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One of my personal goals for 2012 was to learn tubular lock picking and become proficient enough to share my knowledge with everyone here on ITS Tactical. It took me a few more months than I would have liked, but today I’ll be walking you through how to pick tubular locks.
Tubular locks are commonly found on small gun safes, vending machines, computer locks, etc. In fact, what prompted me to get into tubular lock picking, other than for Locksport purposes, was when my son lost his key to a small handgun safe he was using for his Airsoft pistol.
Commonly thought to be more secure and more resistant to picking than standard pin and tumbler locks, I’ve found that with the help of a tubular lock pick, they’re much easier and faster to pick.
If you’re familiar with past discussions we’ve had on ITS, you’ll hopefully know what I mean when I refer to pin and tumbler locks, the kind you commonly find on your front door. Tubular locks are very similar to pin and tumbler locks and are actually a tubular pin-tumbler lock. Also known as Ace locks, axial pin-tumbler locks and radial locks.
All the features of a standard pin-tumbler lock are still there, just configured in a circular pattern rather than inline as standard pin-tumbler lock is. In fact, while the purpose of this post is to explain tubular lock picks, specifically built for picking tubular locks, they can also be picked with common single-pin picking. Only with a lot more effort.
As you’ll notice in the photo of the tubular lock pick trainer above, you have the spring, key pins (red) and driver pins (gold). This is also represented in the diagrams below as (red) key pins and (blue) driver pins.
Each complete pin stack is pushed with help from it’s spring towards the front of the lock. This binds the shear line and prevents the plug from turning (colored yellow in the diagrams.) The difference with a tubular key and a standard key is that instead of the cuts of a key, a tubular key has half-cylinder indentations with map to the height of the pin stack. It also means that duplicating a tubular key requires different machinery.
The top center of the interior of a tubular key features a raised protrusion that aligns the key in it’s proper configuration to map to each pin-tumbler stack. When the key is inserted, those mapped heights align, causing the shear line to separate and allow the plug to turn from the outer shell (green in the diagram below.)
Tubular Lock Picks
Standard configurations for tubular lock picks are 7 pin, 8 pin and the less common 10 pin. Some tubular locks are even six pins and while I haven’t personally tried it, the 7 pin tubular lock pick should work on the 6 pin lock. I suspect this is the case, as I’ve used an 8 pin tubular lock pick to pick “some” 7 pin tubular locks.
The parts of a tubular lock pick include independent needles that correspond with each independent pin stack. These needles are held under tension with the use of the rotating collar.
Below the needles, but before the handle, there’s a washer that facilitates resetting the tubular lock pick. This brings us to the first step in using a tubular lock pick.
- Ensure the needles are free and can move independently and loosen the collar to the point where it’s just barely finger tight to apply light tension to the needles.
- Extend all the needles by pressing the washer to move them beyond the end of the pick.
- Press the complete pick against a hard surface to reset the needles to their baseline height.
- Insert the pick into the lock slowly, allowing the picking needles to map to the corresponding pin stacks.
- Slowly apply left to right turning torque to the pick and the lock should pop open.
- Once the lock is picked, remove the tubular lock pick and tighten the collar.
- *See the YouTube Video embedded above for a walkthrough of these steps.*
Now comes the amazing part. With the collar tightened down, you now hold a key in your hand that will open the tubular lock over and over again. With a tubular lock decoder you can actually measure the height of each pin as is corresponds in a clockwise pattern around the tubular lock pick. With that “code” you can have a locksmith create a duplicate key. That, or you can take your now decrypted tubular lock pick to a locksmith and have them reproduce a key.
It’s actually scary how easy it is to not only open tubular locks, but to continue to open them over and over again. To me, these are less secure than household pin and tumbler locks, due to the ease of creating a new key. There are of course ways of impressioning a key blank on a standard pin-tumbler lock, but take much more effort than the tubular lock pick does.
There’s even more to tubular locks that I’ll save for a future discussion, but if you’re interested in jumping ahead, google how to pick a tubular lock with a ballpoint pen.
As always, our goal with providing locking picking information is to continually break down the illusion of security you may depend on to keep your family and personal effects safe. Through gaining more knowledge of this skill-set, you can make more informed decisions when it comes to protecting your valuables.
Remember, locks and security in general is only to buy you time. They’re there to keep honest people honest.
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my late grandfather had a Sentry fire safe that has a tubular lock. I purchased a tubular lock pick (not the one shown) and on first try i was able to get the lock free and turned it to the right and the lock popped out. I pulled the lock pick out to open the door and the door would not open. i tried to put the pick back in and i am unable to turn the lock anymore (trying for 3 days now) did i turn the lock the wrong way? how should i fix this. thank you so much.
Belle you sur
May i ask you how much thé price of this lightening can i get it because i réside un morocco please i'll wzit for thé answer to email [email protected] thx
@VojkanLutrijaApostoloski - At the spelling book store
Hi Thanks for getting back to me - I dont think it has a depressed middle bit
I'm just worried that the tool will be too big ?? Do you think a lockssmith in NZ would be better
Even break the lock and replacing
Well, if NZ is anything like Australia concerning lock manipulation tools, you will need permission from your government to have them.
If destruction of the lock is an option, take a center-punch and hammer to the center pin.
Once it breaks, the pins and springs will fall from the lock body. You will then be able to actuate the mechanism with a flat screwdriver.
Don't count on being able to replace the lock, however. They are no longer made, so the only place you are likely to find one is another machine, for which you will also need a key.
Hi - I have an old tubular lock ?? Apparnetly its 4 pin - its really small. It for an old Alcohol vending machine
Do you know how to open this ?? I have lost the key
This is a specialty lock. I could build you a tool, but honestly it would be cheaper for you to fly me out there to open it and make you a key. It might also be cheaper to see if there is a locksmith a little closer to home. They will not likely have the tool required, since every such tool in existence has been home-made.
A standard 8-pin tubular pick would have the correct pin placement, but my guess is you have a depressible center lug, in which case no standard pick will work.
Feel free to email me through Livefyre and we can exchange contact details.
I have a 7.8mm pick and it will not go into the lock - what is that a measurement of?
What do you mean by the size of the ring? How is the correct size determined?
If the 7.8 will not fit, you need at least the next size down, which is a 7.5.
The 7.5 is a size in millimetres on the inner diameter of the tool, or the outer diameter of the lug in the center of the lock.
Hi, is there a place to get the conversion between 4-digit Harley key code and the height of the seven pins? Like what would be the 7 pin heights of HD3678 ? Thanks
Hello needs a tubular pick 10 pin with an external diameter of 11 millimeters or pościadacie you such a decoder
Use a micrometer and measure the place for the inner diameter thaere is 7 mm 7.5mm 7.9mm are common barrel sizes and count number of pins
I am trying to open an old Japanese pay phone so I can rewire it. It has a tubular lock, but it is 12 mm across instead of a normal 7.5 mm. Do you know where to get that? Or, know how to make something that might do it?
Wooden doweling makes good home brew material you can find different sizes and very easily sand down to make the size you need I bore out my center hole first before making the groves for the pins to sit in I use rubber bands the little braces ones and bobby pins
I work in IT in an organization that uses a lot of Kensington Microsaver locks. They are mostly the ACE/Tubular style like you describe above. We usually remove locks that we do not have keys for with bolt cutters but we were hoping for something with a little bit more finesse. Using the technique describe above - we can easily pick open the lock into its first point of rotation. At that point what appears to be the 7th pin looks to jam down all the way into the lock preventing the cylinder from turning. At that point the cylinder even if we find the key we cannot open the lock.
I think this is related to their design:
This tubular lock system includes Hidden Pin technology with anti-rotation pins that resist picking. When a MicroSaver lock is tampered with, it locks itself down and can trap foreign keys. Anti-Shear technology guards against forced intrusion.
Can anyone shed light on what is happening here and what can be done about it?
Shave the nib off of the outer diameter of the barrel of the key. This will allow you to remove/insert the key at whatever point in its rotation.
@ITGeekz The lock won't open until you hit the 90 degree position. Once you get 1/7th the way turn, the pins relock if you don't keep pressure on the pins. This is because 1/7th the way around, the pins line up again and lock the barrell. THis is why most barrell locks won't allow you to remove the key until it's in the locked position, due to if you remove it anywhere else except the 12 o'clock position, it will relock at any of the 7 positions of rotation.
@vending Order a 7.8 mm instead of a 7.0
It can be confusing, especially when you are looking for a 7 pin lock pick and there are three sizes, 7.0, 7.5 and 7.8 mm. But those decimal numbers are a reference to the size of the ring, not the number of pins.
Great video. We have a glass display we lost the key for. Where can I but this tool and is the 7 pin or 8 pin more popular?
@therock35 If you look closely inside most tubular locks, you can count the pins.
I have a harley davidson M/c that has a tubular cam lock for the fork lock, which is jammed in between the locked & unlocked position, does anybody know how to remove the lock? I need to replace it.
What is the common diameter for locks on the Gunvault handgun safe?
Lock myself out and need to order a pick
I would argue your comment in the video that there aren't Tubular rakes, that the Tubular pick is a raking type pick. You aren't picking individual pins as much as raking several until it opens. Just my two cents
Awesome tutorial, Bryan, thank you! Have been interested in standard picking for awhile and now we have the tubular lick picking explained with video and images! Excellent article!
I know if you look online hard enough you can get the cutters. Most of them are on the pricey side at about $350 but if it hapens a few times the ability to cut your own key could come in handy the, keys run about $.50 per key. I have seen some cutters for the 7 pin locks down around $65 but I have never used them or seen them used personaly. I will put a link in the website box so you can check out the cutters if you want to.