What Can Bolt Cutters Not Cut Through? A heavy-duty, hardened steel chain with hexagonal links thwarts nearly every thief with a bolt cutter. Hexagonal links (or square or trapezoidal) make it impossible for bolt cutters to get a grip.
ABUS Granit™: one of the world's most secure padlocks with a tensile resistance of over six tonnes. Granit locks have a tensile resistance of over six tonnes, making it almost impossible for attackers to release the shackle from the lock body by force.
With a circular design and a closed shackle, disc padlocks are one of those locks that will likely deter any attacks using drills or cutters. Crafted from high-grade, reinforced stainless steel, it's an option that offers a high degree of safety & security.
1) EVVA MCS
Each key has a complex rounded shape, this coupled with the magnetic element makes it an extremely hard lock to pick. The only way to gain access to the door would be for the key to be cloned, and in that case, a master locksmith would need to get their hands on the original key.
The Stronghold SS100CS padlock is the world's strongest padlock.
Kwikset Standard Deadbolt
The standard Kwikset deadbolt is the most common lock in America.
For example, even the famous Kryptonite Fahgettaboudit, undoubtedly the world's most secure portable bicycle lock up until now, featuring an unrivalled 18mm hardened steel shackle, can be defeated in 1 minute with a portable angle grinder. 1 minute 10 seconds to be exact.
Making this yet another lock that's uncuttable with bolt cutters and virtually unbreakable with any hand-powered tool. Unlike some other locks in this review, the Kryptonite Fahgettaboudit is compact and portable.
Abus 83/55mm Rock Steel Padlock CS
The best feature on this lock is the shackle guard, protecting the shackle on both sides. This makes it difficult mechanically to get the bolt cutters near the shackle. It's also made of hardened steel, making it further resistant to being cut by bolt cutters.
By being the toughest chain, we mean the Pewag chain is the hardest chain to cut with bolt cutters due to its hardened, squared steel chain.
If there's a shackle, you can use the bolt cutter to get to the Master lock. However, we find that cutting a Master lock would require more efficient tools like an angle grinder, cutting torch, or hacksaw and propane torch if the goal is to cut through the steel lock when shackles are not present.
Best High-Security Door Lock
CR's take: The Medeco Maxum 11TR503-19 is the strongest deadbolt across all of our lock categories. It's top-notch for drilling, withstands kick-ins very well, and is designed in a way that makes it quite difficult to pick.
Master Keys Set. Occasionally, someone will want the locks they use in their institution, organization etc. to have “mastered” locks. This means that although all the individual locks have individual keys, there's also a “master” key that will open them all.
What is a Restricted Keyway Lock? A restricted keyway lock is designed to prevent unauthorized duplication of keys. Most of these locks utilize a key that is controlled by one specific locksmith and also requires you to be on a signature card in order to have keys copied.
No, there are many locks that can't be picked. But that doesn't mean they can't be defeated in other ways. ABLOY disc cylinders have traditionally been unpickable due to their complexity, and number of unique combinations.
Deadbolts, however, are still vulnerable to lock picking. Pin and tumbler locks are the most common designs in use today. These locks use a series of small, spring-loaded pins to keep the cylinder from turning. When there is no key in the lock, the position of the pins blocks the motion of the cylinder.
No locks are truly pick proof, or ensure that an intruder cannot pass them, but you can take steps to improve the security of your current external doors. If you are concerned your current lock may be vulnerable, you might want to consult an experienced Locksmith.
The shackle is the weakest point of a padlock and increasing the shackle reduces the security potential of the padlock. It gives a potential padlock attacker more room to use their tools.
Yes, a higher price can ensure a higher quality of the lock's material and the mechanism itself. In this way, your lock will have a much higher resistance level than a cheap door lock. In addition, even the appearance of a higher-quality and cost-effective door lock can cause thieves to bypass your door.
Essentially, high-security locks provide additional resistance to manipulation, destructive attacks, breaching and off-site key duplication.