A device for securing access, typically on a door, and typically controlled with a key or combination.

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15
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1answer
1k views

How does Schlage SecureKey Re-keying mechanism work?

Here is their consumer info. And here is an amateur teardown, although I can't tell from the pictures how the thing actually works. Does any one have any better powers explanation? But beyond just ...
13
votes
5answers
21k views

What kind of lubrication should I use for a lock?

I recently made the Yale lock on my front door much easier to open by spraying some WD-40 in there. However, I just saw this question on WD-40 not being a “true” lubricant, and wondered whether it ...
11
votes
5answers
18k views

How to tell if your locks are bump proof?

I was reading about lock "bumping" where burglars buy 'bump' keys and can open locks very quickly. I was also reading that some locks are bump proof (double chamber perhaps?). My question is: how can ...
9
votes
1answer
551 views

What lubricant should I use for an outside garage door lock?

I recently asked what sort of lubricant I should use on locks. I was wondering if the advice there (i.e. graphite powder) applied to an outside garage door handle lock? The lock in question looks ...
8
votes
5answers
5k views

What is the best way to secure a set of folding attic stairs?

My company is opening a new office in an existing office building. While inspecting the office prior to move-in, I noticed that the attics between all suites in the building are open to each other. ...
8
votes
2answers
1k views

Are easy-rekey locks reliable?

I want to replace an old deadbolt and handle on my front door, and most of the replacement sets at big-box home improvement stores are the easy-rekey kind. Kwikset's SmartKey seems better executed ...
7
votes
6answers
3k views

Is it worth having two locks in exterior doors?

I've noticed that some places have a lock in the knob and a deadbolt in the exterior doors, and some places have a knob without a lock and just a deadbolt. Is there a benefit to having a lock in the ...
7
votes
4answers
40 views

Door lock and unlock based on authorized user proximity

I want to install an electronic lock on my office/workshop that only a specific individual(s) can unlock. I want it to lock every time the door is closed and the room is empty but I do not want to ...
7
votes
5answers
4k views

How can I fit a Schlage lockset in my front door?

I moved into a condo with a Kwikset lockset in the door. I wanted to replace it with a Schlage lockset, but the actual bolt portion of the deadbolt was too large to fit into the pre-drilled hole. If ...
7
votes
2answers
503 views

How long do batteries typically last in electronic deadbolts?

I'm considering getting a Schlage Plymouth Keypad for our front-door but was curious how long the 9V battery typically lasts. The web site says "3 year battery life" but I'm... skeptical. =) Has ...
7
votes
2answers
12k views

Did I break my Kwikset SmartKey lock by trying to rekey with a key that doesn't fit all the way?

I got a Kwikset deadbolt lock (has key hole on both sides instead of key hole externally with latch internally). This lock uses SmartKey technology so you can rekey the lock to use a new key rather ...
6
votes
1answer
128 views

What kind of lock used to be here?

We're moving into a new place and have been told by the building's management that the top lock on our door is our own responsibility. It appears that the previous tenants had something in the top ...
5
votes
4answers
5k views

How can I remove a key that has broken off in a lock?

I broke a key off in the lock of a desk drawer. The lock doesn't look easily replaceable, so how can I remove it? I've tried tweezers but they can't get enough of a grip to pull it out.
5
votes
4answers
5k views

How can I prevent an outside lock from freezing?

I store a bunch of the "outside stuff" in the shed for the winter. Mainly things that I only use when the weather is warmer. It pretty much remains locked up for the winter. Occasionally though, I ...
5
votes
4answers
4k views

How do I disable a lock?

I have the following door handle / lock combination that leads out to my garage. The key for the door has long been lost and sometimes someone will turn the internal lock and the door cannot be opened ...
5
votes
2answers
406 views

How to install an electronic door lock?

How can I install an electronic door lock ? Can an electronic door lock be installed on any door ? I am fixing to purchase an apartment in Australia and it will come with a "Solid Core door with ...
5
votes
5answers
2k views

Home wireless lock

How can I improve my home with a kind of front door lock that would act like those car that can unlock when it receive signal of the key in your pant? My goal would be to keep my keys in my pant ...
4
votes
3answers
3k views

Where do I buy a weather proof combination padlock?

I have a shed that I use a padlock to secure. The last lock I had lasted a year before failing. It cost about $40. My wife prefers combination so she won't need her keys just to work in the yard. I ...
4
votes
2answers
2k views

What is the name of this cast metal part inside my lockset?

I have a Baldwin front door lockset that doesn't completely retract the latch when using the thumb lever. The handleset is similar to this: model After dismantling the thumb latch assembly, I ...
4
votes
3answers
673 views

How can I install modern locksets on these interior doors?

I've recently bought my first house which I'm very excited about, got into the decorating phase and decided to replace the door handles - some of which were damaged - with nice new ones. Being a ...
3
votes
6answers
15k views

Why does my latch not retract when I push or swing the door shut, but will retract when the knob/lever is used?

This just started today. I have to turn the knob in order for the latch to retract. Before, I could just push to door shut and the latch would retract when it hit the plate on the door frame. But now ...
3
votes
1answer
246 views

What kind of (1950s era) lock is this

My home, built in the late 1950s, has these cute little additional locks on top of the main doorknobs to many of the interior rooms. I can't seem to find the correct term for these locks, which would ...
3
votes
1answer
24k views

How do I remove a Kwikset deadbolt with no screws on the inside plate?

My exterior door deadbolt has gotten stuck - it'll open with the lever but not the key. By spraying WD-40 inside the lock, I've been able to get it to work but it's very stiff. I'd like to remove the ...
3
votes
2answers
147 views

How do you install a slide lock when the door frame isn't level with the door?

I need to lock a door without a keyhole from the inside and got recommended to use something like this: However, my door frame isn't level with the door If I would just mount it there, the ...
3
votes
1answer
1k views

How can I remove a Mortise Lock and deadbolt from a door?

I got an old door from a junk yard that I'm trying to reuse. The door is going to end up being sliding barn door so I have no use for its existing door knob and lock mechanisms. From what I can tell ...
3
votes
3answers
167 views

What are the key criteria to consider when purchasing new locks and deadbolts?

On twitter, the cofounder of GDGT Ryan Block comments: Surprisingly difficult to find a list of expert-recommended consumer locks, padlocks, etc. Lots on defeating security, but few suggestions. ...
3
votes
1answer
253 views

How do I repair this old door lock?

An old knob on my bedroom door fails to retract to its normal position. I opened the lock in an attempt a repair it and discovered two loose springs. I suspect that the loose springs aided a third ...
3
votes
2answers
18k views

How do I fix an exterior door knob that will unlock but not turn?

My back door (which is only two years old) has a door knob that recently suddenly stopped turning. I can lock and unlock it, but it just won't turn. Here's a picture of the inside of the door knob: ...
3
votes
2answers
122 views

Where can I find a key for my old locks?

My house was build in 1938 and the whole house has these door knobs everywhere. I believe they were made by Dexter. Is there a way to ID them properly and, if so, where can I find someone who makes a ...
3
votes
2answers
2k views

How can I remove a jammed, broken key from a lock?

I have a key to an apartment mailbox that was almost impossible to get the key in and out of to unlock, and in trying, my roommate broke the key off in it. From looking in with a light, it seems that ...
2
votes
4answers
17k views

How to remove a stuck key?

A hypothetical question - if I get a key in the door lock from one side of the door, could I somehow use another key to open the door from the other side? And what if you could "engineer" the stuck ...
2
votes
1answer
413 views

What is causing discoloration on my bronze-finished lockset?

We bought a bronze finished lockset about five years ago, and now a lot of it is ashy looking and green in some places. It looks a little worse every year. It's on an exterior door facing west. ...
2
votes
3answers
258 views

Can someone unlock a locked door and lock it back again without the key?

Is it possible for someone to unlock your front door get into your house and then lock the door again without being supplied with a key?
2
votes
4answers
6k views

How to drill a hole in the wood without an electric drill?

During a travel in Laos, I need to drill some holes into a double-door's wood to install a locker. The wood is rather hard, and I don't have an electric drill (and can't find it). I only have 2 small ...
2
votes
1answer
1k views

Why did my locked door open by itself?

Why would our front door have opened by itself? It was locked. It has an entrance set - a latched, not deadbolt, knob handled, keyed on the outside and turnsnib on the inside style lock. We have had a ...
2
votes
2answers
2k views

How do I install a chain lock on a steel door?

I'm tring to install a chain lock on the inside of my home. I've tried millions of things to get a hole in the steel door. Is a 12 volt drill not powerful enough?
2
votes
2answers
1k views

Where can I get a new key for an old lock?

There are two locks on my apartment door. The key to the bottom lock was lost long ago - before I moved in - and we now just use the top lock. The bottom lock is probably 50-60 years old and ...
2
votes
1answer
5k views

How do I replace mortise locks with bored cylindrical locks?

I purchased an older home that has mortise locks in all of the doors. They're all very difficult to use and some of them don't work at all, making the doors difficult to impossible to close. Since I'm ...
2
votes
1answer
100 views

Which cylinder door lock shield design is most secure?

I'm planning to place a shield on my front door and would like to know which of the 3 shield designs is the most secure option and why. Basic design characteristics: Top Left: the outside part of ...
2
votes
1answer
101 views

Did I break my door lock by locking it from the inside before exiting?

The lock on my front door is broken. When I leave my house, I lock the door handle from the inside, then close the door and lock the deadbolt with the key. My boyfriend is trying to tell me that ...
2
votes
1answer
205 views

Which patio door should the lock be installed in?

We are having some patio doors fitted and they are rebated. The doors open outwards The left-hand door opens first We would like to fit a narrowstile lock with a roller (rather than a catch) and ...
2
votes
2answers
389 views

Are there any simple electronic door locks available?

I have an office door I need to keep locked but allow easy access. It doesn't have to be super secure, it has a proper deadlock for when we are closed, it just has to stop people casually walking in. ...
2
votes
1answer
47 views

How to remove this door knob on the mortise lockset?

I have an old mortise lockset that I want to replace. And I already removed all the visible screws and the cylinder. However, I am not able to figure out how to remove the knobs. I could loosen the ...
2
votes
1answer
182 views

Replacing garage door lock barrel

Since I moved into my house, I've not had the key for my garage, so I'm looking into how I can get a new one. I've found what I think I need to replace on eBay, but there are a lot of variations on ...
2
votes
3answers
66 views

Need to replace lock on car top carrier

I have a Packasport fiberglass car top carrier with a cylinder lock (outside view above). The key has been lost. I ordered a new lock/key set from Packasport but am unable to remove the old one - ...
2
votes
3answers
565 views

Without Access to the Garage Interior, How Can I Replace the Handle/Lock?

I have an external garage, with a manual overhead door (no powered opener). There is no side access door. After the recent winter, I tried opening the garage again, and the handle will not turn. I ...
2
votes
2answers
3k views

How so I fix a loose Kwikset deadbolt faceplate?

We have a kwikset deadbolt on our main door and the faceplate has come loose. There are no visible screws on either side of the door, so I am assuming they are under the brass plate on the inside of ...
2
votes
3answers
62 views

Are entry door systems with lock release secure?

I am renovating my recently bought house. It currently has a entry door system with a lock release on the yale lock so that you can release the door from one of the handsets. something like this. I ...
2
votes
1answer
439 views

what parameters should I look for when choosing an electric deadbolt?

I am looking for electric deadbolts for external steel doors - to place several of them on a door - one on each side (top, bottom, left, right) for extra security. I want to buy just the deadbolt ...
2
votes
0answers
239 views

How do I replace an old-style (“wide screw posts”) garage T-lock handle?

My garage features an old-style T-handle very similar to Prime-Line GD 52169 or National Hardware V7643, except that the distance between the hole centers is 1-3/4". Unfortunately, I cannot seem ...