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Questions tagged [bolts]

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6
votes
5answers
34k views

What type of lag bolts should I use for a deck?

I am looking at galvanized lag bolts (for the ledger) and carriage bolts (for attaching the beam to the post) for a deck. I can't find "hot-dipped galvanized" bolts/lag screws only galvanized. Is ...
2
votes
1answer
1k 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 ...
3
votes
1answer
13k views

Plywood plate for mounting to wall

I would like to attach a projector arm to my drywall, but the mounting plate of the arm is a bit wider than a wall stud. http://www.amazon.com/Pyle-PRJWM8-Universal-Telescoping-Adjustment/dp/...
1
vote
3answers
453 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
vote
2answers
112 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 ...
1
vote
1answer
373 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 ...
0
votes
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 ...
1
vote
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 ...
1
vote
1answer
177 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 ...
4
votes
3answers
9k views

Are these toilet bolts installed properly?

I had my bathroom renovated and had a new toilet installed. I noticed the white caps on the toilet screws were not secure---- looked like the contractor tried to secure them with some sort of caulking....
3
votes
4answers
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 ...
1
vote
0answers
1k views

how to attach threaded rod to wall stud on hinge

How can I attach threaded rod to a wall stud so that it is on a hinge. The hinge axle will be horizontal so the rod can rotate up and down but not side to side. The one piece solution I have found ...
2
votes
1answer
876 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
votes
1answer
2k 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 ...
1
vote
5answers
8k 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 ...
2
votes
1answer
885 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 ...
6
votes
2answers
19k views

Which way should an internal star lock washer go?

I want to attach a rear basket to my bicycle and I don't know a thing about nuts/bolts. I got a plastic bag full of nuts, bolts, washers, and what I believe (according to what I could find on the ...
2
votes
1answer
191 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....
6
votes
4answers
43k views

How strong are bolts compared to welding and what qualities to look for in foundations?

I'm planning on building a home climbing wall, made from a mild steel subframe. It will probably be around 10 feet tall approx. I was thinking along the lines of using mild steel angle, cutting to ...
0
votes
0answers
309 views

How I can remove this Ingersoll window bolt?

I have a small window with security bolts which have become rusted and unusable. However, I can't see how to remove them without forcing them off and damaging the wood. Anyone seen these types before ...
0
votes
0answers
32 views

How to correct the inclination of an old chair

I have an old easy chair, which I'm thinking to polish and use it. The chair is made of teakwood and has nut and bolts at the joints. As it is decades old and was unused for a long time, the holes at ...
2
votes
4answers
975 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 ...
0
votes
3answers
1k 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/...
2
votes
2answers
2k views

What tool should I use to remove a screw from cramped spaces?

I don't tackle many DIY projects. But when I do, the most frustrating thing is knowing that I'm doing things inefficiently. I watch a YouTube video where the guy says it should take 5 minutes to ...
3
votes
4answers
15k views

Can I use bolts to attach a bed to the walls of my room?

I plan on mounting my bed to the walls of my room. You can say that it will look like a loft bed without the legs. To make it look like it really is floating, I won't be using angle brackets. Instead, ...
1
vote
2answers
174 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. ...
7
votes
3answers
5k views

How can I tell the handedness of a bolt?

I have a craftsman lawnmower (with a Honda engine) and I'm trying to remove the lawnmower blade to sharpen it. It seems really tight. I'm wondering if I'm turning the bolt the wrong direction. Does ...
2
votes
1answer
2k 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 ...
1
vote
0answers
125 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 ...
17
votes
5answers
13k views

How do I optimally cut a bolt to length?

Once in a while I need a bolt of exactly the right length and it is not one of the lengths available in stores. So I get a longer bolt and cut it to length. Here's the procedure I follow. I screw one ...
2
votes
1answer
12k 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
1answer
1k 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 ...
25
votes
1answer
2k views

What is this bolt in my basement floor?

In my concrete basement floor, there is a rather large bolt and washer. The washer is about 4 inches in diameter, and the bolt has a 1 inch head. What is it? All I can think of is that it's some ...
3
votes
1answer
4k views

Should I put some glue in the pre drilled hole before installing an eye screw?

Going to put in some eye screws under the deck for a swing. Should I add some glue in the predrill for extra durability? I've also read vaseline is good for easier installation, but that's ...
4
votes
2answers
2k views

Are there different thickness heads/nuts for hex bolts?

The hex bolts in my local home depot (specifically the size 3/8-16) all have the same thickness of the hex head. It looks to me to be about 3/16 of an inch thick. I need to recess a hex screw inside ...
2
votes
1answer
514 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
1k 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 ...