How To Cut A Lock Without Bolt Cutters

Surely you have once left the key in the house and left the door locked. Unfortunately, when you come back and can’t get into the house, you either don’t get the lock well or don’t have the tools to do it. It can be frustrating, but don’t worry. I once forgot my keys like that and thought, with a bolt cutter, I could easily cut the lock. However, with super durable steel, only bolt cutters with the right handle length can cut locks. So, with my reference and experience, I will share my knowledge on how to cut locks without a bolt cutter. This process will be presented step-by-step in three main sections:

Things You WI will WOMENeed



angle grinder

This might be the best way to cut the key. Called a side disc grinder, this is a portable machine used for cutting and sharpening. The 60-grit disc, 3⁄64 inches (1.2 mm) thick, is the ideal size. It is compact but can be used to cut thick metal shackles. I recommend buying a battery-powered angle grinder because it is portable and will come in handy when there is no electrical outlet to plug in.


Through this bellows, the metal will be heated and quickly oxidized, generating fire and heat. Then, a jet of oxygen emitted from the center of the flame will shine through the heated area, severing your metal rod. Cutting torches are standard tools that you can find at construction sites or metal stores.

Two wrenches (one inch and one 13/16 inch)

This is a useful trick that I learned from a Youtube channel. You will need two wrenches of two different sizes. You can use wrenches of different sizes, but one should be larger than the other and one side of each should add more space between the shackles.

A Halligan and an ax

This method is often practiced by firefighters because I have been told that these tools are always present in their kit. This way you will need to be brave and careful because you need to hit down to get enough force on the bar. You may get injured if you miss.

Hacksaw and propane torch

A propane torch is a device that uses propane, a hydrocarbon gas, as a source of fire or heat. The manufacturing, construction and metalworking sectors are the most typical users of this tool. . This is the last option that you can choose in case you cannot use the above tools because it is quite time consuming.

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Step by step-Step Process


1. Cut the lock with an angle grinder

Step 1: Prepare face mask and gloves.The process of using this angle grinder may generate sparks and metal debris due to the friction process. So, wearing those items first will ensure your safety. Please wear a shirt with long sleeves for extra safety. Keep away from nearby flammable objects as they can cause a fire. To be extra careful, you can prepare a fire extinguisher.Step 2: Hold the padlock in a stable positionRead more: how to bring Brazilian hair back to life | Top Q&A You can use a number of items, such as covers or pliers, to immobilize and limit the movement of the lock while performing the cutting process. Choose a tool that can clamp to the width or length of the lock as there will be no support for it.Step 3: Start on the shackle of the padlock.If you don’t have the tools to hold the lock steady, you can try placing the sharpener blade perpendicular to the U-shackle. Cut slowly as this can create sparks. No need to apply too much pressure because the motor will do it for you, after successfully cutting the lock, avoid placing your hand near the cutting area because it is still quite hot due to the heat generated. If that doesn’t work, you can try with the other side of the shackle.

2. Cut the lock with a torch

Step 1: Open your oxygen and acetylene tankThere are some tips for this step to avoid overheating. According to the experience and advice from others, you need to open the oxygen tank and the remaining 1/4.Step 2: Set PSIAcetylene cylinders are pressurized at a significantly lower pressure than oxygen tanks, at about 250 psi. However, unlike oxygen, acetylene is unstable and cannot be used in torches with more than 15 psi pressure. For padlock cutting, I recommend setting the PSI of oxygen between 40-50 and 5-6 for acetylene.Step 3: Oxygen and acetylene intake valveSome people think that the oxygen valve should be fully opened, others think that only half is enough. So, depending on the effect it brings, you can choose for yourself. With acetylene, I’d recommend only opening a little to avoid surprises.Step 4: Adjust the valveThis step is very important because it gives impetus to the cutting process. If black smoke is still present, you need to adjust the acetylene valve until it no longer appears. Similar to the oxygen valve, you need to adjust until white and concentrated smoke is formed.

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3. Cut the lock with a wrench

Step 1: Check the actual mechanismIf you don’t remember which hand it was unlocked with, you can check the keyhole. If one side has a larger opening, the locking shackle will fall out on the opposite side.Step 2: Set the wrenchRead more: I don’t understand my problem. Look at one side of the smaller spanner on the stationary side, the other side will be on the side with the up and down shackles. Make sure they fit snugly next to each other and line up.Step 3: Pull the wrenches togetherIt is hard to describe in words but you can understand that, after the second step, the two wrenches will be in a position to form a V shape. All you need to do is pull them together quickly to form a straight line and Apply pressure on it until you hear a “pop”. Next, you need to change the positions of the two wrenches and repeat the above method. This process can take a while and requires patience. Try this step again a few times until the cuff pops off.

4. Cut the lock with the Halligan and the ax

Step 1: Put the Halligan in placeThere are two ways you can choose to place the bar. First, place it in the space between the shackles from above, over to the other side. Second, rotate the bar horizontally and place it on the top plane of the padlock so that the curved blade of the Halligan bar is facing downwards.Step 2: Slide the barAt this point, use the ax to knock on the flat surface of the rest of the curved blade. Knock hard several times until the shackle breaks. It sounds simple, but you really need to be careful and apply enough force on the Halligan.

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5. Cut the lock with a hacksaw and a propane flashlight

Step 1: Heat the cuffsTurn the valve to adjust the flame until it looks like a converging white flame. Choose a certain position to heat, avoid moving the torch too much. To keep it from moving, you can use the aforementioned pliers or pliers. This process may take up to several minutes. It is similar to making a metal bar, you need to heat it to soften before using the saw to cut the lock.Step 2: Cool the lockThis step is to ensure that your saw is not affected by the large amount of heat remaining on the lock. Again, this can take about a minute or two until the shackles are no longer hot.Step 3: Cut the lockPlace the saw correctly in the heated position and press firmly on it. Since the hacksaw is used for cutting metal, you can cut the lock without a bolt cutter in a minute.Tips and tricks


You may find other articles with similar content on other platforms. However, the knowledge I am adding to you today is all that has been selected and verified by many people. In the article how to cut a padlock without a bolt cutter, you learned the necessary tools as well as the best methods to break a padlock without a bolt cutter, these are lifesaving methods for people. unfortunate cases. Either way, although I still recommend getting your tools ready in advance, I don’t expect this to happen to you. If you want to read more information on similar topics, do not hesitate to leave a comment below or email us at the address at the bottom of the website. Read more: philosophy is learning how to die

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