(12) Defeat Chinese Disc Detainers by Exploiting Their Design Defects

In this video I'll show you how to defeat Chinese disc detainers by exploiting one of their design defects. These are tough to pick open, but DO have a weakness.
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[@SchuylerTowne]

Going to be referencing this the next time I'm doing a disc detainer talk. Good stuff as always.

[@SchuylerTowne]

Yeah, feeling good to be getting back into it :)

[@pirobot668beta]

When I was enlisted in the US Army, we got some really nice high-security pad-locks; hardened shackles, hardened steel bodies and cylinders. The down-side was that about 2 dozen of the locks were keyed 'flat'! Yup, every notch on the key was the same level! Each lock had a different profile, to be sure, but the profiles were essentially a straight line with tiny 'teeth'! We sent them back after I was able to pick every one of them with a small screw-driver...

[@Dcook85]

That awkward moment when your "high security" padlock is defeated faster than a Master lock.

[@any123-og]

At Lowes, we have select master locks, so you can pick out the perfect one.

[@any123-og]

LOL

[@r5cpt]

That's extremely unfair towards these chinese locks - a Master lock is defeated, literally, in ONE SECOND! Check it out (another bosnianbill video): kzbin.info/www/bejne/pKSti5KhgM-Lmac

[@JimFortune]

It took you longer to set up the camera than to open the lock!

[@ravenousbadgers9613]

A lot of love for this video. My local town council uses similar Chinese padlocks on all of their so called 'No-Entry' areas and I've managed to raise a few eyebrows by sharing this with them!

[@andrewburns3823]

Eyebrows raised, but did they CHANGE anything? : )

[@idkidk4334]

​@@andrewburns3823probably not our restricted areas use basic house locks instead of something like a medeco or primus 🤦‍♂️

[@Paxmax]

ACK! Plastics for lock detention?! C-razy. Basically you can hold a lighter under the lock and heat up the guts and then with a gloved hand just yank the shackle and the balls would deform the softened plastics.

[@chaon93]

+Paxmax Or heat it up and smack it with a hammer a few times.

[@damirrorlink]

+chaon93 That would still take longer than just using the screwdriver method.

[@RoyU-fw4wx]

+Paxmax i hope you do realize that one good steel lock can buy 5 to 20 plastic cheap one.... i think his point is that dont save money on such important thing..... and also china made those cheap one because American buys them, it is not about selling shxt

[@Paxmax]

Ryu Song totally agree

[@leexgx]

there is something faster its called Bolt cutters, i know as that is all was left of my lock (just a bolt cutted padlock) as my bike got pinched at college Very long long time ag o(the new bike the news paper got me after that followed me into the collage every time after that and they did not stop me,, now i look at it it would of been bad PR for the collage if they did stop me so i guess its why they allowed it but did not tell me if i was allowed or not) any way these things will not be immune to a bolt cutter. all the fussing with screwdriver and pulling it out when you can just cut it with a small bolt cutter in 5 seconds (and most of that time is getting it out to put it over the lockbar) and be gone with the bike. even cheap D-Locks only require shock to brake them (one hit hammer and a large flat head screwdriver) most newer Real bike locks have 2-4 layers of protection you cant saw them and its nearly imposable to cut them (unless you have a circular saw but it make a lot of nose and even then Plastic or kevlar might even Jam the disk)

[@idkidk4334]

"HOWDY! welcome, break in and enjoy free stuff!"

[@budderbendy]

Thanks for this video i had two of these type locks on my shed and they were sturdy and large but after watching this video i tried it and it took me seconds to have the locks in pieces...new better locks now added.

[@vcval]

I was going to say apply heat to it see if the plastic melts but the screw driver works much better

[@DoctorWhy777]

Shit, thats crazy. Looks like a lock feels like a lock but you would probably be just as secure using elbow macaroni and some silver paint.

[@swine13]

And more stylish, to boot!

[@MuradBeybalaev]

That plastic bit is hilarious. Won't probably stand even a couple of hammer strikes on the body before the ball bearings sink into the plastic.

[@abbtech]

I wonder what a bit of heat would do to that plastic. although the screwdriver method would still be faster.

[@m4xwellmurd3r]

i was thinking the same thing. a torch and a pry bar would take it off real quick

[@swine13]

And very quiet. Bright, but quiet

[@andrewburns3823]

Melted plastic is smelly. Molten pot-metal might disfigure whatever was locked. But your point is well made.

[@seanb658]

First time You added "Stay Safe, Stay Legal" to a posted video. +Bosnianbill

[@andrewmathison962]

Brilliant, Brilliant, Brilliant!!! Many, many thanks for a really great video. Andy

[@davidterry3288]

Nice to know I can be a locksmith with a screwdriver and not have to buy fancy tools. A wrench and screwdriver used to bust open most US Army locks. Not that I ever did such but did hear a rumor.

[@ZacGuo]

So much fun to watch your videos, wonderful job. I'm from China, so I know how Chinese people make stuff... Don't buy if not have to

[@m1anh492]

Although, it took you longer to open than a Masterlock...Great vid's, I've spent hours watching them. Keep up the great work.

[@ArunBasilLal]

Thanks for this one Bill, these locks are very common here in India and now I know never to get one of these.

[@TCFarms]

Thanks for the video! I subscribed. Going to be checking every padlock for now on and getting onto managers that they need to be springing for the better stuff.

[@danielroglich3309]

Great video,loved the visual explanation of disc detainer locks , found it very helpful ty!

[@86Ivar]

About the hardened bar, You could heat the bar with a propane torch so it softens the hardening and it will be alot easier to cut.

[@oBseSsIoNPC]

quite the lol-moment when you pried the cover plate of that lock and spilled the guts on the table. ROFL-Copter coming in to pick up the guys that buy these locks

[@bosnianbill]

Thank you for the comments! I almost feel like I KNOW you because I've been watching your videos for quite some time. In fact, your video about the tubular key cutter was VERY interesting because I've recently come upon 42 American 7260s (see my other video). If you want one (or more) of them just PM me and I'll send out a package. You'll have to cut your own keys though.

[@mrnicomedes]

Don't know if this is the first BosnianBill video I saw, but it's the earliest according to what KZbin remembers (which is everything, right?). Greetings from over in Takoma Park, MD. Hope you're enjoying your retirement!

[@rodneytrotter2017]

Thanks for the video. It helped me take my lock appart and understand how it works without breaking it. Some might say it was already broken by design but at least someone else can enjoy playing with it after me.

[@TheFireControl]

rodney trotter .... and marking the discs helps for re arrengement of the padlock..... excuse my english.

[@FrozenKing142]

this video was handy.I just oppened the lock from my school gates so i can get out and yet again they bought the same shit XD

[@MarcusfotosDe]

Would heating it up to melt out the plastic also work?

[@qmannnnn]

+Fotografieren mit MarcusFotos.de Probably but there's not much point, you can screwdriver it much faster than that. Plus, you could probably just crowbar these in one pull, pressing the ball bearings into the plastic.

[@IHearColors]

yup...

[@cscpride69]

Didn't think those locks where that level of garbage... By the way, nice sarcastic humor you have. Thanks.

[@maniacaudiophile]

When I saw the plastic retainer, I got an idea... Use a metal hook to pull on the body of the lock, and just use a blow torch to heat the lock. As soon as the plastic melts, the lock should pop open... I'm guessing the lock should be blown open in about 30 secs.

[@josephcombes7058]

wow the fact that those locks are actually sold is quite sad.

[@ahobby]

Why do I get so fascinated about everything lol. Far from my field (EE student) yet so damn interesting. You also explain things the way one of my professors does, and he doesn't lose my attention very often. Except when I'm taking notes extreme(TM)

[@stephen3966]

Thanks ! Very entertaining to watch all your videos ! Thanks again !

[@versask8td]

It amazes me how many locks are so easily defeated, you'd think that they would know how simple it could be taken down and fix it but these company's will run the same garbage until we stop buying it apparently.

[@WoWdropzone]

A lock is to just temporarily stop someone in hopes that they'll be caught. Otherwise, we post security guards.

[@foxsux6000]

Callsign Vega There are great things made in China, and there are also tons of horrible things made in the US.. if a product is made upto spec it really doesn't matter where it is made.

[@CallsignVega]

Mark R. Sure it does. China doesn't design like anything. Either it is designed outside of China or they reverse engineer or steal designs. Ever wonder why the term "Chinese knockoff" became so popular?

[@foxsux6000]

Callsign Vega Japan used to be exactly the same, and your point is?

[@foxsux6000]

Callsign Vega And yuema locks are Chinese and China designs a whole a lot of shit.. And maybe watch the video "The largest factory in the world and Chinese labor" In a globalized world with patents you can't sell products in the EU and US with stolen patents..

[@jukka-pekkatuominen4540]

It feels so strange that you can put hardened on your lock when it's clearly not. I feel dumb now!

[@Vograx]

+Jukka-Pekka Tuominen You could argue it's false advertisement, but then again, would the chinese care?

[@jukka-pekkatuominen4540]

Ghroznak Might not. But I always though the people who sell it (markets etc.) would. And would be accountable for selling a faulty product.

[@Vograx]

I don't disagree, but you see it all too often that products are marked with shady statements.Best way to make sure you get a quality product is to search for product reviews and testing of products.

[@jukka-pekkatuominen4540]

Ghroznak Actually I don't see that very often. In Finland it's not that common to find a product with false advertisement and when something like that happens it's always big news as false advertising is illegal. In EU there is actually (in certain set of products) a set of marketing phrases that are the only ones you are permitted to use and you have to have scientific studies to back up your claim. Does it happen "too often" that I cannot really say much about. Probably does. Haven't really looked that much into locks though so perhaps there is something shady going on. What I can remember by heart is that most locks comes from Germany (Abus etc.) and of course Abloy makes almost all the locks in Finland (being a Finnish compamy).

[@Vograx]

Well, hardened is a bit of a vague thing though. I can label fruit and put "Fresh" on it. When is it not fresh though? After one day, two days, four days? If the lock is stamped hardened, and they just used cheap and ineffective methods to harden it ? There is no enforced limit on how strong it needs to be.

[@Benson24]

At 4:20 I got a bit nervous watching you hacksaw right next to your hand, but great video nonetheless! Thanks for the tips!

[@357mat1]

Hello Bill, you may be able to heat the lock with a lighter or torch and melt the plastic, the ball barings might fall into place. I could be wrong but its just an idea. I found your videos yesterday and i think they are great

[@johnsittingdown279]

Yes your probably right only one way to find out 357mat1

[@johnsittingdown279]

Thanks 357mat1

[@CurtisEFlush5962]

Ive got myself an Abus 88/50. I believe thats the one you showed first on this video.

[@thescreenteam4830]

No matter how strong the lock is its also what it's attached too. I had a buddy who paid crazy money for a top lock for his shed. I said give me a crow bar and I'll pop that clasp off since it's only held on by wood screws in a 1 inch thick piece of wood. I don't have to touch the lock. I'd love to see some great high security ways to attach the locks to.

[@ganzonomy]

+The ScreenTeam: For Granits, www.taylorsecurity.com/abus-130/180-hasp-abus-130-180-granit-industrial-strength-hasps/ are awesome. For Diskus locks, www.taylorsecurity.com/abus-140/120-hasp-abus-140-series-steel-security-hasps/ are very good for shackles up to 7/16"

[@speake7777777]

that's how I ended up opening an old american series 50 lock, took a few wedges with the "screwdriver pick" though.

[@Jonathandilego]

Where do you get your BEST locks

[@thumperlockpicking9269]

A Chinese Master Lock, I think you scared it open with that screwdriver Mister Bill

[@FUZxxl]

I bought one of these. You can simply pull off the hasp with a small amount of force, no need to overwhelm the c-clip.

[@krisraps]

Thanks, now i will steal everything

[@МаксимЩербань-т6ы]

+KrisRaps Don't steal! :D

[@Urgenkey]

Great way to compromise those poorly made locks. Nice video!

[@pauldahlinger389]

I believe the top part of the lock is called a "shackle", not a "hasp". A "hasp" is a slotted hinged metal plate that forms part of a fastening for a door or lid and is fitted over a metal loop and secured by a pin or padlock.

[@bosnianbill]

You are 100% right. Sometimes my lips outrun my brain and I'm past the mistake before it catches up.

[@jayharvey1100]

Thank You! Another excellent informative video. You saved me money and potentially my property. I can't thank you enough.

[@jtripper8122]

I have one of those locks, came packaged new with 4 keys, none of which opened the lock lol. Gave me the excuse of damaging it like in the video, fun way to open one.

[@macnutz4206]

A hack saw blade on a properly hardened shackle sounds very different from the sound of the hack saw biting into softer steel.

[@BobWidlefish]

Bill, you are awesome! But please, you're going to give us all a heart attack if you keep using a saw like that. Your fingers are far too precious -- be safe my friend. :)

[@leonvdd]

Don't act religious

[@BobWidlefish]

leon vdd Okay, I'll act like an atheist. Bill, you are awesome! But please, you're going to give us all a heart attack if you keep using a saw like that. Your fingers are far too precious -- be safe my friend. :)

[@leonvdd]

BobWidlefish no the "my friend" part

[@BobWidlefish]

leon vdd Perhaps we just come from different backgrounds -- I assure you that's not a religious thing in my neighborhood. Even the great atheist polemicist Christopher Hitchens routinely started his debates by saying "Thank you, ladies and gentlemen, comrades, friends, brothers, sisters, for coming." I mean no more and no less than he did. It's a colloquialism I refuse to let religion have exclusive control over. If it's a turn of phrase that bothers you, I encourage you to ignore it. :) And smile -- the world is beautiful, Master Lock sucks, and variety is the spice of life. Cheers!

[@jsihavealotofplaylists]

@@BobWidlefish nifty

[@micromachine7954]

Holy cow, That is WAY too easy!

[@DigGil3]

I once thought these locks were unbeatable for all practical purposes.

[@jkohutiak]

ive watched a number of your videos in amazement, but this one hurt my gut. from laughing. I couldn't stop giggling at the gut dump you did on this guy!!!!

[@kiwilockpicker5782]

"Im gonna call this my screw driver pick".. lol. made me actually lol :)

[@Alpha1545]

I am glad you're shaming these manufactures. My jaw dropped when you pried off the ring and poured out the parts. Shame on the Chinese lying about hardened steel. 2 strokes with a hacksaw and it cut a groove. Wow that's poor materials.

[@bosnianbill]

I've seen the Abus locks on eBay quite regularly. I got mine in Germany while there on business..

[@perpetualjon]

Incredible!! Fantastic analysis and very informative. Thanks

[@rayhicks5952]

bosnianbill, late question(and I don't see it answered in the video or asked in the comments), but what stops the guts falling out of the quality locks like the Abus (you pointed out the hardened metal exterior and hasp, and the steel liner, but didn't point out how they prevent the screwdriver attack as far as I can see)- not a hint of criticism, just curiosity/stupidity on my part. Very informative and entertaining video as always (I've watched maybe ten percent of your output over the last week)

[@uzaiyaro]

What was that pick in the case at 7:48? Can it do others besides granit locks? It looks like it might be a good little addition to a starter kit, I especially like how you can decode the lock, and see which pin you're on. I like that a lot.

[@DivineMusic77]

so these disc detainers can't be picked with 'casual' lock picking set?

[@RichGrueber]

Tye cheap locks with the plastic cylinder... What happens if you heat the lock with a blow torch?

[@HifiCentret]

Lol. I was about to say a small oil or spirit lamp to warm it to 130 C or whatever the plastics melts at would be relatively fast and noiseless but if a screwdriver does it in less :D

[@QuestionTree]

Couldn't you also just hold a lighter underneath the keyhole and melt the plastic part?

[@dunna321]

if the only thing holding the ball bearings in is plastic, can you pull the lock open with a little extra force and maybe open it without any tools?

[@adambarker7658]

I was referred to this video by a Redditor. I was so stoked to find this. I have an FJM sprs60-kd I really need to bust open. 3 broken screw drivers and a gash in the hand later, and all I have managed to do is break out half of the retainer ring!! This is NOT as easy as it looks...unless I’m missing something in which case SOMEONE PLZ HELP

[@nerdydev]

I use one of these locks to secure my luggage when staying in shared accommodation. It's small enough to carry and I figure that when there's a lode of lockers some having tsa locks on them and others easy raked or shimed they will leave mine alone

[@KmanSweden]

I wonder if the plastic core could be melted with a small gas burner like you'd use to caramelise the sugar on a crème brulee?

[@МаксимЩербань-т6ы]

Thank you for the video. Are those surgical pliers you're using? :D

[@nickwilson1476]

Excellent! Great job.

[@Ninja_Shepherd]

I have a question. It may be silly, but if you are basically "gutting" the lock itself what's the difference between doing the vs destroying the lock all together? I'm aware you could reassemble said gutted lock. But wouldn't that just take as much time as picking Said lock with the special tool? Sorry if this question seems ignorant I honestly just don't know, and wanted to know the reasoning. As a locksmith do you have to reassemble said lock? Thanks love your vids!

[@johnfrancisdoe1563]

ninh s Usually people happily pay the locksmith for a new lock on top of the opening fee. This may even be more profitable than the actual opening job.

[@ErIX50XD]

wouldn't a hammer blow to the top be enough to deform the plastic opening the lock.

[@jhoshuaRoss]

oh wow this is only ep 12 o.o over a 1000 now XD well done.

[@touofthehighplains]

What about SOBO? The Lockpicking Lawyer said they look durable.

[@KingInternet10]

do you still have those locks (hermex, fluoy and all the cheap ones)? if so, i would love to take a shot at them

[@wolfbrave4866]

I agree with what you say quality locks pays off I do not know what happen but there is one day I park my bicycle in the bicycle bay and I notice my cheap cable lock at the front is missing and the bicycle is left there away from the original position I assume the theft gave up sawing the abloy lock at the back of the bicycle xD and just leave it near where he/she tried to steal it from. The problem with locks keeping our bicycle safe is the weight and knowledge of what lock is good and not.

[@jacylegault1713]

Does anyone know if war-loc utility locks use these cores? Their prices seem amazing, so I think I already know my answer.

[@neilthomas9365]

Would it be possible to melt the plastic core by putting a blow torch to the body?

[@CannondaleF700]

scary watching you with a hacksaw dude!!!!! scary stuff

[@TyCetto]

Hi Bosnianbill, do you have any experience with Thai branded padlocks like IsOn as an example?

[@raskec1]

Doing this close ups on parts someone could get your finger prints :D

[@toadsage7941]

I have a doubt,how does the side bar hold the u metal which locks ...

[@roguepackets2198]

Prying the guts out is not very covert. Looking forward to a followup.

[@Vograx]

+Rogue Packets Why would it have to be covert? Anyways, for sake of argument, getting something done quickly in under a minute is more covert than fiddling around with it for 10 minutes.

[@ScreaminMadMurphy]

he has other videos about how to open locks like this. just look for 'em.

[@imTewi]

i use that same tool for picking combination pad locks

[@francoislemoine8840]

i live in china and got my bike stolen a few months ago, i understand why so many people get their bikes stolen here. the locks are apparently really bad, what is even worse is that so many locks come with the same key, once i used my key on a lock that looked the same as mine just to check wether i could open it or not and it worked!!

[@JuanRomero-bs6zn]

Name of the picks to open those specific locks?

[@user-rw3qq2sr1z]

Wow ! What did you machine the locks with, wht tyoe of machine, cutter, lathe ?? Would love to see a video on the machining of the locks ;) kool

[@user-rw3qq2sr1z]

bosnianbill . . . . Very nice job it does !

[@jadslash]

when you were pretending to cut the quality lock... but wait! there's more!

[@TheChampOf69]

It looks as easy as popping a bottle of beer

[@ReddoX30]

A lot of people in my area use those locks thinking that if they look solid and have an unusual locking mechanism are secure, but after seeing this video I decided to use better locks.

[@jetegtmeier71]

WOW not even a groove for the snap ring to go into to, prety sad

[@idkidk4334]

Lol my high quality abus 88/50 is on the way

[@toocool7350]

hi bosnianbill, how you cut your padlock? i have simmiliar padlock like that, i cannot open the padlock from bottom. i have broke many screwdriver when try to open from bottom.

[@pwnmeisterage]

The whole point of this video is that what the lock looks like outside has little to do with what's really inside. But there are some common indicators, if you look carefully (and are willing to wreck some trash). Maybe your padlock is actually good quality, lol. Screwdrivers come in different qualities, too. Lock is metal, tool is metal, the weaker metal will break first.

[@toocool7350]

Thx bill, until now i still cannot open my padlock, actually my padlock only 2 dollar US, still not believe why cannot disassemble this cheap padlock. please always provide video for us. lol.

[@josealaindiazflores5207]

Do you send to mexico?, what is the price of each of the picks

[@clairedeyes8810]

Ah Bills first time. When he popped his , stay safe stay legal cherry.,

[@hongchuanli6322]

I am curious what makes you conclude that every inferior lock is made from China? And how several items you got represent all Chinese lock? Feeling so superior like an immortal

[@GhostInTheShell29]

+Hongchuan Li Since the inside parts are identical on all these brands the guts of the lock most likely were all produced in the same factory. To sell products in the U.S. where a product was made most be on the product or the packaging. If anything this makes China superior, because your selling the world crap and getting paid money for it.

[@CallsignVega]

The number one rule of purchasing anything, is avoid all Chinese made junk.

[@tin2001]

Callsign Vega It doesn't matter where its from. What matters is quality. A lot of good stuff is made in China too. And cheap crap sometimes comes from places you'd expect better from.

[@t850]

...disk lock is in basically inverted cryptex mechanicm...:)

[@JordyValentine]

It looks like you could open most of these just with a key roughly the same size as the original

[@user-rw3qq2sr1z]

. . . . . . . . . wonder of a bodywork "slaphammer" used for auto body work to pull dents out of vehicles could be screwed into these locks and the core, guts "slapped" out ??

[@MrKldenton]

bosnianbill It's precisely what I do to these locks, I welded a smaller hook on to the end of one and insert it, find a gap between discs and it's all over. If you get it right down the end everything comes out at once. Not very professional as a locksmith but showing a customer how easily the lock is defeated often gets a sale on a better lock.

[@kevinolesik1500]

wow that is amazing !

[@DordiHOTS]

lol nice

[@Sauspreme]

Sometimes I wonder if these chinese manufacturers even know what they're making in their factories.