Questions tagged [screws]

Questions relating to threaded fasteners and their use.

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0
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1answer
26 views

How can I hang a shelf off of existing screws in brick wall?

Recently moved into an apartment, and setting it up. I need to hang a projector and a video game console off of a brick wall in the home. Ideally, because it's an apartment, I don't alter the wall. ...
2
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1answer
46 views

How to unlock a jammed cam lock

I am trying to disassemble an IKEA desk, and need to get the cam locks off and out to take the desk apart. The issue is not prying them out, it's turning them to get them unlocked. Most of them ...
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1answer
39 views

Mounting WLAN router, switch, 2 Raspberry Pis and a power strip

Hardware I would like to mount Router: AVM FRITZ!Box 7590 Switch: Netgear GS116E-200PES 16-Port 2 * Raspberry Pis (3 & 4) various CAT.7 cables Powerstrip ??? (ideas are welcome, should be related ...
1
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1answer
23 views

How to set-up a shelf in a tiled bathroom?

I am contemplating installing a shelf in my bathroom, and have set my sights on Ikea's Brogrund (number 304.089.79 in France, not sure is those are worldwide). The screws to set it up on the wall are ...
2
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2answers
42 views

10d nail gun or # 8 screws

I have to do a one side 8ftx6” slab repair on 6 lower chords on my trusses. I can use 10dx3 nails or #8x3 screws. Do you think it would be better to use nail gun or screws?. I understand nails have ...
6
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6answers
20k views

Using drywall screws for electrical boxes?

I am installing the following items: and I am using regular 1 1/4" drywall screws to secure them. Is there any concern in regards to shear strength or rot that would make me regret using drywall ...
2
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2answers
98 views

What kind of screw is this? It's meant to be paired with a grommet

What kind of screw is this? And what characteristics are relevant when trying to locate a suitable replacement? It's meant to be paired with a grommet.
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1answer
36 views

Which M3 screw / bolt material can be used in dishwasher?

I have fixed two pair of tongs I use for cooking with M3 screws and bolts. After a few rounds in the dishwasher rust started forming... Is there any different M3 screws / bolts material that I ...
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1answer
76 views

What is this screw's name / type?

Seems that recently Ikea and many other menufacturers are using the screw you see in picture (classic 1.5 multi power plug, nothing fancy). I have never seen anything similar and searching online ...
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9answers
7k views

What is a NON-self-tapping screw? What does self-tapping mean, really?

Someone on the site suggested that I use "self-tapping screws", and gave me a link to the Wikipedia page about them. So, I went there, saw the definition: A self-tapping screw is a screw that can ...
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0answers
50 views

Cam lock & dowel alternatives

I have a chest of small chest of drawers held together by metal cam lock & dowel pegs. The cam lock & dowel regularly come loose. I am looking for suggestions for alternatives? the cam lock ...
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1answer
52 views

What kind of screw should I use to affix plywood to a hollow metal door?

I need to affix a plywood frame (depth ~1.25 cm or so) to an office entrance door. The door is metallic, but not a solid metal block: it's hollow. The metal face of the door is about 2mm. This is the ...
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4answers
3k views

Technique for driving hinge screws to minimize misalignment

When fitting hinge screws I've noticed that, unless the pilot holes are centered exactly on the holes in the hinge and at a precise (within 2-3 degrees) horizontal/lateral right angle to the hinge ...
2
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2answers
110 views

How can I remove this stuck screw in my bathroom?

I'm trying to remove this tower holder, but the screw is stuck. The hole seems to be a 2mm hexagonal socket, but the allen key turns and cracks without moving the screw. I've tried other fixtures and ...
1
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0answers
64 views

Concealed toilet cisterns attached by screws to dry wall. Are they secure?

I've noted several post-2000 build apartments that have concealed plastic toilet cisterns that are secured at the rear to dry wall by 4 screws. They are lever-type cisterns, so there is also a toilet ...
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2answers
73 views

Yellow zinc construction screws and brass bathroom fitting

Can I use yellow zinc coated construction screws on shower brass fitting?
3
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2answers
101 views

simple niche/nook shelf: boards resting on screws

I have a niche/nook in a room (marked red) and some leftover chipboards of width 16mm. Together they should make a simple shelf. So I would cut the chipboards to the same width/depth as the niche/...
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2answers
177 views

What are these parts included with mounting bolts?

I have a thing to mount on the wall. These things were coming with it. To figure out how to apply them properly I has to know how these things and their parts are called. There 10mm inscription on the ...
2
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2answers
59 views

Name of Blunt Tip Sheet Metal Screw

I was replacing the heating element on my old Jenn-Air and I lost an important screw. It is a #8 3/8" long blunt-tip hex head screw holding two pieces of sheet metal together. The head fits a 1/4" ...
5
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5answers
188 views

How to remove sheared woodscrew behind a 5mm hole?

I'm looking for a way of removing a sheared-off stainless steel woodscrew embedded in a hardwood plank that is accessible only via a 5.5mm diameter circular hole in a metal panel. The screw is ...
1
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1answer
95 views

How can I Fix a broken plastic screw hole

One side of a plastic screw hole completely broke so the screw cannot screw on, is a way I can repair it? I cannot add another hole because it’s on a electronic keyboard
1
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1answer
67 views

Screw and washer should go through flat area or curved?

I have a screw with a washer. Which one of the two sides should it go through (ie which side the washer should be "in contact with"), the flat or the curved one? The structure is symmetrical so it can ...
4
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6answers
153 views

What's gentler on screw heads: a regular screwdriver/drill, or an impact?

I'm going to be doing some screwing/unscrewing of screws that provide both a utilitarian and aesthetic function, so I'd like to protect the painted coating on the heads as best I can when I remove and ...
1
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1answer
34 views

Are these screws adequate for securing a 304 stainless steel shelf bracket?

I have a bunch of 304 stainless steel shelf L brackets, they are thick brackets, ~6 gauge steel (5mm). They have 5 holes, long side has 3, and the short side has 2. All are 5mm in diameter, though ...
1
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1answer
75 views

When to recess a lag bolt in lumber, vs. using a lag screw?

I'm trying to figure out when you should recess a lag bolt in lumber, vs. just using a lag screw? Does it depend on the type of wood being screwed into? Hardwood? Softwood? Plywood? I know you can'...
2
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3answers
193 views

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

The threaded mounting hole in my 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 physically stable. How should ...
0
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1answer
64 views

Shower head won't screw back

I removed the shower head for cleaning it, but now I can't screw it back anymore: the threads won't click into one-another (unless I remove the gasket so that the two ends can get closer to each other,...
0
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2answers
49 views

Fixing patch in the wall

I just moved in to a new apartment and somehow broke small platform near window (where you are supposed to put plants I guess). How can I fix this as I don't want my landlord to keep my deposit :(
10
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4answers
2k views

What's this bolt head type and how can I open it?

There is a bolt screwed inside a long hole: I don't know the bolt head type. Is there a trick to open it?
0
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1answer
91 views

Masonry screws won't engage in brick or mortar?

I'm trying to put a railing on my back porch but my tapcon masonry screws will not stay in the brick or stay in the mortar. Never catches, just goes in.
2
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4answers
935 views

How to fix stripped screw holes in drywall? (Without using drywall anchors)

Where drywall anchors can't be used (for example, where only the screw holes themselves are visible through holes in a panel covering the drywall). I've seen questions covering stripped screw holes ...
0
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2answers
98 views

Ikea sidetable impossible to install

Bought an IKEA side table(listerby) today but it was impossible to install.Here is the installation instruction. If you look at the fifth step, one is supposed to use the tool IKEA provides to fasten ...
0
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1answer
68 views

Install a hardened glass in front of chimney

There is a chimney like this: I have ordered a hardened glass with four holes to be installed in front of chimney with dimensions like this: There is a 2 cm empty space below glass to allow fresh ...
0
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1answer
63 views

Screw for concrete roof

I am installing some solar panels that measure 41" x 27" on my concrete flat roof using slotted angle bars. What type of of screws (as well as wish and length) would be best to attach to the roof and ...
0
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2answers
101 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
219 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 ...
1
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1answer
92 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 ...
0
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1answer
100 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 ...
1
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3answers
107 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
46 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
54 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
73 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. ...
1
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1answer
51 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 ...
0
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2answers
46 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
41 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 ...
15
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8answers
4k 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 ...
0
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2answers
266 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 ...
0
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1answer
54 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 ...
1
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1answer
59 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. ...
0
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3answers
92 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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