Questions tagged [screws]

Questions relating to threaded fasteners and their use.

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31 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 ...
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37 views

Remove screw from lock cylinder

I need to replace the cylinder in our front door lock (just bought the home and need to make sure nobody but us has the key). However, the screw that fixes the cylinder in place gets stuck. It gets ...
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2answers
56 views

What glue & screw/bolt/nut to use to fix the bathtub drain overflow?

I was cleaning the bath tub and I had unscrew a cap from the side of bath tub (where the hole is located) below: The cap consists of 2 parts:Part A & B as below When I removed part B, there was ...
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118 views

Is this “sunken scew head” on the underside of a pan head a thing? [closed]

I saw listing which was described as a "sunked screw head"-- which I know as meant for a countersunk hole that tapers. Here is a copy of the photo where I can see a gap at the underside of ...
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53 views

Proper sized screws to attach whiteboard on wall

I need to attach a 120 x 200 cm (47.2" x 78.7") whiteboard to a concrete wall with some plaster on it, and the whiteboard arrived with 4 screws which seem kind of small to me. I will be ...
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58 views

How to keep plastic concrete screw anchors from spinning?

I keep on getting these concrete anchoring kits in floor safes that consist of a 1/2" plastic insert and lag screw. (see photo) The instructions say to drill a 1/2" hole in the concrete, tap ...
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23 views

Sunbeam Radiant Control Toaster AT-W — Sourcing Broken Adjustment Screw and Clip [closed]

My first post here... so happy for any feedback to improve. I have just purchased one of the wonderful "automatic beyond belief" 2nd hand Sunbeam Radiant Control Toasters model AT-W.   The ...
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1answer
30 views

Correct Screw length I should be buying

Can you help me out. I am planning to install this (https://www.homedepot.com/p/Rubbermaid-70-in-White-Twin-Track-Upright-for-Wood-or-Wire-Shelving-FG4B8900WHT/100047070) in my cabinet to add ...
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1answer
28 views

Is screw/nut zinc vs zinc plating as advertise or a manufacturer shorthand?

I bought a set of machine screws and nuts which say "zinc" on the product. I also bought a box of locknuts from a different manufacturer which says "zinc plated" on it. Is the box ...
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1answer
42 views

What drill bit for what screw tap?

If I want to drill a hole for use with an M3 (or other metric size) do I need a special lookup table or do I simply use an M3 bit with an M3 tap?
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1answer
39 views

What screws to use to hang bathroom mirror cabinet?

I have bought a bathroom mirror cabinet which has a mirror on the front door. The door has hinges on its left. There are 4 screw holes on the back near the corners. The box did not come with any ...
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1answer
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How do I identify and replace unusual screws?

I've got a desk held together by these really strange screws below. The tapped end goes into one end of a joint, the plastic piece goes into the other end of the joint, and then the head of the screw ...
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1answer
56 views

How to measure screws?

I was just looking at some timber screws online and was confused about the sizing. For example, the dimensions of one screw were, "18 - 7 x 200mm". Another one was 14g x 150mm. From what I ...
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70 views

Better screws to mount shelving standards

I really REALLY love the John Sterling Fast Mount Shelving system. I use it all over my house. Presently I have been using #8 2-1/2" drywall Screws to attach the wall standards to the wall. As of ...
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2answers
73 views

Cheapest way to screw in drywall close to a big hole without patching the hole

I am replacing our thermostat. The new one has only two holes for mounting to the wall. There is a big round hole in the wall already. I can't position the new thermostat in a way that I can put a new ...
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2answers
342 views

Cannot get to the screw behind disconnect switch

I'm trying to unscrew what "seems" to be (I'm not an expert) a heat pump disconnect switch. I don't know the function of this box. It's also connected to the furnace (see pictures). Box is ...
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3answers
83 views

My 3 inch by 9 grade 316 stainless steel deck screws are breaking

These are self-tapping screws, meaning that I don't have to drill a pilot hole, but I have broken 3 of them already and I think a pilot hole would help, or maybe a stronger screw. It seems to break if ...
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1answer
84 views

What type of screw/bolt has expandable wings behind the wall surface?

Do you know what type of screw and bolt this is? Do you know the best way to unscrew it? It attaches my CCTV camera to the ceiling plaster (dry wall).
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106 views

Woodworking tips to fix a stripped MDF screw hole WITHOUT glue

Please note: I see some other very similar questions but the recommended answers all suggest using glue in some form. I can't use glue as part of this solution! I have a workbench that, on the end ...
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5answers
182 views

How to repair holes in wall and properly mount a clothes pole?

We just moved into our house and tried hanging up my wife's winter clothes. Once we had both sides of the racks filled up the whole thing fell down. We had a handy man come out, and we figured out ...
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1answer
67 views

How to fix drill hole in metal desk

I ordered this desk here but one of the sides' holes in one of the legs won't allow any of the screws to screw in. What are my options? It's definitely the screw the directions are saying to use but I ...
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2answers
483 views

What type of bolt is only threaded at the tip

I am trying to fix my son's scooter and need a 2nd one of these: I've never seen this style of bolt/screw before: only the first 1/4" or so is actually threaded and the rest is just an ...
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48 views

What are some effective methods to fix a worn out screw holes of a door hinge? [duplicate]

I have a door that was slightly tilted and didnt close properly. I noticed the hinge was a tad loose, and what was holding it was a short 0.5" screw. I replaced it the screws with a new 1" ...
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1answer
103 views

How do I repair decking where my screws have broken?

We installed a deck (various 2x and 4x PT lumber with 5/4 PT decking) two summers ago. As the wood dried, it warped and shrunk, so the deck's been squeaking with every step. I just took an hour or so ...
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201 views

What type of screw do I need for this faucet handle?

Somehow the screw holding the handle of my outdoor faucet - the type you connect a garden hose to- came loose, and my faucet handle detached from the stem of the faucet. Normally this is the type of ...
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3answers
663 views

Are electrical screws a standard diameter?

I've just had to reset the thermal cutout of my immersion heater. Whilst removing the cover, I've stupidly dropped the nut somewhere behind the tank. Fishing around with a magnet has pulled up all ...
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1answer
191 views

Why don't my composite deck screws go in all the way? Why RT screws?

I'm trying to finish up a composite deck project. We had been using SplitStop screws when we needed them, but I only need about 30 more and don't want to buy another box of them because they're very ...
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0answers
44 views

What length and gauge screw to attach a 2x4 fence rail to a 4x4 post (face screwed)?

I'm constructing a picket fence and need to attach the 2x4 rails to the 4x4 posts. I've seen some conflicting information of what length and gauge. I'm leaning towards 3" #9 screws. This will ...
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1answer
37 views

What are these brass spacers on a simple porcelain drawer pull called?

I have a few of these vintage, small, round porcelain drawer pulls; see pics below. Some have screws and “spacers” but some don’t. So I’m trying to figure out what those brass “spacers” might ...
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3answers
77 views

How do I measure my screws to match how stores label them?

When I buy screws, the container often has measurement labels, e.g. : 50/4 or 20/2.5 and such. I'm pretty sure the first number is a length in millimeters, and the second number is a width in ...
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3answers
243 views

How to unscrew this screw

I want to take out my dish washer but there is a screw that I don't know how to unscrew. I can't get the screwdriver straight on the screw head, only at an angle. Any advise would be appreciated.
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1answer
64 views

Weird set screw on tub faucet

I’m trying to remove this old tub faucet. There is what looks to be a set screw, but it’s either been stripped or is super corroded. What are my options here? I can’t seem to fit an Allen key down ...
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2answers
74 views

Butt joints with screws

I'm building a small wooden foundation for a new shed (pic below, joints in question highlighted). I'll be using wood screws to put it all together. My question is simple, should I be screwing through ...
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studfinder’s ac setting is going off AFTER placing screws

I have a precise question about what my walls are getting up to, and reading the experiences of others hasn’t helped much. I have a vivreal studfinder that includes metal and ac sensors, and plaster ...
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2answers
4k views

Screw with two grooves?

Hi there: this screw from my bathroom vanity handle has broken. I'm curious about the two grooves that you might be able to see on the remaining screw. Do they serve any purpose? Should I be trying to ...
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1answer
38 views

How to remove inaccessible screws from window handle?

My window handles are defunct. The locking cylinder is missing from one, and the cylinder is loose and falls out of the one pictured. They are both locked shut permanently. Two screws hold it in place,...
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0answers
50 views

How much weight can a 3.5" deck screw hold before pulling out?

I have built a climbing wall in my daughter's bedroom room. There is a portion on the structure that is completely horizontal on the ceiling, it is 36" × 36". The framing consists of 2x4's. I ...
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1answer
19 views

Removing/re-seating threaded rod for cabinet leg

I bought some cabinet legs along with 90 degree mounting plates from Ebay (I know, what was I expecting)... 2 of the legs are good, threads seated correctly, 1 is a little off but I can live with it; ...
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1answer
48 views

Concrete screws not going in all the way [duplicate]

I'm attempting to use tapcon 1/4in by 2.75in concrete screws to affix something to a wall of poured concrete, but it's only going about 3/5 of the way in before refusing to go any further. I used the ...
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2answers
69 views

Removing rusted screws from a gate-post attached to a wall

I am changing my old rusted garden gate with a new one. However, because of a couple of rusted screws, I could not remove the gate-post attached to the walls on either end of the old gate. I tried ...
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2answers
75 views

Where can I find furniture screws that lock into embedded metal parts?

I'm renovating an old box for the MRS. as a bit of a project. It's missing some parts which appear to be the type of screws you get in "flat pack" furniture whereby you screw so much into ...
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1answer
814 views

Which mounting screws to use for Ikea Hoppvals?

I recently bought these Ikea blinds (HOPPVALS). To my surprise when I opened the package there was no mounting screws to use or any recommendation of what kind of screws would be the appropriate ones ...
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3answers
198 views

How much weight can a 3/4“ x 8” lag bolt hold when drilled in half way?

Question: How much weight can a 3/4" x 8" lag bolt hold when drilled in half way? What about other lengths and thickness, and percent drilled in? Is there some sort of formula to calculate? Optional ...
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2answers
186 views

What is the best way to remove a broken screw from a deck board?

I used stainless steel trim screws (3 in x 9 gauge) to rebuild our deck and one of them broke off when I was drilling it in. There was about a 1/4 of an inch left (just the shank, no head) but when I ...
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2answers
87 views

Remove screwdriver tip from screw hole

Gonna be a weird one. I've tried to open up a Neato Robot Vacuum to fix a small problem and I've found myself in a doozy. Trying to unscrew it, the tip of the screwdriver must have been loose and fell ...
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1answer
66 views

Identify this Screw

What is the name/type of this screw? This screw is used in this manual for assembly of my chest drawer. Here is an excerpt from my assembly manual. Its usage is marked with "F".
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1answer
78 views

Stuck/Spinning Bolt Screw

Some time ago I had a handyman install a pull-up bar with some "M10 x 75" bolt screws that came included with the pull-up bar. When I try to take the bolt screw off to remove the pull-up bar,...
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2answers
140 views

Stuck keyed drill chuck

I have an older Black and Decker KR650RE reversible hammer drill. I need to replace the chuck however the screw on the inside seems damaged. How can I remove the chuck. Any help much appreciated. ...
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3answers
74 views

How to drive a wood screw to get a precise screw-thread fit

How does one drive a wood screw to a get a perfect-fit thread, as in the first image? Note the difference between first and second images. The 'bite marks' that would have been made in the upper ...
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2answers
182 views

i can't tighten the hinge screws on my aluminum swinging screen door, the screws just spin without tightening. how can this be remedied?

i have an aluminum swinging screen door. the hinges are loose, but I can't tighten them, the screws just keep spinning. What should I do?

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