Questions tagged [bolts]

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3k views

How do I cleanly cut threaded stainless .24" rods?

I have tried hack saw, manual bolt cutters, plasma cutter - all of which mess up the thread and make it tough to get the nut on. What's the best tool for this? Ideally something under $50 or ...
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1answer
4k 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 ...
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1answer
742 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?
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2answers
7k 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" ...
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1answer
18k views

What lag bolts to use when mounting 65" TV to drywall using plywood?

I've seen this question asked before, but didn't see what hardware to use in putting up the plywood. I'm looking to mount my 65" TV above the fireplace using an articulating mount that mounts across ...
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1answer
376 views

How can I treat or replace steel bolts in aluminum nuts to avoid corrosion?

I have a structure originally built from aluminum extrusion with channels using aluminum T-nuts and steel bolts. Over the years, the steel bolts have rusted, making them prone to stripping at the head ...
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1answer
4k views

Loose thread in standing lamp between base and rod

My wife just bought a lamp at Target, the kind you have to self assemble the rod from 4 hollow pipes and a base, where the electrical wire is already threaded through all of them. Each of the 4 ...
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1answer
6k views

Are there transit bolts on this dryer?

We just moved into our new place and our new dryer is making strange rattling noises that sounds as if a small screw or other metal part is stuck somewhere in the machine. We checked all the ...
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2answers
231 views

Uncommon bolt head

Can anybody please tell me what type of bolt is this? I can not find any tool to remove it. Thanks!
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2answers
145 views

How can I safely increase the size of a door bolt?

I live in an apartment right near the garage of the apartment. Every time someone comes in or out of the garage, the change in air pressure causes my door to slam a bit and it sounds like someone is ...
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1answer
609 views

What is this small hollow metal cylinder?

I've bought a flat-pack bed second hand, and it has one part missing. There are two boards I need to join, and according to the instructions I should hammer a short (about 4 cm) hollow metal cylinder ...
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1answer
198 views

How can I remove the bolts holding down my utility sink?

I have a utility sink that is sitting on 4 legs, the front two bolted to my cement floor and I want to remove it. I'm not sure what kind of bolts these are. From looking at different kinds of bolts ...
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3answers
20k views

What type of bolt should I use to maintain a movable joint?

I'm making a collapsible frame for a moses basket. The design is something like a deckchair, where two lengths of timber cross each other and are fastened with a bolt but can still move in relation to ...
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1answer
101 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 ...
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1answer
477 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'...
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1answer
257 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
2k 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 ...
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3answers
2k 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 ...
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2answers
34 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 ...
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2answers
2k 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 ...
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2answers
2k views

How should I mount this ceiling light fixture?

I have a fairly heavy (a few kg) hanging lamp which came with this ceiling mount (and no instructions): So, to mount it, I can remove the bracket from the cover, screw it to the ceiling, put the ...
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1answer
895 views

Countering/Filling countersink in a metal component

I have a metal component on a project. The holes are countersunk for use with M3x16 flathead phillip screws. The problem is, due to torque requirements, these screws are consistently stripping out and ...
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1answer
714 views

Hanging a heavy object with the help of a plywood beam (due to a mismatch with studs)

Two studs in my wall are 24" apart, but the mirror I'd like to hang has hooks that are 32" apart. I'm reluctant to use a hanging wire and shift the mirror a little to the left or to the right, simply ...
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1answer
3k 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 ...
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1answer
1k views

How do I shim a steel structure?

I need to affix my steel stringers to a concrete beam. Since the beam was poorly executed, it is not plumb. On this piece I will weld some 5 mm thick plate on the backing, that will have holes for ...
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1answer
5k views

How can I attach the frame of a bed to legs using carriage bolts? [closed]

I have a bed that I have been building - it has 4x4's for the legs, and I want to attach the frame of the bed (the part of the bed that runs from front legs to back legs, structural support) to the ...
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2answers
622 views

Top Fixing Toilet Seat Bolt won’t unscrew [closed]

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
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3answers
3k 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 ...
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0answers
23 views

Seized in and sheered off with limited options

Group, To put my situation into perspective: I'm working on an electric motor. This motor contains a few semisensitive (temperature wise) sensors near the power box. I have an approximately 4-5 ...
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3answers
2k views

What kind of wall bolt/anchor is removeable?

What kind of wall bolt/anchor will allow me to remove and replace it as many times as necessary? I am looking to attach a couple of 2x4's flat against a brick wall, however they would only stay there ...
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2answers
4k views

How to attach a bolt down post support to a fast set concrete post built with

What is the procedure to attach a bolt down post support to a fast set concrete base post? WHat type of bolts and what size should I use to attach this? One of the posts will support a 39" wide gate, ...
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2answers
193 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 ...
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3answers
5k views

How much cheaper is it to buy nuts and bolts by the pound? [closed]

I have heard that buying nuts/bolts/lag screws by the pound is cheaper than buying them individually. In my town, Tractor Supply sells them by the pound, whereas Lowes sells them individually. Is ...
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3answers
413 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 ...
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3answers
120 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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3answers
82 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. ...
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1answer
2k 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 ...
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3answers
3k views

removing old bolts from brick wall

I've got a rusty old downpipe on my external brick wall that needs replacing, however the bolts on the brackets don't seem to have useful heads. See photo: https://docs.google.com/file/d/...
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2answers
31 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 ...
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2answers
499 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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2answers
1k 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 ...
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3answers
782 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 ...
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2answers
4k 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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1answer
135 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. ...
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1answer
552 views

What is the use the plugs over this deadbolt's bolt holes?

When re-keying our house, I came upon these unexpected bolt hole plugs in the deadbolt assembly. Is there a graceful way to remove them? I'd prefer not to take a small prying tool and force them out, ...
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2answers
1k views

What is the name for this type of anchor bolt with a “leg”?

I'm trying to figure out what this is called. This was used in a basketball hoop to connect a piece of square bar to a flat metal frame. The bolt went through the metal frame, then into a hole in the ...
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2answers
311 views

What glue & screw/bolt/nut to use to fix the bathtub drain overflow?

I was cleaning the bath tub and I had unscrew a cap from the side of bath tub (where the hole is located) below: The cap consists of 2 parts:Part A & B as below When I removed part B, there was ...
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2answers
108 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 ...
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2answers
241 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 ...
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1answer
265 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 ...