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Questions tagged [bolts]

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0 votes
5 answers
2k 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 ...
2 votes
4 answers
4k views

How can I get my lawnmower bolt off?

I have a Ryobi electric lawnmower, and I want to get the blade sharpened for the first time. I have a 15mm ratchet wrench, just like the instructions say, and I'm immobilizing the blade with a brick. ...
1 vote
1 answer
917 views

How to use already existing bolts width to hang a floating shelf that has holes of different spacing?

There are two bolts in our concrete wall that we cannot remove. Is there some device that can hang on these bolts to either pseudo-extend the width (the space between the bolts) or lessen it? Does ...
0 votes
0 answers
27 views

Knobs but the fasteners are not with them. What are fasteners? Came w/tiny screws [duplicate]

I know these baby screws cannot go through a dresser. What are they even for? And what is a fasteber? New to this.thr[![screwtop
1 vote
1 answer
96 views

How to install a flush anchor bolt

I'm trying to hang a pull up bar, which came with these bolts that I've never seen before. I tried googling, but the best I could find is that they are called "flush anchor bolts" without ...
1 vote
4 answers
5k 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 ...
0 votes
1 answer
87 views

Im trying to remove a screw holding a part from a fanimation fan and it remains stuck no matter what. Any suggestions?

I'm trying to replace some parts of a fanimation fan and inside of it there's a piece with wires inside that can't be removed unless I remove the glass cover. There are 3 screws in which I removed two ...
16 votes
4 answers
7k 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?
0 votes
2 answers
212 views

Do Furniture Connector Bolts have same thread size e.g do all M6 bolts have same thread size?

I bought M5 bolts with barrel nut a year ago. Then I bought new M5 bolts a few days ago to replace the old ones. The new bolts do not seem to enter the barrel nuts. Upon closer inspection it seems ...
0 votes
5 answers
2k views

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.
0 votes
1 answer
123 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.) ...
1 vote
1 answer
74 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 ...
2 votes
3 answers
5k 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 ...
1 vote
4 answers
132 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 ...
0 votes
1 answer
78 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.
8 votes
7 answers
11k 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 ...
3 votes
1 answer
569 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 ...
2 votes
1 answer
23k 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 ...
4 votes
1 answer
740 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 ...
1 vote
1 answer
94 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 ...
0 votes
2 answers
30 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 ...
0 votes
2 answers
188 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 ...
0 votes
3 answers
107 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 ...
8 votes
7 answers
5k 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 ...
7 votes
1 answer
2k 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 ...
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 ...
1 vote
2 answers
241 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.
2 votes
2 answers
5k 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 ...
0 votes
3 answers
242 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 ...
2 votes
0 answers
149 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 ...
7 votes
5 answers
4k 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
2 answers
461 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,...
5 votes
2 answers
316 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 ...
20 votes
15 answers
8k 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 ...
2 votes
2 answers
197 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 ...
1 vote
4 answers
9k 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 ...
3 votes
1 answer
2k views

Is there a standard hole diameter for corner braces?

I'm planning a project that requires corner braces, and I want to figure out what size bolts I can put through them. Unfortunately, at least on the Home Depot website, the corner brace product ...
5 votes
6 answers
35k 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 ...
2 votes
3 answers
641 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. ...
0 votes
1 answer
98 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 ...
2 votes
1 answer
627 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 ...
0 votes
2 answers
273 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 ...
3 votes
4 answers
2k views

How can I attach structure via oval holes in panel struts in a panel van?

I am trying to build storage for a panel van. My problem is how to make use of pre-existing holes for attaching bolts to. The loading space in the van has vertical structural beams which have holes ...
0 votes
2 answers
96 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 ...
1 vote
2 answers
3k 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 ...
0 votes
5 answers
2k 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 ...
0 votes
0 answers
98 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 ...
0 votes
1 answer
206 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 ...
1 vote
2 answers
125 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 ...
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 ...

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