In the video below, locksport enthusiast Bosnian Bill demonstrates how to open a new #3 Master Lock with nothing more than a small brass hammer. If a hammer isn't an option, a screwdriver handle works just as well.
Breaking a Master Lock Is Insanely Easy
Even if you've thought up the craziest lock combination in the history of lock combinations, your stuff still isn't safe. Turns out, any Master Lock can easily be broken into with just a small hammer.
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.
The easiest way to pick a Master Lock is by raking it. This is done by first tensioning the core and using a lock pick to bump all of the pins to the shear line. Master Locks can also be picked with a variety of makeshift tools including paperclips, bobby pins, soda cans, and even chicken bones.
Most Master Locks are very easy to pick and are considered one of the easiest beginner locks when practicing lock picking. They have four standard pins and a wide-open keyway that can be quickly bypassed in many ways, including picking them with improvised tools such as paperclips, bobby pins, or even a chicken bone.
The OnGuard and Franklin locks survived shots through the center without opening, but off-center shots unlatched them. But it was the Master that proved most bulletproof. According to the report, it was completely resistant to rounds from a . 243 Winchester and a .
If so it can be easily snapped! Lock snapping is one of the most common burglary methods, and it has been estimated around 27% of all burglaries are through snapping the lock. Lock snapping occurs when force is applied to the outside of the cylinder, using mole grips or similar.
The Master Lock No. 8170D U-Lock features a 6-1/8in (15cm) wide hardened steel body for maximum strength and reliability. The 1/2in (13mm) diameter double locking shackle is 8in (20cm) long and made of hardened steel, offering extra resistance to prying, cutting, and sawing.
Master Lock products contain no toxic or harmful substances and are constructed with the greatest regard for health and safety. Master Lock's patented insulations, which make Master Lock UL classified fire resistant products, are concrete-based.
Closed Shackle Padlocks
This is a bolt cutter-proof lock by design. By further shielding the shackle on both sides, it is extremely difficult for someone to cut through with either a bolt cutter—not enough room to grip and exert force—or an angle grinder—not enough exposed parts.
Deadbolt door locks are the most secure type of key lock and are commonly used on exterior house doors. Single and double cylinder locks are classified by strength from Grade 1 to Grade 3. Grade 1 is the highest and provides the best security.
A lock with an ANSI rating of 2 can withstand five strikes of 75 pounds of force before giving way, so an intruder would have to make a tremendous amount of attention-grabbing noise to get in. Replacing a deadbolt isn't hard. But the fact is, the deadbolt is only as strong as the plate the bolt is thrown into.
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.
The Stronghold SS100CS padlock is the world's strongest padlock.
Tap the side of the lock with a hammer or similar tool repeatedly. More specifically, you want to target the side that contains the fixed end of the shackle, as the pins are located just underneath. Pound the lock over and over again using quick, short strikes.
No. Without the key number, there is no way for Master Lock to know which key will open your lock. There is not a master key that will open all Master Lock products.