The most difficult locks to pick for a locksmith.
Ranking factors:
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Complexity of the lock mechanism – The more complex the lock mechanism, the harder it would be to pick. Locks with multiple pin configurations, sidebars, and additional security features increase difficulty.
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Number of pins/tumblers – Locks with more pins and tumblers make it more difficult for a lock picker to manipulate the internal components successfully.
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Pin variety and arrangement – Locks that contain a variety of pin types, such as security pins (spool, serrated, mushroom), as well as varying lengths of pins in random arrangements, will increase the difficulty of picking the lock.
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Tolerance level – Locks with tighter manufacturing tolerances make it harder for a lock picker to manipulate the pins, as it requires more precision and sensitivity.
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Keyway design – A restricted or paracentric keyway can make it more challenging for a lock picker to maneuver their tools within the lock, making it more difficult to manipulate the pins.
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Additional security features – Anti-drilling, anti-bumping, anti-snap, and magnetic components can add an extra layer of security, making the lock more challenging to pick.
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Lock type – Different types of locks (such as disc detainer, lever, pin tumbler, or electronic) require different methods and skill sets to pick, adding to the level of difficulty.
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Skill and experience of the lock picker – While not a direct factor related to the lock itself, the difficulty in picking a lock is partly determined by the skill and experience of the person attempting to pick it. A more skilled and experienced lock picker may find it easier to pick a lock that others may consider difficult.
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Quality of lock-picking tools – High-quality and specialized tools could make it easier to pick a lock, while poor-quality tools could make it more challenging.
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Time and patience – Some locks may take an extended amount of time and patience to pick, which can be considered a factor in the lock’s difficulty.
The Top 10 most difficult locks to pick for a Locksmith
#1 Medeco High-Security Lock
Medeco Security Locks
This lock uses a unique keyway design, rotating pins, and hardened steel inserts to resist picking, drilling, and bumping.
#2 Abloy Protec2
This lock uses a rotating disk mechanism with over 2 billion possible key combinations. It is resistant to picking, bumping, and drilling.
#3 Mul-T-Lock MT5+
Mul-T-Lock
This lock uses a telescopic pin mechanism, mushroom pins, and interactive elements to resist picking and bumping.
#4 Assa Abloy Twin Combi
Assa Abloy
This lock combines both mechanical and electronic components to create a highly secure locking system. It is resistant to picking, bumping, and drilling.
#5 EVVA MCS
EVVA
This lock uses a magnetic slider mechanism and a patented keyway design to resist picking and bumping.
#6 Kaba Mas X-09
Kaba Mas
This lock uses an electronic keypad and multiple layers of encryption to create a highly secure locking system.
#7 Sargent and Greenleaf 2740B
Sargent and Greenleaf
This lock uses a combination dial and multiple relocking devices to resist drilling and manipulation.
#8 Yale Superior
Yale
This lock uses a side pin design and anti-pick pins to resist picking and bumping.
#9 BiLock Exclusive
BiLock
This lock uses a dual sidebar mechanism and a patented keyway design to resist picking and bumping.
#10 Chubb Detector Lock
Jeremiah Chubb
This lock uses a combination of levers and a detection system to resist picking and drilling. If the lock is tampered with, a mechanism inside the lock will trigger an alarm.
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