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Old 06-28-2019, 06:45 PM   #1
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Drilling out a USPS mailbox lock


Tenant lost the keys. Can I drill it out with 9/64Ē bit and pull the old lock and replace with the same lock?




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Old 06-28-2019, 07:01 PM   #2
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Re: Drilling out a USPS mailbox lock


NO!! It is the property of the US Postal Service. Big fines for the destruction of their property.

Check at the window to see what can be done. If the tennants are still around, they just have to go to the window and ask for replacement keys. I think it is about $10 bucks a key. Cheaper than the fines.
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Old 06-28-2019, 07:18 PM   #3
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Re: Drilling out a USPS mailbox lock


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Originally Posted by ktownskier View Post
NO!! It is the property of the US Postal Service. Big fines for the destruction of their property.

Check at the window to see what can be done. If the tennants are still around, they just have to go to the window and ask for replacement keys. I think it is about $10 bucks a key. Cheaper than the fines.


The mailbox was sold by a 3rd party vendor to the condo. Itís not USPS property from what I understand.

I called USPS. They told me to call a locksmith. Locksmith wanted $200.


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Old 06-28-2019, 07:28 PM   #4
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Re: Drilling out a USPS mailbox lock


Contact the property owner or landlord of the condo complex. They need to supply you with the key.

Otherwise, drill at will and be careful to do it after the mail delivery person is gone. You could also ask the delivery person if they would allow you to remove the lock while they have it open.

I would just do a google search about drilling out a USPS mail box and see what it brings up.

Ktown
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Old 06-28-2019, 07:37 PM   #5
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Re: Drilling out a USPS mailbox lock




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Old 06-28-2019, 07:41 PM   #6
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Re: Drilling out a USPS mailbox lock


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Good video Neal. Iíll throw a hammer and screwdriver into my toolbag for tomorrow.




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Old 06-28-2019, 07:48 PM   #7
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Re: Drilling out a USPS mailbox lock


Quote:
Originally Posted by ktownskier;
Contact the property owner or landlord of the condo complex. They need to supply you with the key.

Otherwise, drill at will and be careful to do it after the mail delivery person is gone. You could also ask the delivery person if they would allow you to remove the lock while they have it open.

I would just do a google search about drilling out a USPS mail box and see what it brings up.

Ktown

I asked the building manager for a key. He doesnít have any.

I tried getting there to intercept the mail person and let me have access to the inside of the box. She came earlier than her usual schedule.

Watched some drilling videos. Iíll bring the entire drill kit and some screwdrivers.

No way Iím paying a locksmith.




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Old 06-29-2019, 10:03 AM   #8
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Re: Drilling out a USPS mailbox lock


Tried drilling it out with milwaukee shockwave bits. Got about 1/2" deep and couldn't make any progress from there on out. I broke 4 bits trying to get deeper.

Bought a milwaukee hard metal bit (Cobalt Red Helix Twist Drill Bit) and tried with that. No progress.

Any recommendation on a better bit?

I didn't want to take a hammer or screwdriver to the mailbox. I'm sure the condo board wouldn't be happy if I marred up the outside of the mailbox.
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Old 06-29-2019, 10:16 AM   #9
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Re: Drilling out a USPS mailbox lock


Been reading up on this model lock on the internet.

It might be drill proof. Reading some conflicting information.

Maybe I need to bring a corded drill.


https://www.reddit.com/r/Locksmith/c...100_usps_lock/
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Old 06-29-2019, 11:20 AM   #10
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Re: Drilling out a USPS mailbox lock


Nothing is really drill proof. You just need a harder drill ...maybe carbide or diamond grit. Something will get through it. Or do the screwdriver/hammer trick with a piece of cardboard or cloth between the hammer and the side to avoid marring it up.

In the video it looks like the locking tab broke off the back of the lock, which is what you want. Most likely that's the weakest link in your situation too, and that's what will break...then you just change the lock with the same style and you're good to go.
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Old 06-29-2019, 11:23 AM   #11
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Re: Drilling out a USPS mailbox lock


One thing to try is a Step Drill Bit. I have had luck drilling through seemingly impossible stuff with these kind of bits.



You can get them individually or in a multi-pack. They have them at Harbor Freight for a lot less. In both price and quality.
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Old 06-29-2019, 11:31 AM   #12
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Re: Drilling out a USPS mailbox lock


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Originally Posted by jproffer View Post
Nothing is really drill proof. You just need a harder drill ...maybe carbide or diamond grit.
Or some hydrochloric acid inserted with a needle drop by drop.

Or, a bit of C4 stuffed into the lock.

I know... A blow torch, yeahhhh. That's the ticket!

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Old 06-29-2019, 12:05 PM   #13
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Re: Drilling out a USPS mailbox lock


Too late now, but there is supposed to be a MASTER key in the managers office, with maybe even extra locks to replace locks if a tenant leaves and takes the keys.


There is also supposed to be a key for the mail person to open it all up, to place mail in where it goes.

Then you could just unbolt it, I see my postmistress changing locks all the time, that way.

At the real US PO. She has a master key, that fits thousands of postal locks.

As I said TOO LATE NOW.

Get a diamond tipped 1/4 inch bit, and a variable speed drill, slowly drill without causing a lot of heat, this will fix up your now bad situation.

I hope that you have a replacement ready to install already.


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Old 06-29-2019, 05:51 PM   #14
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Re: Drilling out a USPS mailbox lock


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Originally Posted by ktownskier View Post
Or some hydrochloric acid inserted with a needle drop by drop.

Or, a bit of C4 stuffed into the lock.

I know... A blow torch, yeahhhh. That's the ticket!

Well ....sure......if ya wanna do it the EASY way.

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Old 06-29-2019, 08:13 PM   #15
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Re: Drilling out a USPS mailbox lock


The USPS boxes are never meant to be master keyed per USPS regulations. Keyed differently only. Good luck.
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