Questions tagged [bolts]

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1
vote
1answer
82 views

Hold a nut while unscrewing?

Im trying to take apart a metal desk, but Im stuck on one part. Theres one spot where the screw is visible, but the nut isn't accessible, so when I turn it, it just turns both. Ive tried moving other ...
3
votes
2answers
100 views

How do I get this lag bolt out?

As you can see, the (3/8") lag bolt broke off about 1.5cm beneath the surface. I have a 18V cordless drill and a corded high speed dremel at my disposal. My initial idea was to use some sort of EZ-...
3
votes
4answers
130 views

Re-using lag bolt holes?

Can holes in wood studs that previously held lag bolts be re-used with lag bolts of the same diameter or will this not hold safely? More detail: I have a piece of fitness equipment mounted to wood ...
1
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2answers
2k views

How strong is a lag bolt through the narrow face of a 2x4 stud (meaning it only has 1.5" to grab)?

I'm trying to mount a TV, but the only studs are on the outside walls of this niche in my fireplace. Meaning I could build a little wooden box and lag into the narrow face of the studs (the 1.5" ...
6
votes
6answers
3k views

What is the name of this Allen-head furniture fastener?

I have a couple of boards that are parts of a table I am assembling, and I wish to know the name of the metal piece of hardware circled in red, below. I would have thought it was called a bolt, but I ...
0
votes
1answer
103 views

I tightened a Titus Minifix Cam too hard and now I have to take it apart. Is that OK?

I put together this TV stand, and used a cam/bolt dowel for the first time when I got to the step of attaching the top of the TV stand (A) to the two stand panels (E). Since I assumed the cam had to ...
10
votes
2answers
673 views

Identify this screw head (was: Security Torx)

Am attempting to open an old device cover (an adapter) and it has these screws (please see attached image, sorry for the bad quality, I couldn't get better focus than this.) Would really appreciate ...
0
votes
2answers
51 views

Screwed bolt past thread. Now it is stuck. How to remove it?

The thick metal plate has a thread for two bolts. By mistake I screwed one of the bolts in all the way. Now the bolt won't come out from the metal plate - bolt spins freely both directions. I tried to ...
1
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3answers
447 views

What is the name of a “headless” bolt

Wasn't sure whether to post this on ELU or here, but thought I would have better luck here. Anyway Merriam Webster defines a Stud Bolt as a bolt with threads on both ends designed to be screwed ...
0
votes
1answer
535 views

Need help installing the pull up bar i just bought

i am a rookie that hasnt done much installing/drilling etc. in my life (just turned 18 ;P). So i bought this pull up bar online, assembled it, but now i have to install it to my wall. At first i ...
1
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5answers
14k views

How do I tighten/loosen this recessed nut and bolt?

My bed has a nut and bolt that are recessed into a piece of wood. The only tool I have that fits it is the tiny toy spanner that came with the bed. The spanner does not grip the nut tightly enough ...
3
votes
5answers
19k views

What is the meaning of the letters on the top of a common hex bolt?

I recently drilled and tapped a 5/16"-18 in a piece of soft steel, then found that the 5/16"-18 bolt I had chosen wouldn't fit (the bolt was slightly too large). When I found that other 5/16"-18 ...
1
vote
2answers
72 views

How much weight can threads hold?

I'm building a pot rack that will hang from my ceiling and I want to make sure it is secure. I rigged up a hanging apparatus that consists of a 1/2" x 12" bolt, two lock nuts, a 3/8" pipe floor ...
1
vote
1answer
95 views

Unsure how to hang awning on garage, nor what bolts to use

I bought a light awning set to put on the side of my garage, and it came with the following anchor bolts: My garage has a wooden panel attached to wooden studs inside the wall and I am trying to ...
1
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2answers
207 views

Can I use lag screws, lag bolts to hang swing vertically from a wood beam?

I need to hang a swing (picture attached) from a large wood beam in my living room. The beam is 1 foot high and 1/2 foot wide. (quite strong). I am planning to use 2 metal faceplates . Each ...
0
votes
2answers
112 views

Do toggle bolts have to be perpendicular to the floor?

Recently I installed floating shelves on my drywall using toggle bolts. I noticed some websites mention that toggle bolts need to open up in a way that is perpendicular to the floor. When I installed ...
1
vote
1answer
33 views

How to hang off of wide circular hole in concrete?

I have a concrete wall with many 2-inch diameter, 1.5 inch deep, perfectly cylindrical holes on it. I’d like to hang some relatively lightweight (up to 10 lbs) decorative stuff off of these holes. ...
0
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2answers
116 views

What is the equivalent degrees of one “turn”

Often in install or specification manuals you will see something like: Tighten X turns past finger tight Example This has always bothered me as it seems ambiguous. I've always taken this to mean ...
2
votes
1answer
51 views

How to remove carriage bolts from a basketball backboard?

How can I remove these carriage (or perhaps round head) bolts? (How were they ever tightened to begin with?) There seems to be no way to access behind the backboard.
0
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0answers
65 views

Removal of a Large Bolt

I looked at an earlier set of answers that seem to apply to this situation, but they are not quite the same and the question is different. I have a large pin that is threaded on one end. It is 1" dia ...
4
votes
2answers
2k views

What is type of screw is this?

This cylinder-like screw is screwed into an opening on the inside of a table. It basically "locks" into the screw that is facing down from the top. Kind of like this: I'm trying to get them out, yet ...
5
votes
16answers
55k views

What can I use as a thread “tightener” compound for a free-running bolt?

(I'm familiar with thread "locking" compounds, purple, blue, and red, but that's not what I'm looking for here. They lock once and then upon breaking the joint, do nothing further.) I'm looking for ...
21
votes
10answers
5k views

Turning a hard to access nut?

Working on the propane conversion of my gas stove. One of the orifices to be changed is in a very hard to access location - shown in the photo. The orifice is the "nut" I'm referring to, which you can ...
0
votes
3answers
73 views

Attach railing to aluminum post

I am putting in a handrail down the few steps into our garage. The floor is concrete, so I've ordered a couple of 3x3 aluminum posts. The railing has a single attachment point per post, and the ...
5
votes
3answers
4k views

What ikea screwdriver type is this?

I am trying to disassemble by bedframe and the Screwdriver that I have seems too loose. Where can I find a screwdriver to do this?
79
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8answers
446k views

Should a washer go on nut side, or the bolt side?

Often I take something apart and when I go to reassemble it, I don't remember which side the washer was on. When there's only one washer, does it generally go on the nut side (pressed up against the ...
3
votes
1answer
82 views

Help with strange type of bolt

I'm hoping someone can help me identify what type of bolt(if it is even a bolt) this is, what it is used for and most importantly how to remove it. This is used to attached a boat engine to a transom,...
2
votes
2answers
66 views

loosening bolt on the steel support strut that's secured to the ceiling of the garage

I was working on my garage door the other day and I noticed that the steel supporting strut (or more appropriate name for this? See the picture) tilted due to a loosening bolt, the ceiling cracked ...
0
votes
2answers
428 views

Would a M6 bolt fit in a 6mm hole?

I'm trying to look for some Allen screws for a friend to help him out, but am unable to figure out the correct size of the screws and nuts he lost (see image, marked in red).. I'm not really familiar ...
1
vote
2answers
19k views

How to tighten a carriage bolt?

I'm trying to assemble a glider patio chair which I ordered. The main pieces (seat, back, sides, etc) are assembled and I'm supposed to just screw the pieces together. How are you supposed to tighten ...
0
votes
3answers
483 views

Rectangular steel tube bolted connection

Is there any way to make bolted connections (T-shape, L-Shape etc) for rectangular or square steel tubes to avoid welding but also achieve modularity of the structure? Threaded tube inserts can help ...
64
votes
11answers
83k views

If metal expands when heated, how does heating a bolt loosen it?

If you're having trouble removing a stuck bolt, common advice is to heat the bolt up. But if metal expands when heated, wouldn't heating up the bolt just make it harder to remove? How does heating ...
4
votes
3answers
290 views

Correct orientation for t-shaped shelf bracket to minimize stress on anchor bolts

I have a t-shaped shelf bracket that looks like this: | <- screw hole here | <shelf> |----------- <wall>| | | | <- screw hole here This is a ...
1
vote
7answers
8k views

What kind of blow torch to use for a stuck bolt

I'm trying to remove a tire from a lawn tractor and the bolt is stuck. I've tried all kinds of penetrating oils and an impact driver with no luck. A lot of websites recommend heating the bolt. What ...
0
votes
1answer
200 views

Alternative to using a bearing on threaded rod? [closed]

I have a project where I use a threaded rod to allow a piece to move up and down the rod when rotated (much like a deodorant stick) now I need to fix the threaded rod to it's container in such a way ...
0
votes
1answer
108 views

Where to find this kind of bolt?

We have a system of shelves that we brought with us when we moved to a new apartment now. However, some of the bolts broke and now we're having a hard time buying new ones. These are not from Ikea. ...
10
votes
5answers
21k views

What is this kind of security bolt head called, and how can I remove it?

A previous owner fitted the light fitting pictured above, and has not left me a tool to remove the bolt. The bulb has blown so I need to get in to the unit. The head diameter is about 12mm and the gap ...
1
vote
2answers
645 views

Building a No-Weld Trailer Chassis

I need a chassis for a box trailer. For now I'm focusing on the chassis itself, as once that's built I can use it to haul the rest of the things needed for the box. I'm no steel-worker though, and ...
1
vote
2answers
96 views

What's the spanner called for these “four side notch” collars/bolts?

Notice this thing, for a 30mm ... What is the tool to tighten that properly? It would seem to be best if it was a long tube-like thing you slid down from the top and tightened, but, maybe there's a ...
1
vote
1answer
1k views

Where do you put multiple washers when you have a bolt and a threaded hole?

I bought a bed second hand, and it came without instructions, the bed posts have threaded holes, for bolt to go into, and the bolts have a locking washer, and a bigger bigger, flat one. I wish to know ...
1
vote
2answers
30 views

Folding garden chair assembly…putting a stud in the wood

I bough an wooden garden chair table set from a company called vidaXL. There is one step where a half threaded metal stud needs to be screwed in the wood. The other half of the stud is smooth and ...
1
vote
1answer
177 views

What are the iron bars and threaded rods sticking up out of my backyard?

What are these bolts and metal rods sticking out the ground?
1
vote
2answers
1k views

How can I tighten nut under kitchen sink

My kitchen tap has come loose from the sink and I'm having trouble tightening it back up. This is what it looks like. I need to tighten the nut, but the problem I'm having is there is not enough ...
6
votes
4answers
22k views

How to remove rusted tank bolts

We have a really old toilet in one of our bathrooms which has started to leak around the tank bolts. I was going to replace the bolts and washers but the nuts are completely seized and rusted to the ...
0
votes
2answers
103 views

Trying to replace the adjuster screw on a screen door — low-profile threaded screw insert and bolt (identification needed)

On my sliding patio screen door there is an height adjuster held in place by flat-profile screw inserts. I'd like to obtain more of these threaded bolts and inserts, but I have a nomenclature issue ...
2
votes
2answers
149 views

How to identify a nut

I have to replace a nut on an old sliding door that dates back at least 50 years. The nut fits a 7/16 spanner, but that's all I know about it. Unfortunately I can't take the nut off and take it to my ...
2
votes
3answers
355 views

How to fasten rotating pieces without self-tightening (or loosening)? [closed]

I'm trying to make a "slider crank" mechanism for cheap out of 1/4" x 1.5" aluminum, where all the movement is in the xy-plane (parallel to the ground). Total linear movement is ~6 inches. Not my ...
0
votes
1answer
859 views

How do you pry apart pieces stuck together by cam screws?

I have already removed the cam lock (the round piece that locks it in place). What I am left with is two pieces of wood that are attached by the cam screw. Simple hand pulling has not pulled them ...
0
votes
2answers
84 views

A very hard to find piece of hardware [closed]

Our new-to-us house has cable-guided retractable solar screens. The cable tension is maintained by a bracket mounted piece of hardware that looks kinda like this: Not even the hard to find hardware ...
2
votes
1answer
79 views

What is this metal bookcase component called?

I have partially assembled a tree bookcase and have discovered that I have been supplied with an incorrect part. I was supplied with the part shown in the attached picture. The pictured part is 76mm ...