Questions tagged [bolts]

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votes
2answers
2k 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
1answer
7k views

What should I do if one of the screws for a TV mount breaks?

My wife & I spent a fair amount of time setting up a VideoSecu heavy articulating wall mount in a position & height that we liked. Problem is, the top-left lag screw (5/16" thick, 3" long) ...
3
votes
2answers
4k views

How can I secure a wall-mount server rack?

I would like to install a 2-Post 12U wall-mounted server rack in my utility closet. The rack will hold up to 200lbs. However, my equipment will be just under 180lbs. Most of the weight will be at the ...
3
votes
3answers
4k views

How can I put a knob on a threaded rod?

I need to create a "thumb screw" or "hand wheel" out of a 1/2-20 UNF threaded rod to serve as fine linear adjustment screw for a heavy load. (I can't find ready-made knobs with this thread, nor thumb ...
2
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7answers
21k 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 ...
2
votes
2answers
13k views

How can I securely fasten a carriage bolt?

I recently made a bracket for mounting a TV onto a custom pipe mount that I built. I was advised at my local hardware store to use a carriage bolt here for the following reasons: These counter-...
2
votes
2answers
816 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 ...
2
votes
2answers
2k views

Fixing a bent bolt?

I'm subletting an apartment for the fall, and the only table is broken: a bolt for attaching one of the legs to the tabletop is bent. See the attached photo. How should I repair it?
2
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1answer
255 views

Are all toilet bolts installed from under the floor?

My mom has an older toilet. When is became loose, in order to tighten the bolts she had to hire someone to go under the house. We just got a new toilet. I was hoping to install it as a d.i.y project....
2
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7answers
17k 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 ...
2
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2answers
73 views

Shorten bolt with a sleeve of some sort?

I have a reverse osmosis kit, and the faucet has a really long bolt which you use to attach it to your countertop. I can't get a tool up there to tighten it because the sink basin is in the way. I ...
2
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1answer
1k views

What type of bolt has a shoulder portion above and unthreaded region below threads?

I have a couple Rex folding lounge chairs: However, during my move one of the bolts connecting the base to the side came loose and was lost. I took out the one from the other side and I've never seen ...
2
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4answers
1k views

How can I hold a nut underneath a deck with no clearance while screwing a bolt into it?

I have an existing deck with composite wood planks. My kids bought me a gazebo for my grill that I would like to bolt to the deck. Is there a tool I can use to hold the nut and washer in place under ...
2
votes
1answer
572 views

Why might a weld be weaker than a bolt? [closed]

I've heard that bolts should be used for connections that must be secure, rather than welds. To me this seems odd; I was under the impression that the whole idea of a weld was to make the two pieces ...
2
votes
1answer
208 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.
2
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2answers
144 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 ...
2
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1answer
90 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 ...
2
votes
1answer
1k views

Can I use screws for attaching a ladder to a bunk bed?

My wife and I have built bunk beds and the final step is attaching the ladder. The ladder is constructed out of 2x4s will be attached to the 2x6 rails of the bed. (The ladder rails are oriented "...
2
votes
1answer
1k 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 ...
2
votes
3answers
851 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 ...
2
votes
1answer
1k views

screws, bolts or nails for ground level deck framing

Following up framing for ground level deck I'm putting 2x8 for framing of the ground-level deck, it is a floating deck, i.e. not attached to the house. So, 2x8 joists will be sitting around perimeter ...
2
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3answers
1k 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. ...
2
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2answers
1k views

How do I replace bolts for my toilet that were concreted into the original flange?

This is a pic of one of the bolts. But I don't see a channel for it to turn/slip out of. The toilet I bought needs longer bolts.
2
votes
1answer
3k views

Attaching sill plate to concrete, how do I attach framed wall to sill plate?

I am building a 12x12 shed on a concrete slab. I am going to bury j-bolts in the wet concrete so that I can attach the treated sill plate to it. The problem I'm running into is that the nut will be ...
2
votes
3answers
2k views

Washer / spacer for round surface

I would like to bolt a bracket to a steel pipe (1.5 inch diameter), with the nut located inside the pipe. Since the application needs to support a considerable amount of weight, I need some kind of ...
2
votes
2answers
529 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 ...
2
votes
3answers
340 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
1answer
2k views

Can I reuse anchor bolt sleeves?

A bracket for mounting a TV was attached to my brick fireplace by the previous home owner. All that remains now are four little metal tubes, which I think are leftover parts of some kind of anchor ...
2
votes
2answers
5k views

How can I attach a Pergola/lean-to to a pebble dash wall?

I am planning to install a Pergola/Lean-to to the back of my house, to use as a sheltered patio. I have been watching numerous videos and have picked up some fabulous information, however, I'm a ...
2
votes
1answer
2k views

How do I safely install a pole/mast on our roof?

We are installing a pole/mast for wireless communication equipment on the roof of our commercial building. The pole will need to rise 2m above the roofline. Obviously we want the pole to be as ...
2
votes
0answers
131 views

Need help identifying 75mm threaded sash window bolt

I recently moved into a new flat with period wooden sash windows. Obviously they are not the most secure and any additional security we can add would be great. One of the sets of windows had 1 of ...
1
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3answers
148 views

How much weight is safe to hang from a 1/2 inch thick maple board mounted to the wall?

I have a wall mounted metal barbell holder that holds up to three barbells. The holder has pre-drilled holes 10 inches apart (two on each end). To mount this to a wall, I will have to attach a ...
1
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6answers
3k views

How do I remove plastic shelving molly clips?

I have some closet shelving clips I need to remove to paint a wall. The problem is that they are molly bolts. These are the exact clips/mollys. The question is similar to this one, but in my case, I ...
1
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2answers
956 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
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5answers
5k 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 ...
1
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6answers
13k views

How can I use toggle bolts with limited depth behind them?

I have a predicament, I am putting up a shelf into the wall. The wall is plaster, and then hollow and then concrete. I have screws with toggle bolts on them. The 2 inch screw with the toggle bolt ...
1
vote
3answers
309 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 ...
1
vote
2answers
184 views

Is there a term for this bolt attachment mechanism?

We're installing Ikea cabinets in our kitchen. The wall cabinets attach to a rail using a bolt-and-bolt-attachment-thingy that slides onto the rail, and the cabinets are then fastened to the bolts. ...
1
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3answers
3k views

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

How does one fasten a rotating joint that does not self-tighten or self-loosen? I'm trying to make a "slider crank" mechanism (for cheap) where all the movement is parallel to the ground. ...
1
vote
2answers
95 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 ...
1
vote
2answers
911 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
4k views

Which nut/washer combination to join timber to timber (joist to rafter)

I am fitting some new joists in my roof and will be bolting the new joists to the existing rafters. Both joists and rafters are 47mm thick. After some advice from a friend (which may of course be ...
1
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3answers
636 views

Installing hook on strange wall

I need to install some hooks on my wall, which I plan to use to perform elastic band exercises. Hence, I need to install these very well so that they will handle the stress properly. Situation is I ...
1
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1answer
92 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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1answer
100 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 ...
1
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1answer
218 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,...
1
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3answers
421 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 ...
1
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2answers
3k 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
1answer
929 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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1answer
35 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. ...