Posted: 5/1/2015 1:18:57 AM EDT
Recently worked a theft where multiple storage units were broken into. Perp got into every single unit (about 35 units) with this type of lock...
But skipped every one of the units (about 12 units) locked with these... 
They're a little more expensive but apparently are more difficult to break with bolt cutters.. I think it's well worth it. |
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http://www.packetsniffers.org/images/sg831b/sg831b_front1.jpg Something like this is what you need. Yep....problem is they can just target the hasp and use the lock to twist and break the metal it's locked to. |
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I have been required to cut the locks off of many semi trailers that were just dropped at the dock with no key. The trucking industry has some of the best locks known to mankind and they run the gamut from what the heck is this to I can't believe I spent 15 min cutting this getto looking contraption off with 2 cut off disc and three battery packs and a DeWalt angle grinder. |
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http://www.packetsniffers.org/images/sg831b/sg831b_front1.jpg Something like this is what you need. I've worked with powder magazines/ammo bunkers/etc. that had some of these on the doors. |
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Quoted: Of course, if someone is serious about it ... well, a storage unit is sheet tin tacked to light galvanized studs. A P-38 opener and some patience would get you all the way down the building.  I had a storage shed in an old school place that was wood and drywall. The unit across from mine was ransacked by someone who punched a hole in the chicken wire / stucco outer wall and then just kicked their way down through 20 storage rooms. He got caught because the owner had the building alarmed, at the last unit he opened the fire door and set off the alarm. |
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I've worked with powder magazines/ammo bunkers/etc. that had some of these on the doors. Quoted:
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http://www.packetsniffers.org/images/sg831b/sg831b_front1.jpg Something like this is what you need. I've worked with powder magazines/ammo bunkers/etc. that had some of these on the doors. Where does one buy those? |
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I have been required to cut the locks off of many semi trailers that were just dropped at the dock with no key.The trucking industry has some of the best locks known to mankind and they run the gamut from what the heck is this to I can't believe I spent 15 min cutting this getto looking contraption off with 2 cut off disc and three battery packs and a DeWalt angle grinder. So fill us in on what the good ones are |
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Any padlock can be defeated pretty easy. Either with brute force, power tools, picks, or bump keys. I work for a amusement machine company and we have had every type defeated at one time or another. The most secure I have used has been the hockey puck locks, they are machined out of a block of steel with no part of the shackle exposed, and done correctly the hasp is covered as well. They can be defeated as well.
Some pointers. Buy a good quality lock, American lock is a good choice, next features, more pins the better, minimum 5 pins, anti bump, ability to be rekeyed, etc. Also as posted already look for ways around the lock, and secure them ie exposed hinge. I've noticed crooks figure out some new angle all the time. Oh and if you want to be shocked watch some YouTube lock picking videos, you can search by your model of padlock, see how quick they get in. |
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Quoted: So fill us in on what the good ones are Quoted: Quoted: I have been required to cut the locks off of many semi trailers that were just dropped at the dock with no key.The trucking industry has some of the best locks known to mankind and they run the gamut from what the heck is this to I can't believe I spent 15 min cutting this getto looking contraption off with 2 cut off disc and three battery packs and a DeWalt angle grinder. So fill us in on what the good ones are |
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I'd drill the cylinder. Quoted:
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Cordless grinders are to loud and bolt cutters won't work. There is a way to get into it in about 20 seconds though ;) Seen it done many times while doing storage unit auctions about 10 years ago. I'd drill the cylinder. I believe there's a spot you drill (not the cylinder) that kicks the hasp open. |
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I believe there's a spot you drill (not the cylinder) that kicks the hasp open. Quoted:
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Cordless grinders are to loud and bolt cutters won't work. There is a way to get into it in about 20 seconds though ;) Seen it done many times while doing storage unit auctions about 10 years ago. I'd drill the cylinder. I believe there's a spot you drill (not the cylinder) that kicks the hasp open. I've seen a locksmith do it that way before, you basically drill out the cyclinder so the pins will fall out when you smack it and then you can turn it. |
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I rented a storage unit 3 years ago, had a disc lock on it. It got broken into, along with 8 others, and the thieves didn't bother with the locks...just used a crowbar on the shitty roll-up doors.
I just saw an article suggesting storage units as cache sites for bug-out supplies. Uh, no, not after my experience. |
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Quoted: Yep....problem is they can just target the hasp and use the lock to twist and break the metal it's locked to. Quoted: Quoted: http://www.packetsniffers.org/images/sg831b/sg831b_front1.jpg Something like this is what you need. Yep....problem is they can just target the hasp and use the lock to twist and break the metal it's locked to. good luck twisting that, no room for a pinch bar |
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Quoted: Where does one buy those? Quoted: Quoted: Quoted: http://www.packetsniffers.org/images/sg831b/sg831b_front1.jpg Something like this is what you need. I've worked with powder magazines/ammo bunkers/etc. that had some of these on the doors. Where does one buy those? Sargent & Greenleaf 831B Brand new that lock is over $1000.00 |
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I just saw an article suggesting storage units as cache sites for bug-out supplies. Uh, no, not after my experience. Funny you mention this. It's not as secret as you think it to be. I know where 4 20x20s are rented. They are filled with water, ammo,seeds/food and one is completely filled with coal. 
Its not the most secure stash site. |
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I knew they were better but it is a good post. Everyone just remember locks are for honest people. If someone really wants your stuff the type of lock you have won't matter. Quoted:
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Figured some would know this but thought I'd share. Disk locks are the way to go. If someone really wants your stuff the type of lock you have won't matter. Tell that to these posters. 
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Sargent & Greenleaf 831B Brand new that lock is over $1000.00 Quoted:
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http://www.packetsniffers.org/images/sg831b/sg831b_front1.jpg Something like this is what you need. I've worked with powder magazines/ammo bunkers/etc. that had some of these on the doors. Where does one buy those? Brand new that lock is over $1000.00 One can reduce the S&G 831B to a puddle of molten shit in about thirty seconds with a PECU...
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The good ones don't even have a name on them and they do not use a key to open them as you would think of as a key. They use a special tool to open them. Very simple looking device but very effective. I have cut locks that sell for north of $120... Quoted:
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I have been required to cut the locks off of many semi trailers that were just dropped at the dock with no key.The trucking industry has some of the best locks known to mankind and they run the gamut from what the heck is this to I can't believe I spent 15 min cutting this getto looking contraption off with 2 cut off disc and three battery packs and a DeWalt angle grinder. So fill us in on what the good ones are Thanks, how do we buy them? |
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Quoted: Thanks, how do we buy them? Quoted: Quoted: Quoted: Quoted: I have been required to cut the locks off of many semi trailers that were just dropped at the dock with no key.The trucking industry has some of the best locks known to mankind and they run the gamut from what the heck is this to I can't believe I spent 15 min cutting this getto looking contraption off with 2 cut off disc and three battery packs and a DeWalt angle grinder. So fill us in on what the good ones are Thanks, how do we buy them?  |
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Recently worked a theft where multiple storage units were broken into. Perp got into every single unit (about 35 units) with this type of lock... http://www.lockmastersusa.com/assets/Image/Product/detailsbig/M15XDLF.jpg But skipped every one of the units (about 12 units) locked with these...http://www.plumbersurplus.com/images/prod/5/Master-Lock-40DPF-rw-99097-164148.jpg They're a little more expensive but apparently are more difficult to break with bolt cutters.. I think it's well worth it. Those may be difficult to cut with bolt cutters but they are easy to pick... 
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I knew they were better but it is a good post. Everyone just remember locks are for honest people. If someone really wants your stuff the type of lock you have won't matter. Quoted:
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Figured some would know this but thought I'd share. Disk locks are the way to go. If someone really wants your stuff the type of lock you have won't matter. That's right. |
| I haved used the "hockey puck" style for almost 30 years. I have seen evidence of tampering, but no breaches. |
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Any padlock can be defeated pretty easy. Either with brute force, power tools, picks, or bump keys. I work for a amusement machine company and we have had every type defeated at one time or another. The most secure I have used has been the hockey puck locks, they are machined out of a block of steel with no part of the shackle exposed, and done correctly the hasp is covered as well. They can be defeated as well. Some pointers. Buy a good quality lock, American lock is a good choice, next features, more pins the better, minimum 5 pins, anti bump, ability to be rekeyed, etc. Also as posted already look for ways around the lock, and secure them ie exposed hinge. I've noticed crooks figure out some new angle all the time. Oh and if you want to be shocked watch some YouTube lock picking videos, you can search by your model of padlock, see how quick they get in. Someone told me if you drill on the M in "American", you'll go right into the guts of the puck locks? Kharn |
| Locks don't always make a difference. My mom had one of her units busted into along with several others and all of the locks were intact. Perp likely got into an adjacent unit and climbed through the ceiling/walls since they were just thin metal. Stole all sorts of valuable stuff including some silver that has been in my family for a few generations. |
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Many great posts in this thread.
Keep in mind tho that the majority of the time, these thefts are performed by tweakers, who are looking to steal power tools or scrap metal for a quick sell. Most of these people don't know how to pick locks. They'll park blocks away and walk to the location, so they travel light (ie no power tools) want to be quiet (again no power tools) and want to be fast so they won't dwell on a lock for too long if it is abnormally difficult for them to defeat. |