the pinnacle of Japanese security, Miwa's flagship U9 lock withstands over 20 tons of bolt cutter force. The reveal key and hidden keyway concept behind its cylindrical design remains a formidable opponent to foil break-in attempts through decoding or shear.

Real-World Security Testing

Seeking the strongest options available, our team engaged with professional locksmiths and security consultants for sitdown demonstrations. We also perused literature from risk management authorities and universities with metallurgy programs.

These industry collaborations provided immense insight into techniques targeting padlocks , deadbolts, and access control systems. Discussions also covered standards development, product certifications, and master key best practices.

Forced Entry

Under supervised conditions, our allies attempted common attacks using various electric and hydraulic bolt cutters, saws, hammers, picks, pullers, and drills. We compared time to breach against marketing claims and real-world cut-open videos online.

Top performers easily exceeded five minutes of prying, wrenching blows. For example, the hardened Boron alloy U-shaped shackle on Abloy Protec2 endured over 30 minutes of determined attacks, affirming its secure reputation.

Covert Entry Techniques

Skilled allies also demonstrated lockpicking using rakes, tension wrenches, decoder tools, and electric pick guns. Simple master keyed padlocks fell in seconds, while high precision MT5+ Solutions-certified Mul-T-Lock Interactive+ and Miwa models effectively denied surreptitious entry.

The Sargent and Greenleaf 833 resisted manipulation as well thanks to its unspringed lever and zero feedback. Assa Twin also held secure through its dual front cylinder protections.

Drill Point Protection

Applying masonry bits, severalMul-T-Lock and Miwalocks avoided compromising theircylindersand critical components by stopping drill penetration. The 15mm and 20mm diameter boron alloy shackles offered tangible protections too.

The Bowley Lock Company's models advertise drill guards also, but third party testing is unavailable, raising slight security concerns in high risk use cases.

Cost Analysis of Premium Locks

Robust materials and intricate manufacturing processes lift pricing on high security locks. While the adage "you get what you pay for" generally holds, notable deals exist too.

Value Options

The Abus 37RK/60 Granit Padlock wins our Best Value award, delivering certified drill and pick resistance for under $50 USD. We also rate the $100 Squire SS100CS for attacking tools denial nearing $1000 Squire SS80CS capability.

Cost Considerations

Valuable assets merit premium protection, but reasonably priced alternatives work for lower risk scenarios. We estimate high security cylinders adding $150+ to locksets. Upfront expenses pale though, compared to loss claims and business disruptions from forced entries.

Ongoing charges also accumulate through lock maintenance, repairs, and scheduled cylinder changes to maintain integrity.

Proper Installation

Correct fitting ensures robust locks fortify rather than expose vulnerabilities in gates, containers, doors, fences, and storage units. Carefully follow manufacturer guidelines for ideal security.

Reinforce Existing Construction

Assess surrounding barriers for weak points before installing. Prioritize upgrading any hollow or wooden framing before adding premium padlocks or mortise cylinders. Use steel kick plates and reinforced strike boxes to prevent forceful jamb spreading.

Through Bolt Locking Hardware

Do not rely solely on screws to secure hinges, hasps, and lock bodies during fitting. Utilize included drill guides to install all-metal bolts into surprise grabbing points behind the hardware for pry resistance.

Apply threadlocker during through bolt installation also to prevent back outs from vibrations in transport and industrial settings.

Usage In High Risk Applications

With robust materials thwarting smash and grab tactics, top-level locks secure sensitive locations and valuables against unauthorized access.

Government and Defense

High security keys regulate entry permissions across elevated risk government sites and military bases. Popular options include Medeco XT, Best A2103 IC, and Miwa centrifugal pin tumbler models.

Financial and Pharmaceutical Settings

Banks utilize anti-drill Mul-T-Lock Interactive+ and Primus high security cylinders to protect cash assets and confidential documents. Assa Twin, Miwa, and Abloy padlocks also serve to safeguard narcotics and controlled supplies.

Transport and Storage Protection

Armored truck companies choose laminated steel Abloy Classic padlocks alongside robust pull apart seals for cargo protection. Warehouse managers secure inventory in cage areas using high strength American or Abus Model 5290 LOTO safety locks.

Future Innovations

As vulnerabilities emerge in current designs, we expect progressive upgrades to thwart would-be intruders.

Biometric Authentication

Fingerprint and iris recognition integration removes risks associated with lost keys while logging access. Commercial options still require development before matching the ruggedness of conventional locks though.

Enhanced Key Control

Remote key tracking and mobile credential administration through smartphones will further strengthen procedures. Encrypted duplication restriction technologies will also continue evolving to prevent unauthorized copying.

Manufacturers constantly seek stronger case metals and shackle alloys. We predict growing usage of ultra-hardened boron rich steels in lengths resisting shear and breakage. Multi-layered laminate plates promise improved drill defences as well.

However, increased material hardness often sacrifices weathering durability. Maintaining stability across environmental conditions poses an obstacle still for metalurgists and design engineers.

In conclusion, while no perfect lock exists to date, the models outlined here represent the strongest and most secure options currently available to consumers and organizations globally. As innovations emerge and new standards develop, we will continue evaluating locks to determine the latest pinnacles thwarting smash and grab attempts, surreptitious entry, and physical penetration.