Questions tagged [screws]

Questions relating to threaded fasteners and their use.

Filter by
Sorted by
Tagged with
25 votes
6 answers
24k 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 ...
Jivings's user avatar
  • 353
32 votes
8 answers
157k views

How do I rehang a wooden door with worn screw holes?

I have a wood door in one of my rooms where the top screws no longer hold the hinge to the wall because the screw holes have worn loose. I have tried slightly larger screws and filling with wood ...
user avatar
86 votes
13 answers
97k views

How to remove screws with stripped heads?

I have wood screws whose heads are stripped from trying to remove them with a drill. The drill (or screwdrivers) can't grip the heads anymore. What can i use to remove these screws easily?
LordHits's user avatar
  • 1,015
37 votes
12 answers
311k views

How much weight can screws in drywall hold?

I've always had the question of how much weight can a single screw into a drywall withstand? For instance, I would like to do things like this: It's hung with 5 screws. The whole thing weighs ...
Gastón's user avatar
  • 473
10 votes
11 answers
50k 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 ...
iLikeDirt's user avatar
  • 12.6k
31 votes
12 answers
841k views

How can I remove a really stuck screw?

I often come across screws that just won't budge with a manual screwdriver or even a driver bit in a drill. They are of different screw types and heads in a variety of different materials. What are ...
Tester101's user avatar
  • 131k
26 votes
2 answers
108k views

What do the numbers in screw sizes M3, M4 etc. mean?

I noticed that in some (many?) countries, screw sizes are listed as "M+number", e.g. M3, M4, M5 and so on. What does this size designation mean?
einpoklum's user avatar
  • 2,757
8 votes
4 answers
14k views

Can I wall-mount a TV when there is an air gap between the drywall and the wooden stud?

I'm mounting a 38lb TV (with a ~10lb mounting bracket). I located a stud, but the drywall floats an inch above it, plus the drywall itself is another 1/2 inch. So a couple 3-inch screws (and not a ...
jrocknyc's user avatar
5 votes
4 answers
74k views

Is framing with screws legal?

A friend used trim head screws for ALL of the 2x4 framing (including the outer walls) of his 2400 sq. ft. house. The house uses 8x8s to carry the load; none of the 2x4 framing is load bearing. The ...
Ben Welborn's user avatar
  • 6,192
82 votes
12 answers
69k views

Is there a case where nails are better than screws, from an engineering/structural standpoint?

Is there a case where nails are better than screws, from a structural standpoint? For instance: Say you used screws instead of nails on a backyard deck, when the design specifically called for nails. ...
Chris W. Rea's user avatar
  • 1,495
21 votes
7 answers
136k views

How to unscrew screws that are barely accessible?

I need to remove the face of a fake drawer that is screwed from behind. Unfortunately, a kitchen sink is preventing me from using a screwdriver. There is approximatively 4cm of space. The screw head ...
alecail's user avatar
  • 3,166
4 votes
2 answers
9k views

Tapcon weight holding capability

I have little experience with concrete screws and don't know their weight-bearing capacity. Would four (4) 5/16"-diameter ("heavy duty") tapcon anchors, each 3" in length, screwed ...
mr blint's user avatar
  • 1,788
4 votes
8 answers
60k views

How to fix an electrical outlet where the threaded mounting hole is stripped?

The threaded mounting hole in my metal (based on OPs comment) electrical outlet is stripped; please refer to where the top flat-head screw is in the photo. As a result, the electrical outlet is not ...
wsw's user avatar
  • 408
3 votes
1 answer
10k views

What type of screws and anchors are used for concrete?

I have cinder block walls along one side of the garage and hang a lot of 'tool storage' hangers and such. Often what I buy comes with screws and anchors so I use that but I have some hangers I just ...
atconway's user avatar
  • 387
0 votes
1 answer
10k views

Removing broken screw from electrical box

How can I remove a broken screw from an electrical box? I have added a picture below. I was attempting to replace the outdoor outlet, as I described in this question. I was using a brand new screw ...
Ryan Gates's user avatar
0 votes
1 answer
327 views

Which nut and bolt to attach wood to metal?

I need to attach a "plank of wood" to a metal bar, shown as the two bolts C in the figure below. This problem arises while designing a proper way for hanging a chin-up bar. Notice in ...
Sam7919's user avatar
  • 713
23 votes
2 answers
7k views

Will removing shelving screws from studs damage the studs?

We live in a newly built home. My husband hung some Ikea shoe bins on the wall and mounted them in to the studs. I am going to paint the hallway and would like to remove the bins and hooks, patch the ...
Lauren's user avatar
  • 231
20 votes
11 answers
23k views

How to remove very stuck stripped screws?

These things are caught in hard wood. I made the dumb mistake of not drilling pilot holes. Rubber band trick failed Screw drill and removal bit failed JB welding a bolt worked for 2/5. Trying again, ...
SwimBikeRun's user avatar
17 votes
14 answers
123k views

What is the best technique for using a drill to insert screws?

It looks so easy on the DIY programs, but I battle to insert screws using my drill. The screwdriver bit keeps slipping out, and it damages the screw head. Is there a neat trick for this? Should I ...
rbrayb's user avatar
  • 397
12 votes
3 answers
21k views

What are the implications of driving a drywall screw too far into the sheet?

I'm not gonna lie. The early stages of my very first home improvement project completely smacks of novice DIY'er. I did so many things wrong that I've since learned from, but the first mistakes are ...
oscilatingcretin's user avatar
10 votes
4 answers
25k views

I modified a nail-in electrical box to use screws instead of nails. Is there some code that prevents that?

Ever since I dove into the electrical side of things with my project, I've encountered a bunch of code restrictions. One thing that wouldn't surprise me if it was a violation of code is what I've ...
oscilatingcretin's user avatar
9 votes
3 answers
50k views

How can I choose the best lag screw / lag bolt?

I will be fastening Unistrut vertically along studs to facilitate garage storage, and want some guidance on choosing the "best" lag bolts to use. I want them large enough to handle hundreds of pounds ...
Billy left SE for Codidact's user avatar
9 votes
8 answers
80k views

Why does my drill bit destroy the screw head?

I have a craftsman drill which I use for drilling. When I use a screwdriver head to fix screws in drywall or wood, it keeps on destroying the head of the screw. So much so that the screw head is ...
abhi's user avatar
  • 233
9 votes
3 answers
6k views

How can I fasten a low-voltage plate to drywall?

I do not have much experience with home improvement related things. I moved into my first apartment and I saw that the internet coaxial cable was pushed inside the outlet. I loosened the screws and ...
LameDuck31's user avatar
8 votes
3 answers
239k 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 ...
Jiew Meng's user avatar
  • 181
7 votes
3 answers
38k views

How do I repair screw holes in a brick wall?

I have screw holes which were put in to support a curtain rail. The curtain's been pulled out a few times by accident, and now the screw holes are crumbling and I don't know how to repair that portion ...
Steve Cooper's user avatar
7 votes
4 answers
7k 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 ...
sharptooth's user avatar
  • 9,597
6 votes
2 answers
4k views

How to remove rivets?

I have to remove these rivets (see pics). What tool can I use for that?
Adriano's user avatar
  • 221
6 votes
2 answers
19k views

How do I use precision screwdrivers?

I am talking about those small and narrow screwdrivers with a thin handle. I can't get a tight enough grip on the handle to generate enough torque to remove a small screw. Do I have to use something ...
Johny's user avatar
  • 63
4 votes
6 answers
5k views

Wood glue to reinforce screw holes in an oak frame?

This is for load-bearing bronze screws in an oak frame, carrying a heavy oak door. Four of the screws were removed momentarily for maintenance work. Two of the screw holes may have been stripped ...
Trend2019's user avatar
4 votes
2 answers
33k views

How do I ensure my wood screws have a minimum of 120 lbs pull out or shear strength?

Some assembly instructions for a project I am doing requires that I use fasteners (screws) with a minimum of 120 lbs pull out or shear strength. What I plan to use is #8 2 1/2" coarse thread wood ...
oscilatingcretin's user avatar
4 votes
8 answers
2k views

How can I remove stripped screws in a bathroom exhaust fan motor bracket?

My bathroom fan suddenly stopped working and planning to replace current one with this one from Amazon but I am having hard time unscrewing the existing one. Here is the picture of current fan, ...
javanoob's user avatar
  • 201
4 votes
4 answers
14k views

fixing stripped screw in soft-wood door frame? [duplicate]

Possible Duplicate: How do I rehang a wooden door with worn screw holes? As you can see in the below image, the upper screw holding in the lock plate (name?) has stripped completely out of the ...
Drew's user avatar
  • 884
3 votes
1 answer
6k views

Are Construction Screws equivalent to a framing nails?

I am not asking for opinions or what is better than the other. I am looking for literature with data that shows the specifications and guidance on how to compare them with each other on a performance ...
Turtle Turtle's user avatar
3 votes
1 answer
12k views

How can I fasten a threshold to concrete?

BACKGROUND A threshold was purchased from HomeDepot: The item comes with screws and needs to be fixed into concrete slab. I would like to understand how to properly screw the threshold into the ...
gatorback's user avatar
  • 3,066
3 votes
4 answers
126k views

How to drill a hole in the wood without an electric drill?

During a travel in Laos, I need to drill some holes into a double-door's wood to install a locker. The wood is rather hard, and I don't have an electric drill (and can't find it). I only have 2 small ...
smonff's user avatar
  • 133
3 votes
3 answers
10k views

How do I remove calcification from a screw head?

I have two screws holding on the metal disc covering the shower drain. Neither appears to be stripped. I would like to remove these screws to clean out the drain. The problem is that the ...
dangowans's user avatar
  • 383
3 votes
4 answers
2k views

Why do screw thread diameters vary from their nominal values?

I'm trying to identify several screws. Guides online are fairly straightforward - measure the diameter of the thread part, and pitch if possible. However, none of my screw measurements make any sense. ...
Aloha's user avatar
  • 151
3 votes
2 answers
9k views

Lag bolt vs structural screw (and length) for TV mount

I'm attaching a TV mount (1/8" thick slotted plate) to a wall that is 1" soft wood (redwood?) paneling over what I suspect are 3.5" redwood studs. The studs seem to be square. The mount takes five ...
LoftyGoals's user avatar
2 votes
2 answers
385 views

Name of this shelf support screw with plastic head

This shelf support is a screw with a semi-circular plastic head. Does it have a name? A name that can be used on Google to find this thing. Or the name given by those who produce it. Additional info: ...
Fructibus's user avatar
  • 127
2 votes
3 answers
5k views

How do I keep the door jamb moulding from pulling away from the wall when hardware is screwed in?

Total novice here. My wife wants one of those security door guards (a hinged arm that swings open to a point) on the door. I had bought the hardware, but put it off when the provided screws turned out ...
Sean Duggan's user avatar
1 vote
1 answer
2k views

What can I use to back a door jamb strike plate with no framing behind?

So I'm trying to replace the original entrance handleset door lock from my almost 100 year old house and after removing the old lock and patching up the holes. I looked inside the door jamb and ...
miscellaneous's user avatar
1 vote
5 answers
2k views

Is there a method to transpose specific pilot holes?

Bathroom drywall with wood beam behind it. In a very specific location, created 2 pilot holes (through the drywall into the beam). Want to attach a wood plank, exactly into those 2 pilot holes. ...
P.S.'s user avatar
  • 225
1 vote
2 answers
4k views

Remove Fastener Nut for Kitchen Faucet (Rusted?)

Trying to remove my Kitchen Faucet. It's around 10 years old. The last set is to remove the Nut that holds a brass plate to fasten the faucet to the kitchen counter. The problem is, i think the nut ...
Outdated Computer Tech's user avatar
1 vote
7 answers
42k views

What kind of drill bit would I use to grind down the end of a protruding screw?

Let's say I have a 1"-thick piece of wood. A 1 1/4" screw is driven through the wood, resulting in 1/4" of the screw protruding out the other side. What type of drill bit would I use to grind that ...
oscilatingcretin's user avatar
0 votes
2 answers
92 views

How can I fix range hood mounting holes in an MDF cabinet?

Had an installer come out a few weeks ago to do a range hood. He messed up some of the mounts for underneath the cabinet and many of the holes are stripped now. I need to take it down to adjust it but ...
Should have done it myself's user avatar
0 votes
5 answers
1k 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 ...
Jez's user avatar
  • 197
0 votes
1 answer
813 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 ...
whitewings's user avatar
0 votes
3 answers
3k views

How to fix a wooden screw hole that is stripped?

I have an Ikea chest of drawers with metal rollers that allow me to slide the drawers in and out. One of the drawer’s metal roller screws has popped off due the weight of the contents of a shelf and ...
Keith's user avatar
  • 209
0 votes
3 answers
38k views

What size is this wallplug, and then what drill size (and type) would I use for brick?

I'm trying to hang a hose "butler" from Home Depot (Model CHH200HB). It comes with three wallplugs and screws, so should be simple, but there is no sign of what size the plugs or screws are, nor which ...
tkp's user avatar
  • 359