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Questions tagged [screws]

Questions relating to threaded fasteners and their use.

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2answers
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Screw Sizes for Electrical Connection box lids

Am having to install covers to several different types of electrical connections boxes in my house. Some are round, blue ones and some are a grayish tan with corners rounded. None of them have cover ...
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1answer
37 views

Door Jamb Rotted Where Latch Goes

I just installed a lock in my door and when attempting to install the latch I found that the wood was splintering and not stable, so I cut it out. My problem is similar to this one. What can be ...
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2answers
27 views

Solving subfloor squeaks

I am planning to remove carpet in a living room and dining room area of my house and replace it with floating laminate flooring. There are some spots in my current floor that squeak so I was planning ...
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1answer
55 views

Screws breaking through drywall paper

One of the several scenarios in which a screw doesn't form a nice and tight seal on drywall paper just below the surface is if a joist/stud is not in the same level as the adjacent two and there is a ...
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2answers
59 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
48 views

I’m trying to replace my doorknobs

Help! I am trying to replace my lock with a new lock that I bought at bunnings and I’m here with my screwdriver but look at this what kind of screwdriver do I need for this! What is this. I’m very ...
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4answers
102 views

Installing pull-up bars. Will this design hold?

I am installing a series of pull-up bars all the way down my hallway, kind of like really spaced out monkey bars, and would like some advice on my proposed design, b/c I have zero experience with ...
1
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2answers
55 views

Broken screw head door hinge

My door is missing the strike plate and its keep opening up when there is a slight draft. So if I align the door it goes into the strike plate without any issues. I believe its a loose screw. So, I ...
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2answers
71 views

What type of unbrako screw is this?

I need some spare screws like the one in the picture, but I have no idea what it’s called. Any help is greatly appreciated!
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1answer
33 views

Dealing with squeaking screws in chipboard flooring?

I've had a problem with squeaking floor since moving in, and after pulling up the carpet and taking a look I've discovered it's down to the screws which have been put into the chip board flooring ...
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2answers
929 views

How do I better secure a loose lag shield in concrete?

I have a concrete hole that was drilled a little bit bigger and the lag shield anchor is a bit loose. How do you tighten it? Insert paper or wood?
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0answers
36 views

How many sizes larger do I need to go to fix a cross threaded screw?

Generally, how much bigger should a new screw be so that it doesn't interfere with the crossed threads that have already been made but sits as if it had been tapped freshly? People generally seem to ...
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1answer
51 views

What is this type of fixing? (similar to cam/dowel)

I know this is similar to cam or dowel type fixings, and I have searched extensively for this part, but does anyone know exactly what type this is? Specifically the silver section, as I have enough of ...
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10answers
6k views

How to fit a screw into a drilled big hole on wall?

I am fitting a window blind on a wall. The wall is made of plaster board as far as I have known. I have drilled a hole on wall bigger than the screw size. The drilled hole on the wall has a diameter ...
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0answers
55 views

What is this part called?

I'm not sure this is the right place to be asking this but I'll give it a try. I have this bit of hardware from a pair of helping hands that I'd like to find more of. I'd describe it as a rod fastener ...
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3answers
240 views

What is this small triangle on this screw head?

This doesn't really relate to a problem I have (the screws work just fine), it's more of a curiosity question. Some of the screws I've used recently have a small triangle on their head, as if for ...
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0answers
42 views

Deck screw vs construction screw strength

I had sort of a follow up question that wasn't addressed here: Difference wood and deck screws Generally, does an exterior grade deck screw have the same strength as a construction screw?
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1answer
42 views

How far can you safely drill into 100mm thick brick for expansion plugs

I'm mounting a rafter support for a lean-to at the side of my house (45mm x 120mm wood beam). I know that the bricks are 100mm thick, so I'm wondering what length of expansion plugs (rawl plugs) I can ...
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0answers
14 views

Can I use a threaded insert on my screened porch so that i can assemble, take down, and reassemble plastic sheeting year after year?

I have made some heavy plastic panels to install over my screened porch during winter. Can I use inserts to attach and un attach these panels year after year?
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2answers
926 views

What kind of screw is this and how do I open it? [closed]

These are screws all over my pc casing. I would like to open them but I dont know how, sorry for the bad quality picture, but I cant take a better one. How do I open them? EDIT: As people have ...
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1answer
28 views

Using chipboard screws and plugs in a dot & dab wall

I have a dot & dab wall and am installing a radiator onto it. I had a rummage around and found a "chipboard screws and plug" set. Using the included wall plugs, would these be suitable for ...
3
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4answers
132 views

What's the best way to remove a rusty, broken screw from a tiled bathroom wall?

The previous inhabitant of our apartment used screws which aren't rust-free in the shower. Now the screw holding our shower head rail broke off - or rather, just "came off" without any resistance. ...
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3answers
72 views

What type of tool do I need for this screw with a pin in the slot?

What type of tool do I need for this screw holding my license plate?
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4answers
52 views

What screws to affix TV mount to wooden stud partition?

A 70" TV weighing 35kg is being mounted on stud partition wall using a fixed position TV mount which is 600mm wide. It will hit two studs approximately 230mm apart in the centre of the TV mount. While ...
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2answers
54 views

Lag screws can't enter lag shields

A few years ago I got 2 dozens of these to secure roof base plate on top of concrete column.. but after we put in the lag shields.. we couldn't insert the main screws so we didn't add the extra screws ...
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2answers
99 views

Strongest holding screws ever

The hole diameter is 8mm or 0.31" how long should be the screws inside the concrete wall with tux? and what has more break resistance, stainless steel or GI (Galvanized Iron)? Original message: What ...
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1answer
180 views

Light Fixture Screws & Bracket Too Small for Fixture Box

I have a light fixture that came with a mounting bracket and some screws. When I went to screw the bracket into the ceiling fixture box, it looks like the box's holes are too big. Not only do the ...
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2answers
3k views

What's the term for a hole with a screw thread?

I'm replicating a drawer handle that fits on an M4 screw. If you'd look inside the plastic hole, you can see a gold-colored metal tube that has screw threads. That's what the screw screws into. My ...
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2answers
47 views

Should I use screws or nails to hang 19/32" thick t1-11 panels indoors? [closed]

I'm installing 19/32" thick T1-11 panels as interior walls against wood studs. I'm unsure whether it would be easier/better to use ring shank nails in a nail gun, or screws. Some of my concerns: The ...
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2answers
89 views

Do reverse-thread eye screws exist?

I know I can't ask shopping questions, but please bear with me. I don't want to purchase turnbuckles for my wire rope fence, so I want to use what someone here suggested: use a reverse-threaded screw ...
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1answer
23 views

Sizing for a flush countersunk screw

I'm fitting some old keyhole covers. I need two screws for each. The hole in the cover is about 3 mm and 4 mm at the top of the opening. I tried buying some 3×12 mm screws but the head is too wide. I ...
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2answers
199 views

How tight should a screw be screwed in? [closed]

Might sound as a simple question, but I am still confused. As a new learning DIYer, I want to know in more detail on which application how much a screw should be tighten. For example, if I want to ...
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1answer
38 views

When to use inox (stainless steel) screws in an anchor as opposed to using galvanized/normal screw?

Is it only when there is a possibility of humidity? Are inox screws better for withstanding some weights, are they tougher or just their water handling is better? I see there are different types of ...
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1answer
47 views

how can I attach screws perpendicularly to an aluminum sheet [closed]

I do not own a drill press nor a welding machine; I do own a simple drill however it is not poweful enough to penetrate through the aluminum. are there any special glue types for aluminum that can ...
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2answers
71 views

Would I use a reverse thread lag screw swage stud for tensioning cable?

I was watching several videos showing an installation of wire rope for a fence, and the lag screw swage stud on one end would be driven clockwise while the other goes in counterclockwise. That way it ...
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2answers
157 views

How to deal with Square Drive vs. Robertson Screws?

Although the terms "square drive" and "Robertson" are often treated as the same in catalogs, the difference (as I understand it) is that Robertson tools and screws have a slight taper to the square ...
2
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1answer
100 views

I have loose screws - how can I tell a drywall screw apart from a wood screw?

Say I have a bunch of screws. Say they are all flat (countersunk) head, phillips drive. They can be different shank/root diameter, with or without a smooth shank, different thread coarseness, color, ...
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1answer
40 views

Screw type for screwing MDF onto plaster/plasterboard

I have been tasked with building wood paneling for one of the bedrooms in our place. I will be using MDF sheets, screwed directly onto the wall. The existing wall is plasterboard and plaster (fair ...
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1answer
36 views

Is there any such thing as a rectangular tripod mount or something like that? [closed]

So I bought this 20€ foldable laptop table: But I work with at least 2 external HDDs at a time, so I needed to find a way of having them "attached" to the table, too. The best, cheapest, most elegant ...
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2answers
86 views

What kind of nut should I use when a screw is too short?

Trying to replace the handles on a chest of drawers and the 'new' handles are a touch to short for the thickness of the wood to get a normal nut on the end. Is there a Tee nut type thing that can ...
0
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1answer
67 views

Tightening wood posts in simpson ez bases?

I bought several of these Simpzon ez bases for our roof. Due to the climate here, I need to check and maintain the bases and the wood periodically. For this reason, I shaved of some of the wood so ...
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2answers
63 views

Metal screw stuck in middle of deep plastic (resin) hole

I was trying to tie something that has a deep hole (around 7 cm). I tried one screw that has stuck in the middle of the hole. I thought that the screw will come to the end but it didn't as its head is ...
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2answers
58 views

Plastic screw from a toilets flushing mechanism

What is the name of the red plactic screw in the picture? It's from a toilets flushing mechanism.
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2answers
116 views

Bolt, washer placed in wrong order of floor lamp

How to fix a floor lamp made in China which has a loose/wobbly base after much use. They placed the bolt first then washer/nut and it cannot be removed or tightened?
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1answer
68 views

Screw eyes that are screwed in counterclockwise?

Is there such a thing as a screw eye that can be screwed in counterclockwise? 99% of screws are tightened clockwise. This one would be the opposite. If this type of screw eye doesn't exist, is there ...
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3answers
71 views

How to remove heavily rusted hinge

This hinge has seized so needs replacing. But I can't even see the 4 Phillips screw head clearly, and a screw driver just slips so it's likely stripped. What's the best way of removing these screws? ...
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1answer
339 views

Need help installing the pull up bar i just bought

i am a rookie that hasnt done much installing/drilling etc. in my life (just turned 18 ;P). So i bought this pull up bar online, assembled it, but now i have to install it to my wall. At first i ...
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1answer
368 views

What screw length for screwing down stair treads into stringers?

My stairs are old and squeak and I would like to screw them down and plug the holes. My question is what length screw should I go with? They are about an inch thick. The stringers are old as it's ...
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1answer
104 views

Washer in front or behind cabinet panel mounted with lag screws?

I'm going to be mounting a network cabinet on some studs. I was advised to use lag screws. (Not really sure what these are but I assume they are for heavy things being secured to studs). Should I be ...
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4answers
3k views

Finding the right size of nut for a bolt

I have a bolt with a thread pitch of .8mm and a diameter of 3.3mm. I am trying to find the correct size of nut for it, however the ISO thread chart says that a .8mm thread is M5, but should have a ...