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

learn more… | top users | synonyms (1)

1
vote
3answers
33 views

What factors influence the security of a front door lock?

Due to misplaced keys, we are going to either rekey or replace an old lock on our front door. It looks something like this, though ours is fancier: ...
0
votes
1answer
30 views

Does the security certification of a lock relates to both bolts?

I have a Vachette lock installed on a door with a internal doorknob and no doorknob outside (one needs the key to open it). The lock is certified, which means that it is supposed to "resist to ...
0
votes
1answer
21 views

Please advise how to lubricate stiff latch bolt of mortise lockset on metal exterior security door. (NOT the pins in the keyway!)

The latch bolt of the mortise lockset in a metal security door is stiff. I worry about the long-term effect of slamming the door in order to drive the stiff latch bolt back and allow the door to ...
2
votes
1answer
52 views

What kind of lock is this, and how can I replace it?

This is the lock barrel from one of my window handles - the key jammed in it and when I pulled the key out, the barrel came with it. You can see on the photo where a small metal lug has snapped off, ...
0
votes
0answers
45 views

Anderson lock won't unlock

Installed a new Anderson storm door and the handle hardware was working fine until i went and put the face plate on the door jam. The door will now not unlock and i can't open the door at all. The ...
0
votes
1answer
67 views

Weslock deadlatch is stuck

We have a weslock lock on the door to our garage (bought about 2 years ago), and it has gotton stuck. It would not open from the inside or outside. The key turns ok, and even makes the click sound, ...
0
votes
1answer
46 views

Quarter turn connection for plastic tubes — Design idea request

I'm developing a 3d project using AutoCAD 2013 and I would like to request ideas for a specific problem. It is not for a commercial project. It is about how to connect two hollow plastic pipes using ...
1
vote
1answer
187 views

How to remove Schlage deadbolt?

I want to remove a Schlage deadbolt so I can re-key it. I don't have the key (previous owner lost it). The deadbolt has keyholes on both sides. Here's a view of the inside face: The outside face ...
1
vote
0answers
66 views

Need replacement part for Baldwin Reserve “Columbus” handleset model COLXELL.TRR.OO3

The mechanism that opens the latch on our front door has broken. This is not as serious as it sounds because the main lock is a deadbolt (which is working fine). After some disassembly (OK, a lot of ...
4
votes
2answers
463 views

How can I remove a lockset latch assembly that's stuck latched?

My latch is stuck. I couldn't turn the handle, even unlocked, so I removed the handles. Now I've got direct access to the latch assembly, and I can't get the unlatching part to move (to the right, in ...
2
votes
2answers
40 views

Is it possible to modify my new europrofile cylinder lock to work in my traditional night latch?

We have a traditional night latch. We need to change the lock to use a different key. We accidentally bought a europrofile cylinder lock. I know from videos like this one that a lock can be ...
2
votes
4answers
130 views

How do I find a replacement door lock for this?

I moved into a newly built home and am trying to replace the deadbolt and the lever below. But I'm not able to find a replacement lock that replaces my existing locks. All locks I've looked at have ...
1
vote
2answers
70 views

Which parts are missing from this vintage lockset?

I'd like to get this lockset back into working order on a vintage 1-3/8" interior door with 2-3/8" backset, but do not know which parts are missing. Here is what I do have: Also, either the door ...
2
votes
0answers
64 views

Don't know where lever is to open top latch on steel cellar door

I recently took over my recently passed Grandmother's house and she has a furnace in the cellar. Of course, the furnace went out, so I need access to the cellar in order to fix it. I moved from out of ...
0
votes
1answer
154 views

Big gap for interior lock

Problem: there is a big gap between the side of the door where the lock is and the frame of the recess, so that the lock latch doesn't reach the strike plate to keep the door shut. It takes a slight ...
0
votes
1answer
200 views

Replacing my locks/door handles

I'm going to replace the locks in my home. I'm doing this because we are renting the property out and I want to get keys that are "un-duplicatable" (the kind where only the owner is allowed to make ...
0
votes
0answers
74 views

Front Door - Sound after closing it

I just moved into a flat and the front door has been bothering me. When I close the door, around 3-5 seconds later I hear a loud clicking/popping sound. It's like a lock moving into place or ...
1
vote
4answers
1k views

Removing a Schlage door knob with stripped screw heads

I made the mistake of trying to remove a Schlage lockset with a regular screw driver too many times. (The knob makes it impossible for an ordinary driver to seat properly on the Phillips screw head. ...
0
votes
1answer
117 views

Which mortise lock/brand I should get to replace this one?

I got the Marks Metro mortise from HomeDepot and thought it would match the current size (I thought mortise has a standard size). However, when I try to replace it, the old mortise is a bit bigger. I ...
2
votes
1answer
171 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 ...
7
votes
4answers
344 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 ...
1
vote
0answers
259 views

How can I secure an outwardly opening front door without damaging anything?

This is a rented house in Japan (single room). It has an outwardly opening front door. The resident (a single woman) has fear of intruder breaking in. Also, damaging/modifying the door or the wall is ...
5
votes
2answers
485 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 ...
2
votes
3answers
73 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 ...
0
votes
2answers
242 views

Can I change from a mortise lock without buying new doors?

I have two external mortise lock doors that will only open with skeleton key. After several years I'm ready to upgrade. Will I have to get a new door or can I upgrade these to modern locks. I've ...
0
votes
1answer
62 views

schlage privacy set door knobs

Gold coloured. Model unknown. Took the handles off to paint/update them, now the knobs just will not operate the mechanism at all. Knobs will not turn or operate thestriking mechanism. No, it has ...
2
votes
2answers
1k 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
187 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 - ...
0
votes
1answer
145 views

How do I un-stick the release button on my Yale door knob?

I'm rekeying my door locks (Yale door knob/locks). To remove the knob, you press in the release button & slide the knob off. The release button is stuck and I can't depress it enough to slide the ...
3
votes
2answers
409 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 ...
0
votes
0answers
89 views

Making or obtaining replacement parts for a multi-point window locking mechanism

When I bought my house, it was fitted with multi-point locking systems on the windows. One or two of these have failed - an internal cast-metal half-cog has disintegrated. There is no manufacturer's ...
1
vote
2answers
319 views

Am I required to have a doorknob lock on my exterior door?

I have both a deadbolt and a doorknob lock on my door (actually, all three of my doors). I've noticed that this is a consistent pattern at most houses and apartments that I've visited in my area (I ...
0
votes
0answers
166 views

Deadlock not working properly

The deadlock on our front door has worked fine for 2.5 years. You could hear a "clunk" when it was turned. Now, all of a sudden, the latch slides over silently with no resistance. The major problem ...
1
vote
1answer
156 views

How do I remove this doorknob?

We live in a townhouse built in the 40s ... probably renovated in the 50s ... I want to replace this doorknob with one that has a key lock. I can't figure out how to remove it! I was able to ...
0
votes
1answer
33 views

How do I repair latch lock that has unscrewed?

In the image, part C has detached from part A. I assume that this happened because part A moved slightly each time the door was opened. Part C cannot be screwed onto part A because of the square ...
2
votes
1answer
196 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 ...
0
votes
1answer
135 views

Key card door lock?

I'm looking to add a card scanner door lock to an existing door that currently only functions with a key and a simple pull handle. It has a mortise-style lock so the backset on the door (to the ...
4
votes
4answers
242 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 ...
0
votes
1answer
145 views

How can I control this electronic door release with an Arduino?

I am planning on fitting this GK311-1224 ANSI Release to a door and using a simple switch and Arduino as triggers. Are there any examples of a typical installation for a lock like this.
1
vote
1answer
383 views

How can I remove a dead bolt?

I'm trying to remove a 16 yr. old Titan Dead Bolt. I have it disassembled but cannot get it out of the door. There is no strike plate on the door that I can remove. There is only a brass ring that the ...
1
vote
1answer
277 views

Can these locks be rekeyed to the same key?

I have 3 external doors on my house. Each has a different key. Two are Schlage sets and one is a Norwalk. The Norwalk blank says AR1 on it, and the Schlages are the standard version. The Norwalk is ...
3
votes
1answer
497 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 ...
0
votes
1answer
172 views

Is it safe to oil a lock? [duplicate]

I have a very sticky door lock, is it safe to oil it with standard household oil? Will oil degrade the security of the lock in any way? If it's safe, how should I apply the oil?
2
votes
3answers
2k 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
1answer
155 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 ...
1
vote
2answers
763 views

How to get a new tumbler pattern to re-key existing locks?

I suspect I don't know what terminology is correct which is why I can't find any information on this via google. Say I have standard door locks (Schlage or Kwikset) that are fairly new and I have ...
0
votes
1answer
2k views

Is it possible to rekey an Andersen exterior door with Kwikset SmartKey?

I want to use the Kevo lock on my front door and have my back doors have the same physical key (even though they clearly will not have electronic keying). To do this, I need to replace the cylinder ...
0
votes
1answer
470 views

Weslock Double Locking Deadbolt Impossible to Remove from Door:

I have an old Weslock double-locking deadbolt which is dying a slow death. After removing the outer mechanism, I attempted to remove the inner mechanism simply by tugging. But I've pulled on it so ...
2
votes
4answers
14k 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
3answers
978 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?