Questions tagged [bolts]

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votes
1answer
27 views

Trying to find correct bolt for ceiling fan electrical box

I'm really struggling trying to find the correct bolt for this electrical box for a ceiling fan. After taking the old ceiling fan out, I found 2 mismatched bolts that the previous person had used. One ...
1
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1answer
83 views

What type of screw/bolt has expandable wings behind the wall surface?

Do you know what type of screw and bolt this is? Do you know the best way to unscrew it? It attaches my CCTV camera to the ceiling plaster (dry wall).
1
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2answers
72 views

Which side are these washers supposed to go?

I’m trying to assemble this trolly and the instructions are blatantly useless. Attempting to check it from the box picture, I was convinced that the washer goes on the nut side, but as I tried fitting ...
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2answers
30 views

Drip leak from a 2 yr old toilet / bolt

I had my toilet replaced about 2 yrs back with a Kohler 4467. It seems to have developed a drip leak from where it is bolted - a drop or 2 every 30min. I had the plumber who installed it come and look ...
5
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2answers
455 views

What type of bolt is only threaded at the tip

I am trying to fix my son's scooter and need a 2nd one of these: I've never seen this style of bolt/screw before: only the first 1/4" or so is actually threaded and the rest is just an ...
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2answers
67 views

Allen key bolts vs Phillips head make a difference?

I received a metal bed frame without the bolts. The directions have the sizes used in hardware list. I went to hardware store but they didn’t have M6 bolts with hex head as shown. The sales associate ...
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2answers
54 views

Top Fixing Toilet Seat Bolt won’t unscrew

Any ideas for getting this guy on the left out? When I unscrew it I just hear a squeaking sound. Guessing that the nut has rusted onto the bolt and the whole plastic assembly is turning. Thanks
8
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3answers
662 views

Are electrical screws a standard diameter?

I've just had to reset the thermal cutout of my immersion heater. Whilst removing the cover, I've stupidly dropped the nut somewhere behind the tank. Fishing around with a magnet has pulled up all ...
1
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1answer
77 views

How do I fix this poorly designed double-rod towel rack?

Original question: How do I name/ describe this bolt so that I can search for and purchase it? I have a troublesome towel rack that I’ve been fighting with, off and on, for several years. After much ...
1
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1answer
37 views

Can I use a different type of bolt for awning?

I got a light plastic awning from amazon. It only has 3.4 pounds. The size are 30"x40". Now I want to install it over the front door. The package comes out a set of bolts(The size is marked ...
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3answers
58 views

unscrew a rounded nut

I tried to remove the supporting wheel of my son's bike the other day, it's quite easy to remove one but the other gave me quite a bit trouble - the nut is rounded thus can't be secured by a wrench. ...
9
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2answers
2k views

How to prevent bolts from rusting and sticking in the toilet tank?

Inspired by this problem. If I somehow succeed in removing the rusted bolts and replace them with new ones, how can I prevent the new bolts from rusting and getting stuck too? (Other than removing ...
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5answers
487 views

Removing rusted screw and wingnuts from toilet tank

My toilet tank is held in place by two screws, which have rusted so much that the shape in their head is almost completely disappeared. On the opposite side, they are held in place by two wingnuts ...
4
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5answers
2k views

How to bolt something to a wood member when can't access the back side and a carriage bolt won't do

I need to bolt a solar inverter to a stud wall for three reasons. it needs to be a few inches offset from the studs, so the bolt holes in the inverter won't line up with the studs, I'd feel better if ...
-2
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1answer
85 views

What would the size of this nut be? [duplicate]

I have this nut that is attached to my bed. However, I don't have access to the bed and hence need to guess the size of this nut so that I can buy the tools for it. Anyone know roughly how big this ...
10
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2answers
5k views

How do I remove this bolt from my bedframe?

This is my first time posting in this forum but I wanted to get some help from y'all regarding removing a bolt from my bed frame. I bought a used bed frame and I need to dismantle it to shift it into ...
0
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2answers
67 views

Sourcing a spacer / rectangular washer to prevent rotation of a carriage bolt in a round hole?

While installing a Curt trailer hitch, I lost one of the provided carriage bolts and what they call a spacer inside a frame tube. After lots of time spent trying to retrieve the bolt, I've decided to ...
2
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3answers
157 views

How much weight can a 3/4“ x 8” lag bolt hold when drilled in half way?

Question: How much weight can a 3/4" x 8" lag bolt hold when drilled in half way? What about other lengths and thickness, and percent drilled in? Is there some sort of formula to calculate? Optional ...
0
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1answer
56 views

Stuck/Spinning Bolt Screw

Some time ago I had a handyman install a pull-up bar with some "M10 x 75" bolt screws that came included with the pull-up bar. When I try to take the bolt screw off to remove the pull-up bar, the ...
1
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3answers
91 views

Can I use toggle bolts to install faux wood beams to the drywall in the ceiling?

Unfortunately the ceiling ceiling joists run in the wrong direction. I was wondering if I can use toggle bolts to support ~50 pounds of faux wood beams on ceiling dry wall. It would be about 4 toggle ...
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2answers
192 views

How to mount header bracket for garage door opener to concrete wall?

The anchor of the header bracket securing the garage door opener's rail to the concrete wall above the garage door came loose over time and with vibrations (details in a previous question). What is ...
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3answers
187 views

What kind of bolt is this? (securing the garage door opener rail to the wall face)

It was used to secure the wall mounting bracket of the garage door opener's tee rail to the concrete wall of the house above the center of the garage door opening. The bolt was inside an expanding ...
0
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3answers
64 views

Does unthreaded portion of bolts fit through hole?

I'm getting replacement for some M5 x 30mm hex bolts. The original ones are fully threaded, i.e. the whole shank length. The ones I can find have an unthreaded portion (i.e. grip) but their overall ...
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2answers
183 views

What are these parts included with mounting bolts?

I have a thing to mount on the wall. These things were coming with it. To figure out how to apply them properly I has to know how these things and their parts are called. There 10mm inscription on the ...
1
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1answer
203 views

When to recess a lag bolt in lumber, vs. using a lag screw?

I'm trying to figure out when you should recess a lag bolt in lumber, vs. just using a lag screw? Does it depend on the type of wood being screwed into? Hardwood? Softwood? Plywood? I know you can'...
16
votes
4answers
5k views

What is this attaching my toilet seat and how can I unscrew it?

I’m trying to unscrew my toilet seat but it seems to have been fitted with this plastic mechanism, which doesn't seem to want to be unscrewed. Do I need a special tool to remove it?
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2answers
61 views

Verify existing torque on tightened bolt using a torque wrench

I have a couple of already counterclockwisely tightened bolts and would like to know how much they're torqued to in the first place. I know they're torque to at least 25Nm but how much more I don't ...
10
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4answers
2k views

What's this bolt head type and how can I open it?

There is a bolt screwed inside a long hole: I don't know the bolt head type. Is there a trick to open it?
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2answers
220 views

How can I remove this concrete wall anchor?

The anchor pictured was holding a hose reel, which has been removed. When I twist the part sticking out it just spins infinitely in either direction. I think it is something like a toggle or a molly ...
3
votes
2answers
872 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-...
4
votes
4answers
3k 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 ...
6
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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 ...
1
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1answer
171 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 ...
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2answers
70 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 ...
10
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2answers
798 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 ...
1
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2answers
362 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
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1answer
531 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
1k 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
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2answers
620 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
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1answer
34 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
137 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
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1answer
98 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.
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0answers
90 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 ...
21
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10answers
9k 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 ...
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3answers
381 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 ...
3
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1answer
98 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,...
0
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2answers
2k 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 ...
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3answers
1k 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 ...
4
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3answers
790 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 ...
0
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1answer
424 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 ...