Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [screws]

Questions relating to threaded fasteners and their use.

0
votes
2answers
2k views

What kind of grease can be used on outdoor screws to avoid rust

I have fixed some screws outside to mount a house number onto masonry. I feel like I should probably apply some sort of grease or water repellent to avoid rust as they will be exposed to rain ...
0
votes
2answers
64 views

taking out damaged small screws

I want to replace this 1 inch hinge on a decorative cabinet. the screws are pretty small and their head is damaged as you can see in the pictures. I can't get any leverage with the screw driver. Does ...
4
votes
3answers
375 views

How do I remove this type of screw/nail (Cadet Heater FWC wall can)

I am a newbie. I want to remove Cadet Heater wall can and patch up the drywall but it appears that the wall can is secured by 4 round flat screws on the side. I tried pliers but it's small and round ...
1
vote
4answers
1k views

How to remove what I think is a screw head caught in a waste disposal

I have a waste disposal, and what looks like a screw head, which is jammed in the waste disposal unit (an Insinkerator 55 if it matters). This means as the machine is turned on, it makes a banging ...
1
vote
2answers
7k views

How to fix a stripped hole in a plaster wall?

I hired a "professional" painting crew to paint the stairs area, where the crew installed new brackets for the handrail. Unfortunately I did not supervise the work myself. I recently noticed that I ...
5
votes
1answer
2k views

Why do lag screws have the unthreaded body between the head and the threads?

Why do lag screws have the unthreaded body between the head and the threads? And why is that 'Body' the same diameter as the outer 'Thread' diameter? Why doesn't the transition immediately abut the ...
5
votes
3answers
19k 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 ...
1
vote
1answer
7k views

How can I remove a stubborn screw from a toilet seat?

I would like to install on a one piece Kohler toilet a bidet. When I tried to unscrew the screw from the seat, it just didn't move, not with the screwdriver nor the drill. So I put wd40 but still ...
3
votes
3answers
892 views

Metal door/ wood screws

The condo board just replaced my old wood door, with a sheet metal door. both having windows. I need to hang blinds and the kit does not have metal screws. Will my blinds be secure enough if I drill ...
3
votes
3answers
2k views

Threaded hollow wall anchors spin out partway in

Today I tried to install one of those Ikea kids storage units on my daughter's wall. It's a stud partition wall in a newly-constructed house. Before attempting it I spoke to one of the builders who ...
2
votes
4answers
355 views

Hanging pictures/mirrors to drywalls without leaving big holes

What are the best methods (screws, hooks, etc) to hang heavy objects (such as huge mirrors and framed pictures) on drywalls while doing the less possible damage? I don't mind drilling holes in the ...
3
votes
5answers
6k views

How to remove a screw inserted from the wrong side in an IKEA ALEX drawer unit?

We just bought an IKEA Alex 9 drawer unit. I assembled most of it without difficulty, except for step step 25 from the assembly instructions. I wasn't paying enough attention, and screwed the screw in ...
0
votes
4answers
773 views

How can I anchor something in the gaps between the bricks or rocks of a fireplace without damaging the masonry?

I want to hang fireplace tools next to my fireplace without damaging the stone work. I don't want to drill into it. The stones have mortar between them with gaps about half an inch wide: I have ...
2
votes
2answers
283 views

how to remove these screws without taking a huge chunk of wall with them

I'm not sure what these screws are called so I'm not sure what to search for. On mobile having trouble tagging, so feel free to edit. Below are pictures of the screw in its deployed and non ...
1
vote
2answers
346 views

Removing counter sunk metal security Torx head screws

I have a lot of frozen countersunk T10H security pin Torx head 6-32 screws to remove from cast aluminum weatherproof enclosures. I have tried tapping, torqueing in both directions, penetrating oil, ...
2
votes
5answers
1k views

Is it okay for one curtain hanging bracket to be screwed into drywall with no anchors?

I'm trying to hang curtains from near the ceiling. I have 5 brackets. 4 of them have successfully been screwed into wood, at least with the top screw (the bottom screw was as a wall anchor into ...
0
votes
1answer
744 views

How to resolve a rusting uPVC window fixing torx screw?

The window in this property has been fitted with steel screws, all of which have rusted as the window is often open and inevitably moisture has reached the screw heads. My goal is to replace them all ...
3
votes
2answers
388 views

Do I need to screw down both sides of a composite deck board at each joist?

I'm going to be using 6" composite deck boards to redo our front porch. I'm going to use a hidden screw system where you screw it down diagonally along the edge. The typical screw pattern looks like ...
1
vote
3answers
521 views

What is the optimal screw drive hole shape to get the maximum torque for a steel screw?

What is the optimal screw drive shape (such as philips, internal hex socket, or slot) that will allow the maximum amount of torque to be applied without having the drive hole stripped? The torque can ...
0
votes
1answer
133 views

Slotted Brass Screw Types

I'm building shelves into an alcove. They're mounted onto wooden battens that I've screwed into place with slotted, domed brass screws to get a 'retro' feel and for decorative appearance. To finish ...
1
vote
1answer
229 views

How to unscrew this uncommon type of screw?

The staircase light next to my flat broke down and I would like to fix it. The ceiling lamp is pictured below: I have a problem with unscrewing the screw. The screw is of rather peculiar shape with a ...
12
votes
1answer
3k views

How do I unscrew these?

I'm a college kid trying to sneak my boyfriend in my dorm window. The first section is the holder on the window, the second part is the end of the slider on the window. All I have to do is disconnect ...
0
votes
2answers
2k views

What type of screw should I use to install a latch lock on a metal door?

I want to install a latch lock on a metal door. What is the best type of screw for that?
0
votes
2answers
4k views

What Size Screw Should I Use?

I want to fasten 1/2 " - 3/4" boards onto 2x2s. I'd like to scew them from the back so that they cannot be seen. What size screw should I use?
2
votes
3answers
117 views

DIY machinist drilling problem

I have a metal part of a bandsaw that had a machine screw head break off. I drilled a hole and used an extraction bit and it also broke off. Due to poorly executed attempts to drill again (so I can ...
2
votes
1answer
2k views

Weird set screw on single handle bathroom faucet

I have a leak in my single handle bathroom faucet. I can't find any stamp or marking on it to indicate the manufacturer. Turning off the hot water fixes the problem short term. I have found some ...
0
votes
1answer
1k views

How can I screw a small threaded rod in a bigger hole?

I have a M6 x 1 hollow threaded rod, which I want to screw into a metal block (which I obtained from an old dysfunctional machine of the same type). The metal block's hole (its an un-threaded hole) in ...
0
votes
2answers
222 views

Corner brace with countersink on opposite sides?

Is there a special name for a corner brace which has the countersink on opposite sides? That being that on one leg of the "L" the countersink is on the side pointing out of the angle, where on the ...
3
votes
1answer
3k views

What should I do if one of the screws for a TV mount breaks?

My wife & I spent a fair amount of time setting up a VideoSecu heavy articulating wall mount in a position & height that we liked. Problem is, the top-left lag screw (5/16" thick, 3" long) ...
2
votes
3answers
4k views

How can I make self-tapping sheet metal screws go into metal studs more easily?

I am framing metal stud walls to hang drywall in my basement. When using self-tapping sheet metal screws to secure the metal studs to the top and bottom stud tracks, it seems like the screws often ...
2
votes
1answer
1k views

Attach piece of wood to wall, with need to be removed often

I need to attach some timber (pine) to a wall. It is for decoration. The straightforward way is to use screws and wall plugs. However, once a month, the timber will need to be removed, some ...
3
votes
1answer
2k views

Can I use machine screws in wood to hang shelves?

My wife wanted to have these DIY shelves hung. In our haste to match everything, we purchased these screws to secure them to the wall, along with the requisite toggle bolts. I went to install them ...
0
votes
1answer
2k views

stuck screw now stripped when trying to remove outdoor faucet handle

My outdoor faucet is leaking. I was trying to remove the handle so I could replace the washers. I could not get the screw to budge. Now I have stripped the stuck screw. What do I do?
0
votes
1answer
711 views

Fastening plastic to metal

I have a thin piece of plastic (1mm thick) to be attached onto a metal cabinet door, in which a screw hole will be drilled. I'm hoping to use a small screw for this (~3-4mm long). Is M3 adequate for ...
3
votes
1answer
10k views

Plywood plate for mounting to wall

I would like to attach a projector arm to my drywall, but the mounting plate of the arm is a bit wider than a wall stud. http://www.amazon.com/Pyle-PRJWM8-Universal-Telescoping-Adjustment/dp/...
1
vote
1answer
914 views

Is there any way I can guard this pipe from screws and nails?

I tried to take down a shelf yesterday and water started coming from the wall. Called a plumber and discovered this in my building's water main: The pipe is big enough and close enough to the drywall ...
9
votes
4answers
6k views

How do I unscrew a hex screw that doesn't have any grip anymore? [duplicate]

I messed up the screw that fits this tip of this particular type of screwdriver bit (circled in red): That screw now has almost no edges and is basically oval. I tried lubricating the screw so that I ...
1
vote
1answer
501 views

Screws or nails for securing 2" lumber to overhead joists as fireblocking?

I will be installing fireblocking as part of finishing my basement. I plan to leave about an 8" gap between the newly framed walls (metal stud framing) and the cinder block foundation wall to avoid ...
4
votes
5answers
4k views

Rebuilding an exterior deck is it better to use screws or nails?

I have a deck that is old and falling apart so it is time to replace it. To replace the deck boards I plan to remove existing, measure boards, cut new board and put the same size and board back into ...
0
votes
2answers
2k views

Open appliance which has a flat round disk as a screw head, no recess at all

I bought a 6 way with switches and a 4 way gang extension leads. I bought them online and I found them being closed by these screws with a flat round disk as a head. Now understanding the meaning of "...
7
votes
2answers
3k views

How can I keep a screw from slipping off a screw bit?

I'm used to having magnetic bit holders, which will attract the screw, but sometimes the screw will still slip away sideways while screwing it in. Today I watched an episode of Adam Savage's One Day ...
1
vote
1answer
375 views

Cheap solution to unscrew and screw back a refillable lighter valve (to clean a lighter) [closed]

Here is the valve that need to be unscrewed: the lighter: I have seen some expensive solution, and I'm not even sure they would fit since those valve and removal tool might not be standard. I have ...
2
votes
1answer
194 views

Metric Screw Size Specification Question: M4x10K?

I have a quick question about interpreting a screw specification on a repair diagram. I am usually pretty good with buying replacement screws and threads/sizing but this screw is a metric size (which ...
1
vote
2answers
2k views

Threading aluminum

I have some "very finely-threaded" screws with flat endings and some un-threaded aluminum "bar" (2mm thick). I wish to have that "bar" threaded according to the screws, but since they are not self-...
1
vote
1answer
5k views

What size Screw/Nail should I use for a 6 lb painting in drywall?

I am sure you experts get tired of questions like these, but I'm a complete newbie when it comes to hanging things on drywall. I ordered a piece of framed wall art, which is listed at 6 lbs. If I'm ...
2
votes
2answers
1k views

Unable to screw through plaster and lath wall

I am trying screw in a 2 1/2" screw into a wall that I'm pretty sure is plaster and lath. But when the screw is about 1 1/2" deep of drilling, it doesn't go in anymore no matter how much force I put ...
1
vote
1answer
9k views

Can I use a tap and die kit to change the thread pitch on an existing machine screw?

Can I use a tap and die set to change screw threads? I'm having difficulty finding the right size of screws for my project, and wish to manufacture my own. Can any type of screws / bolts be used with ...
8
votes
7answers
47k 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 ...
4
votes
2answers
1k views

What is type of screw is this?

This cylinder-like screw is screwed into an opening on the inside of a table. It basically "locks" into the screw that is facing down from the top. Kind of like this: I'm trying to get them out, yet ...
1
vote
3answers
1k views

How to fasten boards flush to the face of square posts

I might take 3 square wooden posts, about 1.5 meters high, and I need to link them to one or more boards on the bottom, if you propose screws, keep in mind that it has to sit level so they have to be ...