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Questions tagged [screws]

Questions relating to threaded fasteners and their use.

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2answers
253 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 ...
2
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1answer
123 views

I have loose screws - how can I tell a drywall screw apart from a wood screw?

Say I have a bunch of screws. Say they are all flat (countersunk) head, phillips drive. They can be different shank/root diameter, with or without a smooth shank, different thread coarseness, color, ...
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1answer
42 views

Screw type for screwing MDF onto plaster/plasterboard

I have been tasked with building wood paneling for one of the bedrooms in our place. I will be using MDF sheets, screwed directly onto the wall. The existing wall is plasterboard and plaster (fair ...
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1answer
37 views

Is there any such thing as a rectangular tripod mount or something like that? [closed]

So I bought this 20€ foldable laptop table: But I work with at least 2 external HDDs at a time, so I needed to find a way of having them "attached" to the table, too. The best, cheapest, most elegant ...
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2answers
87 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 ...
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1answer
76 views

Tightening wood posts in simpson ez bases?

I bought several of these Simpzon ez bases for our roof. Due to the climate here, I need to check and maintain the bases and the wood periodically. For this reason, I shaved of some of the wood so ...
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2answers
66 views

Metal screw stuck in middle of deep plastic (resin) hole

I was trying to tie something that has a deep hole (around 7 cm). I tried one screw that has stuck in the middle of the hole. I thought that the screw will come to the end but it didn't as its head is ...
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2answers
82 views

Plastic screw from a toilets flushing mechanism

What is the name of the red plactic screw in the picture? It's from a toilets flushing mechanism.
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2answers
134 views

Bolt, washer placed in wrong order of floor lamp

How to fix a floor lamp made in China which has a loose/wobbly base after much use. They placed the bolt first then washer/nut and it cannot be removed or tightened?
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1answer
68 views

Screw eyes that are screwed in counterclockwise?

Is there such a thing as a screw eye that can be screwed in counterclockwise? 99% of screws are tightened clockwise. This one would be the opposite. If this type of screw eye doesn't exist, is there ...
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3answers
75 views

How to remove heavily rusted hinge

This hinge has seized so needs replacing. But I can't even see the 4 Phillips screw head clearly, and a screw driver just slips so it's likely stripped. What's the best way of removing these screws? ...
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1answer
386 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 ...
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1answer
586 views

What screw length for screwing down stair treads into stringers?

My stairs are old and squeak and I would like to screw them down and plug the holes. My question is what length screw should I go with? They are about an inch thick. The stringers are old as it's ...
1
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1answer
145 views

Washer in front or behind cabinet panel mounted with lag screws?

I'm going to be mounting a network cabinet on some studs. I was advised to use lag screws. (Not really sure what these are but I assume they are for heavy things being secured to studs). Should I be ...
10
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4answers
3k views

Finding the right size of nut for a bolt

I have a bolt with a thread pitch of .8mm and a diameter of 3.3mm. I am trying to find the correct size of nut for it, however the ISO thread chart says that a .8mm thread is M5, but should have a ...
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2answers
154 views

Bathroom toilet paper holder

I have a toilet paper holder that fell out recently. The holder looks like this: What's the purpose of the alligator clips on the screws, and how should I go back reinstalling this? I can't seem to ...
52
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14answers
15k views

How to avoid stripping screw heads?

In at least two different contexts now (installing shower handrails, installing gate on fence) I've found myself stripping the head of the screw beyond all use. I must be doing something wrong, so ...
5
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3answers
895 views

Fix stripped screws in a doorframe

My kids playroom door got beat up, and we managed to pull the screws out of the jamb. Tips to fix it? I've heard drill out + dowel + redrill, anything else?
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2answers
503 views

What is the purpose of this inverted Philips head screwdriver bit?

I have a set of jewel screwdriver bits, for torx, Phillips, etc. However, there's one bit that looks like a Phillips head that's inverted or backwards, and I can't figure out its function. The bit is ...
1
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1answer
378 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 ...
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1answer
68 views

My screws won’t turn in trellidoor frame

I’m trying to remove an old trellidoor but the screws won’t turn at all. They are not worn down or painted on ( they are screwed into a metal frame) The drill I’m using is a 18v with new drill bits. ...
0
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2answers
75 views

Trying to replace the adjuster screw on a screen door — low-profile threaded screw insert and bolt (identification needed)

On my sliding patio screen door there is an height adjuster held in place by flat-profile screw inserts. I'd like to obtain more of these threaded bolts and inserts, but I have a nomenclature issue ...
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2answers
678 views

What anchors to use on walls with rigid foam insulation behind the wallboard?

My builder installed insulation board over the existing solid brick walls in our new kitchen. I need to install anchors for string shelf supports but haven't had any luck finding the right ones. I've ...
2
votes
1answer
77 views

How to mount metal box to wooden beam?

I'm using a custom Wiremold ceiling fan box to surface mount a Harbor Breeze ceiling fan onto a wooden beam. Problem is -- the Harbor Breeze mounting bracket does not have compatible screw pattern ...
0
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1answer
55 views

Wooden piece without a screw hole - is this correct?

This is my first DIY, so please forgive me if my question sounds very naive. I have a whole set of furniture's coming in, so I need to get this bed-side table right! I am trying to set this up and I ...
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1answer
185 views

Easy Chair Long Screw needs to be tight [closed]

I have an easy arm chair that I bought from Ikea. Recently its extra-long-screw that used to be on the sides of the chair got loosened somehow. I tried to tight it by force but it is like super loose ...
3
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1answer
37 views

Eyebolt where nut is another eyebolt?

Is there such a thing as an eyebolt where the nut is another eyebolt? It would be used for a 2" tube with a hole drilled across it, something like this:
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0answers
77 views

Does this exist - 'screwdriver gun' with cartridge to automatically load new screws?

I'm looking to do some really repetitive assembly that involves screw-driving a ton of M2 screws over and over again into threaded holes to put two plastic pieces together. Because it's a high ...
0
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0answers
55 views

How much force can a concrete block fence and wood stud hold when installing a large shade sail?

I have a standard concrete block fence. I want to install a large 20 x 26 foot shade sail, or two 20 x 13 shade sails by screwing hooks into the wall, and the other end into my house via the studs. ...
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2answers
1k views

Remove Tight Decking Screws

I'm trying to remove 1 decking plank to access a blocked drain underneath. The decking was installed about 6 months ago (not by myself). The screws appear to have been countersunk far below the ...
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1answer
88 views

What are these “splitted thread” screws for?

I've found a screw like this. It doesn't have a whole thread, it's threaded both near the tip and near the head but not in the middle. What's the purpose of this? Furthermore the thread is partially ...
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2answers
74 views

Identify screw and dowel on this cabinet door

What are these? Screw has two positions: fixed and loose. I can only switch between them but I cannot unscrew.
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2answers
267 views

3-prong tamper proof screw type?

Anyone know what bit would fit this? I have only seen the 2-prong spanner bits...
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3answers
97 views

What brand is this screw?

Does anyone know what brand is this screw? I thought it might have good performance on hard wood, and want to buy some but don't know what brand it is. Here are the pictures of the screw.
0
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1answer
531 views

How do you pry apart pieces stuck together by cam screws?

I have already removed the cam lock (the round piece that locks it in place). What I am left with is two pieces of wood that are attached by the cam screw. Simple hand pulling has not pulled them ...
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1answer
36 views

Securing two sections of 'floating' molding together and to wall

There is no wall stud behind the ends of these two sections of molding. (Otherwise, of course, I would use nails.) The surface behind them is painted gypsum wall board. The molding on the right is ...
1
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1answer
69 views

How can I attach lumber for a shelf so that screws are not seen?

So I'm making a simple shelf like the one in the picture. I asked the home depot guy and the guy told me to use regular screws and then use filling to cover up the holes, something I already knew. I ...
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3answers
2k 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 ...
2
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2answers
859 views

Will 2“ x 6” treated lumber warp if used like this?

I will be using 10-ft x 2" x 6" treated lumber for a rail. Will treated wood used as a rail warp? Let me explain the application: I have a 10-ft 2"x6" piece of treated wood that will be attached at ...
1
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1answer
69 views

What size fasteners should I use to mount fence bases to concrete?

We're anchoring several 4" x6" x 1/4" steel plates to concrete. They will be used for a fence. These bases need to be solid, but it's simply to separate one area from another (people won't be near it)....
0
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1answer
99 views

Self drilling masonry screws?

It’s true. I’m telling you I’ve seen them. It’s a masonry screw with the typical triangular tip seen on all masonry drill bits. I saw them in the van of one of the utility companies here in town and ...
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3answers
3k views

Dewalt DCS391 - Can't change blade on circular saw because of stuck blade clamping screw

I need to change the blade on my Dewalt DCS391 circular saw for the first time. The blade clamping screw is for an hex key left-hand threads, but I can't unfreeze it no matter how much lever of ...
0
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1answer
161 views

Hanging a mirror from its wooden frame

I intend to use four eye screws, pictured, to hang a wood-framed mirror. The mirror is about 44"x32". But installing four eye screws (two on the bottom, one on each side, with a cable running through ...
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1answer
42 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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3answers
211 views

How to remove rusted screws?

I have these rusted screws in my garage door. How do I remove them? I tried using pliers, a hammer, Water Displacement 40. Didn't come out. Here is another view from the inside: If someone has a ...
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2answers
75 views

What Does The Code Of Screws Represent?

I have different packs of screws. They all have unique codes. E.g. 6-35-B1120-4RE*12 6 might be the diameter # (which is approx. 9/64 inches). 35 might be the # of threads. (It doesn't appear to have ...
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1answer
78 views

Removal of rusted bolt remains

I recently moved into a new house. Within days, a PVC double-glazed window handle snapped. To replace it I tried removing the two bolts securing it. One came out fine, the other head sheared off ...
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1answer
350 views

Connecting Aluminum Angle using Screws

I am trying to join 2 pieces of Aluminum angles (6061, 90 degree, 1/16" thick) together using this self-driving screw: Extra-Wide Rounded Head Drilling Screws for Metal #8 1/2" length From McMaster ...
0
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1answer
150 views

Fasten 1/4" steel plate to 2x4 wood?

I have several 2"x4" x 12ft pieces of wood that I will use as rails. I need to secure them to several 1/4" steel plates. The steel plates have two holes for screws ( or whatever I end up using). The ...
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1answer
50 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,...