(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 🤦‍♂️

[@mr.shannon6137]

The absolute best demonstration of how a disk detainer lock works on the internet. Going to save this video and use as a future reference for when I start picking them.

[@SemperBadBear]

I'll probably never pick a lock in my life, but I find these videos so entertaining

[@SemperBadBear]

David Daivdson I suppose it is a useful skill. I can't tell you how many times I've locked myself out of my house or truck.

[@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!

[@ReddoX30]

When you popped out that end piece with the screwdriver I bursted out laughing! ahahahahh

[@ReddoX30]

***** The funny thing is that in my area, about 70% of the locks I've seen are using this locking mechanism. When I see one of these, I remember the video and start laughing:))

[@wb5mgr]

This never gets old...

[@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.

[@robottwrecks5236]

This is great! I bought one of these on Japan thinking it was nice but after trying this exploit it has proven to be vulnerable as well. The difference was the inside on mine was brass not plastic but it came apart just as easy.

[@andrewmathison962]

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

[@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.

[@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.

[@seanb658]

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

[@larryg7336]

What great info,for the upcoming locksmiths Mr.Bill, if I ever get to the point of the lock beating me up, i'll pop it's bottom off. Smile 🔓⛏

[@choochoochooseyou]

Great lesson for all, Bill.

[@danielroglich3309]

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

[@madeinuk68]

I have to say after watching a lot of your videos,they are so well made and incredibly entertaining.But I find I have a problem,it's your voice.Its just that if I watch your videos at night,I nearly always fall asleep.You have such a calming reassuring tone to your voice,it nearly always sends me into a sleep state.I always wake up when the video ends because your voice has gone away.The only other person that does this to me is Sir David Atenburough. So you are in great company.I wonder does this happen to any body else?

[@bosnianbill]

Gosh, I hope not! I hate to think that my videos are putting folks to sleep... I'm not THAT boring, am I?

[@madeinuk68]

+bosnianbill no you are not boring at all.Like I said I really enjoy your videos.Dont change a thing,except maybe shout wake up every once in a while.

[@wahabhakimi7178]

bcz u r crazzy or may lazzy one it sometimes happenes to lassiest school's students hahahahah

[@ReddoX30]

I like to watch your videos when I come home from work. I find your videos very interesting, but being tired from work I always fall asleep with my face on the desk. Damn it!

[@madeinuk68]

+Kain Bastien Ha,I am glad it's not just me.His videos are great,I think I am just getting old.And for the guy saying I must be lazy,you are very wrong.I do a very physical job,and cycle everyday

[@vcval]

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

[@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.

[@ImGumbyDangit]

Good day Bill. I am new to the sport and love your videos, I am learning so much. When I was in the Military 35 years ago we used Abloy padlocks (40 or 50 mm I think) to secure some of our equipment. The shape of the key always intrigued me, and after watching your Videos, I suspect that it is a Disc Detainer type. I don't have a Disc Detainer pick yet, I guess it's next on my shopping list. Anyway, while in the Philippines last December, I picked up some cheap Chinese locks to practice with, and one happens to be a Disc Detainer type. I used your special flat blade pick to open it exactly like in this video. After dropping all 5 discs and the locking bar on the floor, I even managed to put all 5 discs back in the plastic carrier in the correct order and orientation, with the locking bar and slide it all back together. I managed to compress the cap spring to finish off the reassembly, and the lock still works. Thank you .

[@55ATA3]

Great information on disk detainer locks and the range of security provided by them. Most people just buy what the package tells them is "High Security" and then lock there most expensive belongings and toys only to find the lock on the ground and there stuff gone. We need videos like this to teach the public there is a price to pay for buying cheap locks before they find there stuff gone. Thank you for taking the time to make this video, lets hope that the lock company's watch it and learn to improve there locks.

[@stephen3966]

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

[@LegendConsole]

The way you use that saw i was afraid you'd cut your own fingers off lol.

[@perpetualjon]

Incredible!! Fantastic analysis and very informative. Thanks

[@Retro_Care]

i am not even interested in picking locks but always keep watching you do it :) found this one very interesting, thanks

[@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.

[@ArunBasilLal]

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

[@ImGumbyDangit]

I think this is the First "Stay Safe, Stay Legal". I found Video 12. I did try this method after first seeing video 13 last year, then I reassembled the lock so I could do it again, and show some friends. Thx.

[@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

[@Lovenpain]

Great info Bill! Love your videos! ;)

[@richarddantz4256]

First video of you speaking? Great work Bill!

[@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

[@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.

[@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!

[@jayharvey1100]

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

[@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.

[@SamSeama]

Nice and informative video, thank you :D

[@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

[@ScrimBoy3928]

I found one of these kind of locks a while back and thought they were actually safe and a miracle bargain. Never seen these kind of locks before and thought they were safe from picking and the "heavy reinforced steel" would protect them from breaking..after watching this video i realised....i have never been so wrong in my life. You just made me go buy some other kind of safer lock for my bike. I can't belive these break so easily...damn

[@josephcombes7058]

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

[@74littletiger]

Brilliant - like your other videos !

[@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.

[@strangeandwonderful247]

Wow, took longer to adjust the cera than it did to pop that lock lol. Freaking amazing!!

[@jasonng9653]

Brilliant video!

[@AdrianWeber]

Damn it you were first! I wanted to do a video JUST like this one but yours is so perfect that I do not have to do one any longer. Very accurate information you shared with us on this video! You really mentioned everything even the material quality. I have to say.. very very good job mate!

[@r5cpt]

Wow moment at 10:27. It's when it dawns on you just how awesomely easy it is to defeat these chinesium locks.

[@Urgenkey]

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

[@nickwilson1476]

Excellent! Great job.

[@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!

[@kincheng8065]

The sordid way you violated that poor lock.... Stripped bare, and completely, with just a screwdriver...

[@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)

[@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.

[@nickofdroopy]

Very good info tanks!

[@pwnmeisterage]

Your "screwdriver pick" is my favourite tool, too!

[@cscpride69]

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

[@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..

[@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.

[@user-kk5nb3dv4j]

this video is so good!!!

[@sadsblackie]

Thank you so much for the screwdriver trick. I finally got rid of my rusty lock.

[@andrewsalton7670]

Nice work.

[@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...

[@RenneVangr]

Amazing, I was honestly expecting less quality in your older videos. But no, great quality video and explanation. Also, in the first video in which you talk, you just seem to be unable to shut up. I guess that never changed hahahahaha

[@hardbodybyrick]

Hi Bill, Where did you get the Abus top tension high quality lock pick? I have been looking all over the internet and can not find one. Thanks again for another awesome video. Rick

[@krisraps]

Thanks, now i will steal everything

[@user-uz2ku3vb6b]

+KrisRaps Don't steal! :D

[@Sloth2456]

Well..the funniest lock picking video i ever watch..

[@Kris-T83]

Just tried this screwdriver approach and it works :))Absolutely effortless! Just Like opening a bottle of beer...

[@SelectImage]

Thanks Bosnianbill, this video made me laugh, I guess the makers believe their locks are meant as a visual deterrent rather than a real one!

[@garavonhoiwkenzoiber]

+Stephen Johnson In my experience, pretty much all locks are visual deterrents.

[@thumperlockpicking9269]

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

[@DigGil3]

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

[@shitdidit]

thanks bill , quicker than getting my bolt cutters out of the truck. I'm old and there heavy

[@kiwilockpicker5782]

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

[@CurtisEFlush5962]

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

[@user-uz2ku3vb6b]

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

[@iyeetsecurity922]

_I miss you already Bill!!!_

[@kevinolesik1500]

wow that is amazing !

[@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

[@ganzonomy]

I found those at the dollar store for $1.99.... let's just say that when i did get one... i immediately had a new appreciation for the ABUS Granit.

[@qwertykeyboard5901]

what dollar store? could it be ordered online?

[@speake7777777]

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

[@leishan2571]

Thanks to make and share this interesting video, looks like it's very impressive. I even try to learn some picking skill just for fun. Back to the point, yes we know Chinese brand sometimes means cheap and low quality. because this stuff have their own customer, Fair to say, you take the comparison between "abus" and this so call "howdy" just like you compare with toyota coralla with lambor. totally different quality and differnt level of retail price. But on the other side, this is a good chance for those locker maker to get some important feedback from professional like you. Thanks again for your impressive video. cheers.

[@jhoshuaRoss]

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

[@walkeerCZ]

good job!

[@micromachine7954]

Holy cow, That is WAY too easy!

[@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.

[@silmeria1984]

well now we all know that's how this cheap price comes from. great video man

[@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.

[@Mazaroth]

If the lock has words "Top security" on it, it might as well have "Master" on there too.

[@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!!!!

[@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

[@bosnianbill]

Not yet, but I only have the military issue brass/copper ones and they are probably too stiff to open a cruciform Your timing is perfect tho, because I got in a really nice cruciform last night to experiment with. I'll go to Walmart & find some cheap, flexy .22 bore brushes. I'll get some nylon ones too to experiment with. If it works, I'll demo it when I SPP the lock.

[@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.

[@redwaneelfarissy5340]

is verry nice thanks yous verry mutch .in morrocco I have like this machines

[@jaydee8959]

Dang Bill you just blew out a whole genre of locks in one vid,,,,,NICE.....lol

[@kickyouinhalf]

When doing comparisons, it's usually best to compare apples to apples and not apples to durian. Also, it would be nice to list the prices of the locks that you're comparing. Thanks

[@TheGeezzer]

If you ever need replacement spacers for an expensive padlock that you're messing about with then just buy a cheap Chinese padlock, take it apart like Bill did and there's your replacement spare discs and spacers. (they might need filing to fit) That's what I did when I needed another spacer for my Abus 37RK/80 that had developed a sloppy stack after I reassembled it one time.