Questions tagged [screws]

Questions relating to threaded fasteners and their use.

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0
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2answers
98 views

I need to screw into my wall but halfway in, it hits something hard

I tried in different spots on the wall but same thing. Is the whole wall like that? I live in a concrete building but not soundproof. I am able to use screws on other walls.
2
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2answers
77 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 ...
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1answer
67 views

what is the opposite of a shoulder screw

A shoulder screw's unthreaded section has a bigger diameter than the threaded section. I'm looking for the "opposite" if you'll pardon the term. What is the name of the screw type where the ...
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1answer
97 views

What standard is this very coarse screw?

I was repairing Sony headphones when I saw some screws were missing. As all screws were the same, I took off a non missing screw to see what size and thread it was. I measured the outer diameter and ...
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3answers
103 views

Snapped off screw on sewer vent cover

The city recently told me I need a new cover for a sewer vent on the sidewalk. The cover looks like this: https://www.homedepot.com/p/NDS-4-88-in-x-4-88-in-Perforated-Sidewalk-Grate-BSB-CP-RTL/...
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2answers
45 views

What kind of screw for rawlplug uno?

I have this kind of anchors (plugs): rawlplug uno Despite googling hard, I couldn't understand what type of screws they should go with: wood screws? sheet metal screws? machine screws? coarse thread? ...
2
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1answer
52 views

How to fasten wet dog-ear pine pickets

I got some fence pickets for a small, outdoor project (a garden box, something like this). They are super wet (I literally get sprayed when cutting on a tablesaw!) and SUPER soft - with a little ...
2
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0answers
70 views

Do hinge screws become more tight-fitting over time once installed?

I've noted newly installed hinge screws can be replaced more easily if replacement is within days after fitting. If left for weeks or more, they become considerably harder to remove due to friction. ...
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1answer
49 views

Risk of overtorquing wood screws with T-handle screwdrivers?

The screws in question are 4.5 x 30mm A2 stainless steel hinge screws. As far as I can tell, they are good quality, branded (TIMco), double-countersunk, manufactured by thread rolling. Material is ...
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2answers
43 views

How to remove a rusty screw and cap from a toilet

The toilet seat has rusted away the screw holes that connects itself to the iron hinges, making the seat removable while the lid and the hinges stays connected to the toilet bowl. I want to remove the ...
1
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1answer
38 views

Using Different Screw in Drywall Anchors

I have custom mounting hardware for a floating shelf I'm looking to install. This hardware came with its own special screws, which are meant to be screwed into wooden studs and support the mounting ...
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8answers
3k views

Wood glue versus epoxy for doweling stripped screw holes

I've come across two schools of thought for gluing dowels in place. PVA wood glue, such as Titebond. Two-part epoxy, such as Araldite. Bearing in mind long-term stability, which is preferable for ...
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2answers
84 views

In which direction do I unscrew this utility sink faucet to replace the washers?

This utility sink has a slow drip from the end of the spout. This should be easily fixed by replacing the rubber washers in the levers, however the phillips screws, shown further below, seem very ...
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1answer
40 views

Galvanized steel hinge screws with stainless steel hinges: What is the risk of galvanic corrosion?

The screws in question are zinc-plated hardened steel screws (1 1/4 in) for use with heavy duty fire-rated stainless steel interior door hinges of unspecified grade. There is a theoretical risk of ...
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1answer
57 views

female thread repair: threaded inserts and hole-diameter required

I need to repair a stripped female thread in a piece of aluminum. Originally the thread was M7x1.0. I can enlarge the hole a little, but it's close to an edge, so not as much as might be needed. ...
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3answers
61 views

GFCI conversion trouble: receptacle not screwing into outlet support plate

I'm trying to convert old "razor only" receptacles to GFCI protected ones in bathrooms. Since the old outlets are large 2-gang 4" boxes, I had to get GFCI conversion kits (manufacturer's specs) with a ...
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3answers
89 views

Is it a problem if a bookcase isn’t fully touching the floor?

IKEA assemblers have screwed a large bookcase (180cm height x 160cm width x 40cm depth) into my wall where the top is 10mm from the wall and the base is 17mm from from wall, meaning the bookcase doesn’...
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3answers
93 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 ...
3
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3answers
3k views

rust-proof solution for attaching 2x4 to 4x4?

What screws can I use to securely attach a 2"x4" to a 4"x4" treated lumber? The solution would need to be rust-proof. I recently used a structure similar to the image below for a small fence, but ...
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5answers
114 views

Hanging things on metal studs

My house has metal studs (South Florida) and I cannot figure out how to easily get screws into the studs for hanging things such as curtains. I have tried the pilot hole approach with a titanium drill ...
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1answer
42 views

Screw Size for Bookcase

I have lost screws for a bookcase that looks like the IKEA Billy Bookcase? The hardware store and big box stores don't have anything like it and say the screw I have is foreign. I know it is 1.5" in ...
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0answers
41 views

How to find a right screw for a hole

I want to hang some stuff on my wall so here it comes to the part where I need to get screws/anchors. Saying I have a hole in a piece that I would like to attach(a picture attached), how can I ...
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6answers
3k views

What is the name of this Allen-head furniture fastener?

I have a couple of boards that are parts of a table I am assembling, and I wish to know the name of the metal piece of hardware circled in red, below. I would have thought it was called a bolt, but I ...
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2answers
104 views

Trying to remove a single handle shower faucet with stripped out set screw

I'm trying to remove a shower faucet handle, but the set screw seems to be stripped out. Honestly, it looks to me like there isn't much if any of the screw left for an extractor bit to grab hold of, ...
2
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1answer
68 views

Countersink for an M2 bolt

I need to make my bolts flush - they're M2 with nuts on the other side. The wood will have acrylic glued over the top so I need a flat surface. I'm confused about how to select an appropriate ...
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1answer
30 views

Plaster identification and screw recommendation

I need to fasten standard 15mm water pipes to a division wall in my house (built in UK in the 1970's). Some clips are already in place, but I need to add more (I am talking about clips like this: ...
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1answer
91 views

Hold a nut while unscrewing?

Im trying to take apart a metal desk, but Im stuck on one part. Theres one spot where the screw is visible, but the nut isn't accessible, so when I turn it, it just turns both. Ive tried moving other ...
4
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1answer
61 views

Attach wall “peg” with dowel screw

I'm building a cat climbing wall, and plan to have a series of large "pegs" as steps. My plan is to use 1-foot lengths of landscape timber (basically a 4" diameter log) and attach directly to the wall ...
20
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2answers
3k 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 ...
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2answers
56 views

Hillman “Deck Plus” lag screws

I'm re-planking my deck and shoring up some of the substructure while I'm in there. The beams are side-mounted to the posts like this (from dca 6): This is obviously non-ideal, but is impractical to ...
2
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6answers
316 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 ...
10
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2answers
687 views

Identify this screw head (was: Security Torx)

Am attempting to open an old device cover (an adapter) and it has these screws (please see attached image, sorry for the bad quality, I couldn't get better focus than this.) Would really appreciate ...
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1answer
65 views

Can stainless steel or galvinized screws be used indoors on non-pressure treated wood?

I assume yes and there is no harm or downside, besides these screws being more expensive than non-coated screws.
2
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1answer
47 views

Can I use concrete screws to mount storage racks through drywall into wall studs?

I mistakenly brought concrete screws to hang my storage racks in the garage. Well, turns out my walls are drywall on wood, and not concrete. I don't supposed the concrete screws will work in drywall ...
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1answer
139 views

Fixing a couple of screw holes on a dryer

Note: I apologize beforehand if my question lacks any necessary information. Repairing my own stuff is a new experience for me. I am happy to provide any additional information on request. If this ...
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2answers
75 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 ...
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1answer
66 views

Are phosphate floor screws suitable for subfloor which will be covered in thinset and cement board?

I am installing hardiebacker concrete board with thinset to a plywood subfloor. I am putting down the new subfloor and want to be sure the screws that I use to secure the plywood to the joists will ...
0
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1answer
87 views

7 inches long 4-40 screw

I have been looking all over to find 7 inch long 4- 40 screws. I found McMaster carries threaded 4-40 rods that are 8 inches long but these are not screws. I know they do exist as I found one just ...
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1answer
82 views

size of screw, wall plug and drill bit for shelf upright with 7mm hole

I have a shelf upright that has 7mm sunken holes, like this one here: https://www.twinslotshelving.co.uk/shelving-uprights/1m-white-upright I'm just unsure about the size of the things I need for ...
2
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2answers
72 views

What kind of screw is this?

While finishing the assembly of a basketball hoop from a kit, I ran into a case where the provided screws are too large in diameter to fit into the mating holes, let alone screw in all the way. I ...
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2answers
277 views

Can I use lag screws, lag bolts to hang swing vertically from a wood beam?

I need to hang a swing (picture attached) from a large wood beam in my living room. The beam is 1 foot high and 1/2 foot wide. (quite strong). I am planning to use 2 metal faceplates . Each ...
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3answers
160 views

Can screwing too far (about 1.5 inches) into a stud can weaken it?

I put up some IKEA cabinets (using their suspension rail). I used a 5mm (#10) x 50mm (2 inch). Minus the drywall and rail it probably went in about 35-40mm (1.5 inch) into the stud. After all was ...
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1answer
295 views

Is it normal for wood to sometimes squeal when screwing into it?

I recently put up some kitchen wall cabinets. When screwing in the cabinets one of the studs was more difficult to screw into. I pre-drilled pilot holes for the studs and everything went OK besides ...
2
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1answer
191 views

Stripped screw in door knob

I have a stripped screw in my door handle. I tried drilling it to hopefully get a better grip but ended up messing it up further. I believe that i have drilled deep enough to the point where the shank ...
0
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1answer
110 views

yellow zinc plated screw to subfloor and stud

Home is built in California late 1990s. I recently removed some nails and screwed subfloor on 2nd floor to joint/stud below using yellow zinc plated screws from HomeDepot. Now I realized it has notes ...
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1answer
99 views

What kind of screw is it this with two different intertwining threads?

I have a screw that is 1 1/2" long, and it has two different threads around it. It's a button head, made for a Phillips-head screwdriver. What do you call this kind of screw and its threading so I ...
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1answer
166 views

Mounting an electrical box to screws drilled into the ceiling

A plastic box junction box shall be mounted to a drywall industrial ceiling with two screws. The box will be filled with many low voltage wires before it is brought to the worksite (making it very ...
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2answers
189 views

Used the wrong screws for sheetrock and screw marks are too visible. Any suggestions?

I used wrong screws for the drywall. I didn't realize that the screws are wrong until the job was done and I started to put mud on the walls. After putting the first layer and doing some sanding, I ...
0
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1answer
52 views

Removable Bracket for Wood

I am hoping to bracket two pieces of wood together at in a removable fashion (parts of a table that can be disassembled). Through research I found hanger bolts which look close to what I would want, ...
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2answers
133 views

What is this machine screw? 3.7mm OD, ~32 TPI

I have a machine screw from the hardware on an old desk that needs to be replaced (the knob it goes with is slightly stripped so it needs a longer screw to catch when mounted), but it's a really weird ...