Questions tagged [bolts]

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5 answers
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How do I "rethread" a bolt/screw so it can be tightened?

This is a base for an exterior umbrella. The screw isn't threading to the base anymore so I can't tighten it. Is there an inexpensive way to "rethread" screws? Right now, it just spins.
rbhat's user avatar
  • 2,043
0 votes
1 answer
77 views

What do you call this pin holding two metal pieces together

I have a cabinet with a locking mechanism that's missing the pin shown in the following image from an identical cabinet. (Looks like a brass pin with a black crest-shaped clip holding it in place.) ...
Wynne's user avatar
  • 1,541
1 vote
1 answer
71 views

Anchor identification for custom shelving

Rookie hardware question: my father built our kids some custom shelves and gave me several sets of these wall anchors/bolts to install them. I know this is a wall anchor system but looks significantly ...
hotmeatballsoup's user avatar
1 vote
4 answers
111 views

What's the name of this tube insert for mounting tubes perpendicularly to a surface with hidden bolts? [closed]

I want to build a couple of cat scratch posts that can be mounted perpendicularly to a wall and used by cats as steps. I was thinking about using PVC or thick cardboard pipes/tubes, and how I could ...
bmk's user avatar
  • 111
0 votes
1 answer
67 views

What this type of bolt is called and how I can remove it?

I don’t have idea how to remove this bolt.I can spin it but it just keep spinnig.
Aki Abdulahovic's user avatar
3 votes
1 answer
349 views

What torque value for bolts that are holding a steel beam to reinforce a wood floor beam

Question up front: What torque do I use on these bolts? See Answers to Comments and new info below. Details: I’ve got a 100-year-old home that has a 6x6 wood beam running down the center of the main ...
Aaron654645's user avatar
4 votes
1 answer
613 views

Quick Release Pin spring mechanism

The kind of quick-release pin shown in the picture has a cap with an interior thread so it can be removed from the pin which has an exterior thread, revealing a center rod that extends axially down ...
mr blint's user avatar
  • 1,142
1 vote
1 answer
60 views

How to keep my balcony door partially open?

The door on my balcony has a system that allows me to keep it open at any angle I desire. Unfortunately, this has broken: my door closes when it's windy. I want to fix it. The system works with a wing ...
Paul's user avatar
  • 131
0 votes
2 answers
29 views

Outdoor staircase's connector seems to be barely latching on anymore, tips to fix it?

I have tried bolting the hexes with a wrench. The lower screw is now tighter, but I have trouble tightening the first one as the connector (not sure what this fastener is supposed to be called) looks ...
Dadongmango's user avatar
0 votes
2 answers
121 views

Tap and die for trailer hitch [closed]

I am trying to install a trailer hitch on my 2010 Honda CRV LX to tow 2 bicycles behind my CRV. The trailer hitch set that I bought included 4 bolts that bolt directly into the frame. My honda has 4 ...
Justin Todd's user avatar
0 votes
3 answers
103 views

Can you buy bolts that fit into holes designed for regular screws?

Referring back to my question here: Can you get nuts that attach to regular screws? You can see that I have a metal pole with holes either side designed to be wide enough for a regular wood screw. It ...
Jez's user avatar
  • 197
8 votes
7 answers
4k views

Why are deck joists supposed to be on top of posts, not bolted to the side?

I remember reading that deck joists shouldn't be mounted to the side of posts, but to the top, and this is a common mistake in deck construction. The reason I found was that you'll need a bigger bolt ...
David Ehrmann's user avatar
7 votes
1 answer
1k views

How close does rod diameter have to be for a thread die?

I'm looking to create an (external) thread for M5 nuts at the end of 6063T6 aluminium bar using a hand die of the traditional circular kind from a tap-and-die set. Sadly while the nuts and tools are ...
Dan's user avatar
  • 195
9 votes
5 answers
3k views

What is the name of this threaded tube with screws at each end?

I have been attempting to find the name of this object: The website where I got the picture from calls them "barrel bolts", however searching for that name on shopping websites has not ...
Milichip's user avatar
  • 313
1 vote
2 answers
107 views

Bed frame no longer holding

Is there a way to fix this? Every time I tighten the bolts with an hour wrench it becomes undone. I just noticed that it is very loose now.
Lando's user avatar
  • 11
0 votes
3 answers
89 views

How can I connect metal components so that they can swivel? [closed]

I am making a standing wheelchair. This involves metal pipe components needing to be able to rotate. Can I use a regular bolt and nut to achieve this? or would there be too much wearing because there ...
Ben's user avatar
  • 11
2 votes
0 answers
92 views

What approach should I take when bolting our house to the foundation? [closed]

Our house is a four-square style over a concrete foundation, built in 1918. We're in the Pacific-Northwest, so we're thinking about hiring someone to bolt the house to the foundation in case of the ...
M -'s user avatar
  • 476
0 votes
2 answers
217 views

How can I remove these bolts that connect my safe to the wall?

So in my room I have this safe I want to remove it because it's in an inconvenient spot and rather have it in another room. I have these bolts inside of the safe that are in my wall and the problem is,...
user avatar
5 votes
2 answers
308 views

Suspending a Mini Zip Wire from a Garage Beams - Structural and Clearance Questions

I am planning to build a mini zip wire for my son in our garage. The use case for this for him to safely practice grinds and jumps without falling and injuring himself. A similar approach has been ...
Incertus's user avatar
20 votes
15 answers
7k views

How can I stop bolts from loosening over time?

Here is a picture of what I intend to use: I believe (and could be wrong about this) that over time as the structure is moved, the nut that was fastened to hold the structure together will gradually ...
quantum231's user avatar
2 votes
2 answers
155 views

Is it safe to anchor a pull-up bar through drywall, into a broad-side 2x4 attached to cinderblock using concrete bolts/screws?

I'm wanting to mount a pull-up bar that needs 48" OC spacing to the exterior basement wall. However, it has drywall attached with broad-side 2x4's (rather than on edge), which is attached to ...
Shunsuke Sengoku's user avatar
1 vote
4 answers
5k views

How to remove a bolt if you can’t reach the other side to hold it in place?

The bolt is turning but the problem is that so is the screw. I need to hold the screw tight from the other side, but I can’t reach it because it’s in a one inch wide crevice. The only solution I can ...
Yann Stoneman's user avatar
2 votes
3 answers
621 views

Can anyone identify this screw from a Dell computer? [closed]

It's from a Dell computer so not exactly home improvement but hopefully not too far off topic. I would guess it's metric, being tech, so I assumed it was an M1.4 given the shaft is about 1.4mm across. ...
John Rennie's user avatar
0 votes
1 answer
86 views

Can’t loosen Allen bolt from home patient lift

Hello I am trying to disassemble a hoyer lift to make space in my garage. I am already struggling though on the first bolt. It is an Allen bolt and I have a perfect Allen wrench for it. I removed the ...
dragonegg999's user avatar
2 votes
1 answer
463 views

Lag bolt pilot hole diameter for softwood - unthreaded shaft splitting wood

I'm planning to screw some 3/4 inch lag bolts through a couple of 4x6 PT southern pine beams and looking up pilot hole diameters for softwood it seems like either 3/8" or 13/32" is ...
g491's user avatar
  • 730
0 votes
2 answers
95 views

How do I bring the nut closer to the washer?

Following my last question (thanks @crip659 !), I was able to put the nut back on. However, now it is stuck at this kind of middle level where the threads stop. When I removed the whole thing from the ...
NicolasSC's user avatar
  • 105
0 votes
4 answers
1k views

How to install molly bolts in a hollow core door

I need to screw some hooks into a hollow core door, so I'm trying to use molly bolts and I'm having some problems with them. When I insert them into the hole, I tried using a hammer to lightly tap ...
user348514's user avatar
0 votes
5 answers
881 views

Can you get nuts that attach to regular screws?

I have a screw attaching a plastic mould to a metal pole like so: Obviously, the screw's thread size is not the same as a standard bolt thread size so a regular nut can't be attached to the end of ...
Jez's user avatar
  • 197
0 votes
0 answers
74 views

Rawlbolt anchor bolt too much torque required?

I’m using Rawlbolt anchor bolts to secure a bracket to clay brick. Drilled holes 14mm diameter, 50mm deep, removed dust & inserted shield. Hammered shield flush then inserted bolt, tightened to ...
Mark Robinson's user avatar
0 votes
1 answer
90 views

Is there a weather-safe way to fill holes in cedar to enable re-attaching screws?

I have a fence and gate made out of cedar. The gate was attached to a post with 2 large hinges, using 2" lag bolts for each hinge. The top hinge had both bolts pull out of the post over several ...
Dov Rosenberg's user avatar
1 vote
2 answers
2k views

How to replace bolts in an office chair?

I bought an office chair a while ago that recently had a couple of bolts break off on the bottom of the chair. I'm not sure what the name of the types of bolts are but I need to find replacements for ...
loremIpsum1771's user avatar
0 votes
2 answers
220 views

Name this bolt type for me - double-ended furniture connector with shoulder

I recently purchased some 2nd hand outdoor furniture. It is missing a couple of connecting bolts, like the one pictured below, and I want to purchase replacements. The bolt is used to connect two ...
Anentropic's user avatar
1 vote
2 answers
105 views

What is the name of this hardware connector?

I am looking for the name of the part below. It is a metal connector that has a vertical threaded shaft into which a bolt can be screwed. The base has holes around the shaft that allows the part to be ...
CA_Hobbyist's user avatar
3 votes
2 answers
1k views

Remounting a pullup bar that is slightly off level

I mounted a Rogue P4 Pull up bar system on my wall. I used 6 x 1/2" x 4.5" inch lag screws to fix each post to the wall. I did my best to make each post leveled. However, in the end, one of ...
Kevin Nguyen's user avatar
0 votes
2 answers
386 views

Bolt keeps coming loose

I have an heavy duty office chair for my work-from-home (I am very obese). About every month, one of the bolts falls out of the arm. You can reattach it with a hex-head allen key, although it takes a ...
Paul's user avatar
  • 3
8 votes
7 answers
9k views

Does the outer diameter of 4.78 indicate an M4 or an M5 bolt?

I measured the maximal diameter of this counter-sunk bolt. Note: The bolt is not parallel with the jaws, but slightly rotated so that the bolt head is behind them. Therefore measurement is not of the ...
Martin Drozdik's user avatar
1 vote
3 answers
291 views

Pivoting with nuts, bolts, washers - is it possible?

Consider two stacked plates connected by some bolt, and the plates are supposed to be able to move independently. Usually in such cases they are connected by rivets, and cannot be disassembled easily. ...
Alex's user avatar
  • 113
15 votes
2 answers
3k views

How do I prevent the bolts in my snow blower rotor from breaking?

We got about 12" of snow today and my snow blower lasted only 30 minutes before shearing off one of the 1/4" bolts that holds the rotary blade in place. This is the second time this has ...
forrest's user avatar
  • 253
0 votes
0 answers
110 views

Helicoil, epoxy or some other method to repair threads for swimming pool pump?

Jandy swimming pool pump's plastic backplate comes with what appears to be two metal threads to attach diffuser. In my case threads rusted and diffuser came loose. Instead of buying a new backplate I ...
user2138912's user avatar
3 votes
3 answers
2k views

Do carriage bolts hold their position in soft wood?

I have a question about carriage bolts, and when they are appropriate to use, instead of more traditional hex head bolts. If I understand correctly, their main advantage is that they can be tightened ...
Will I Am's user avatar
  • 172
0 votes
0 answers
108 views

What size nut for a B7 1-1/8" threaded rod?

I have a threaded Rod B7 Alloy Steel 1-1/8-7. What size nut will fit this? I got some nuts size being 1-1/8"-7 but they don't fit.
Carbongixxer's user avatar
5 votes
6 answers
333 views

Elegant way to jack two materials apart, applying spreading pressure to pin them in place?

I have a tall cabinet acting as a room divider. Since it's not against a wall, it could fall. Screwing into the floor or the wall is not feasible, but the top of the cabinet is 5 inches from a ...
zx81's user avatar
  • 215
3 votes
4 answers
974 views

Fixing sheet material together

I have two pieces of sheet material that I want to fix together, one is reinforced cardboard and the other is a flat piece of metal that's part of a clasp. I'm looking for a fixing that would function ...
Jojo's user avatar
  • 177
0 votes
2 answers
146 views

Metric bolt specification

I am working on a project that requires: 3pcs M5x30-50 bolts and nuts I assume the M5-30 is the size and length. What is the 50 specify?
Tony Giaccone's user avatar
1 vote
3 answers
1k views

How can I mount a winch to a steel pole?

In order to raise -- and tighten -- a volleyball net every evening, we've attached a winch to one of the poles. The attachment is by two bolts going into the existing threaded holes in the pole. It ...
Mikhail T.'s user avatar
3 votes
6 answers
2k views

How do I remove this wall anchor stuck in concrete wall?

Bought a TV recently. Tried to mount it onto our concrete block wall. Drilled. Hammered the M8 wall anchor bolt (with the nut on) too hard and it morphed the bolt. Struggled to unscrew the nut, ended ...
domo91's user avatar
  • 31
0 votes
1 answer
221 views

Broken 5/16 x 2 1/2 lag screw in beam

I was trying to hang a weight storage unit in my garage and the lag screw snapped, leaving 1/8 of an inch of the screw exposed from the wall. I'm not sure if I should use an extractor tool or another ...
Rob K's user avatar
  • 11
0 votes
0 answers
381 views

Stringer - Running 2x4s on top of the dry wall connected to the wall studs behind

I need to mount two vertical strips (blue color in the picture below ) which will hold shelves that can support roughly 400lbs of weight in total. I want to mount this in the center position of the ...
Tuxdude's user avatar
  • 101
0 votes
2 answers
228 views

Picnic bench unstable

My old picnic is unstable, especially when people are sitting on it. I think it moves because the holes that the carriage bolts go through have expanded so there is some wiggle room for the bolts (...
Craig's user avatar
  • 245
3 votes
7 answers
3k views

Connect 3/8-16 bolts at 90 degrees

I'm finding that I am needing to connect two standard 3/8-16 (coarse) bolts at a 90 degree angle for mounting, like an elbow fitting would do. I need to be able to thread them in individually, because ...
Ethan Icewinging Seattle's user avatar

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