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Questions tagged [screws]

Questions relating to threaded fasteners and their use.

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2answers
41 views

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 ...
1
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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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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 ...
0
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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 ...
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 ...
5
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7answers
24k views

Do I run screws through the “tops” or through the “bottoms” of the corrugated steel in roofing?

Suppose I want to cover a roof with corrugated steel sheets. Imagine a sheet laying on the roof. It will have "tops" - zones that are further from the roof surface and "bottoms" - zones that are ...
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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
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 ...
1
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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 ...
1
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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 ...
14
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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 ...
4
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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?
1
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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 ...
0
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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 ...
5
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7answers
12k views

Why can't I drive this Tapcon into concrete?

I'm trying to drive a 2 1/2" long 3/16" diameter tapcon into a 50 year-old concrete slab/subfloor to attach a new toilet flange. The instructions on the case of Tapcons said to drill a hole in the ...
0
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1answer
39 views

Can 3/8" Titen Heavy Duty Screw Anchor or hole be reused?

So we drilled into concrete to bolt down steel bases with several Titen 3/8" x 3" Titen heavy duty Screw Anchor. I'll be replacing the base, so I will need to remove the screw, remove the base, and ...
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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 ...
6
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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 ...
0
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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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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 ...
1
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1answer
28k views

Installing a ceiling light with screw holes that don't match the ceiling bracket

I want to install an IKEA Calypso ceiling light. The screw holes in my ceiling measure 7 cm across. The screw holes on the light differ - they measure 9 cm across. How would I screw in the light if ...
3
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5answers
6k views

How to remove a screw inserted from the wrong side in an IKEA ALEX drawer unit?

We just bought an IKEA Alex 9 drawer unit. I assembled most of it without difficulty, except for step step 25 from the assembly instructions. I wasn't paying enough attention, and screwed the screw in ...
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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?
2
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3answers
296 views

Cutting a thread deeper in metal.

I am trying to put together a TV Stand with 3 legs- 2 of which are supported via 18 inch metal rods within plastic tubes, screwed into the base. The depth of the hole in one of these is too shallow ...
0
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1answer
49 views

Uneven poles for fence with wood railing?

What can I do if the steel poles used for a fence are uneven? They're all supposed to be the same height, but for some reason, they're uneven (ie. surface is uneven, the welder din't measure correctly,...
0
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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 ...
1
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1answer
297 views

Hanging faux wood blinds- screw broken. Is there a tough screw I can use for a wall stud?

Job= I was trying to hang up some new faux wood 2" slat blinds. It's a double sized window, so I bought 2 blinds. I needed to install 4 brackets, with 2 in the center. I predrilled the holes as the ...
21
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6answers
18k views

What benefit do plasterboard/drywall screws have?

I have some plasterboard screws like this: However, without a drill I have a job getting them into the wall. Am I safe to use normal screws on hangings that aren't going to be taking a great deal of ...
0
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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 ...
4
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5answers
4k views

Rebuilding an exterior deck is it better to use screws or nails?

I have a deck that is old and falling apart so it is time to replace it. To replace the deck boards I plan to remove existing, measure boards, cut new board and put the same size and board back into ...
1
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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 ...
0
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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 ...
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 ...
0
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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 ...
6
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3answers
113k views

How do I remove these screws from an IKEA Micke table?

I have assembled a Table Micke for the 1st time ... but I have some screws I want to remove. or didn't fit well (shld have tighten all screws more), 110126, 103430, 110630 the look like below they ...
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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 ...
13
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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 ...
0
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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 ...
7
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4answers
6k views

Why should I use advanced nails instead of wood screws for strength?

Recently I found that there're some superior nails for constructing hurricane-resistant houses - with very clever design for preventing pulling the nails out and tearing the boards off when 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 ...
0
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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 ...
0
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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 ...
0
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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 ...