Questions tagged [lock]

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

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votes
1answer
371 views

How standard is American Standard Mounting for mortise locks?

If I have a door whick has been prepared for one ASM mortise lock, can I directly substitute another? For example, if the door had a Yale mechanical lock, would moving to a Kaba electronic lock just ...
4
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1answer
543 views

Metal doors, Mortise locks, and … mobile liner?

Spent last night retrofitting a fancy electronic combination lock on a metal door for the first time, and encountered something I don't understand. The door has previously had another mortise lock, ...
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2answers
216 views

What does this double lock do?

I saw this recently and wondered: Why are there two lock cylinders? How does this work? Is this how this thing was originally designed? ...and thought someone on this site might have some insights. ...
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2answers
465 views

Multi point door lock security and can I use wood screws near it?

I've had a break-in so looking to improve my security. I have what I believe is called a multi point lock - see pic. Basically when you lock the door there are pins at the top and bottom of the door ...
6
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3answers
6k views

should door locks and deadlocks be keyed the same [closed]

Should door locks and deadlocks be keyed the same. Is there any advantage or disadvantage (besides having more then one key) in having them keyed different?
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1answer
445 views

Why can I no longer turn the knob of my self-locking door from the inside?

I live in an old apartment and the door knob on my front door has been having problems for a while. In theory, the door locks from the outside automatically, but can always be opened from the inside. ...
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1answer
1k views

What are the best option to Rekey My New House?

I'm closing on my first house on Tuesday and I'm interested in seeing if rekeying my locks is worth the effort. I think my options are: new locks, rekey it myself, and get a locksmith to rekey it. Any ...
12
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1answer
3k views

How do I unscrew these?

I'm a college kid trying to sneak my boyfriend in my dorm window. The first section is the holder on the window, the second part is the end of the slider on the window. All I have to do is disconnect ...
3
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2answers
359 views

What is this door hardware called?

Can someone help me out and let me know what these are called? I'm looking on a DIY site to order one but can't work out what these are called to be able to find them. As you can see in the picture,...
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2answers
3k views

What type of screw should I use to install a latch lock on a metal door?

I want to install a latch lock on a metal door. What is the best type of screw for that?
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5answers
256 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. The manufacturer was Barrows, which seems to be somewhat rare since our local hardware doesn't carry ...
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2answers
88 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 attacks"...
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1answer
2k 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
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1answer
234 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, ...
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1answer
893 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, ...
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1answer
157 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 ...
2
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3answers
6k 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 ...
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0answers
491 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
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2answers
17k 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
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2answers
95 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
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5answers
2k 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 ...
2
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3answers
159 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 has ...
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0answers
1k 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 ...
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3answers
170 views

How do I make a table drawer child-proof?

I want to build a drawer into a table that is held shut by an unseen lock (probably magnetic). The drawer front would have two small holes in it. The handle for the drawer would fit into the two ...
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1answer
3k 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
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1answer
882 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 ...
2
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4answers
8k 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. ...
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4answers
1k 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
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1answer
2k 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 ...
9
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4answers
1k 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 ...
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4answers
35k 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
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2answers
638 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
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3answers
117 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 ...
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2answers
15k 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
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1answer
155 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
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2answers
8k 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
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3answers
549 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
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1answer
949 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
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2answers
6k 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 slider ...
1
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1answer
207 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
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2answers
2k 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 ...
1
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1answer
2k 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
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1answer
72 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 shape....
2
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1answer
688 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
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1answer
743 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 ...
5
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5answers
4k 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
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1answer
241 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
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1answer
974 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
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1answer
1k 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
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1answer
3k 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 ...