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8
votes
2answers
4k views

What can I use to lubricate screws?

I am re assembling a swing set made of pretty hard wood. My electric drill won't drive the screws in all the way and I have to try to use plain screwdriver. I don't want to strip the heads though. Is ...
14
votes
4answers
11k views

What benefit do plasterboard/drywall screws have?

I have some plasterboard screws like this: However, without a drill I have a job getting them into the wall. Am I safe to use normal screws on hangings that aren't going to be taking a great deal ...
33
votes
7answers
15k views

Why are there so many different types of screws (phillps/flat/hex/star/etc)?

Newbie question. Why is it that there's a bazillion different types of screws? Why can't we just always use one standard screw type? Are there advantages/disadvantages to the different types? Are ...
0
votes
1answer
162 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 ...
6
votes
3answers
49k views

How to determine the screw size (No.)?

I have multiple "Damaged Screw Remover" bits. I have another instance of the screw in my hand. The bits are designed for specific screw sizes (No. 4 to 7/No. 8 to 10). How do I determine the "No." ...
0
votes
2answers
478 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
4answers
72 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 ...
1
vote
2answers
110 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, ...
8
votes
4answers
23k views

How do you screw in double-ended screws?

I have a flat pack shelving unit to put together. It has double ended screws. According to the instructions you just screw them in using your hands. This is impossible: the pre-drilled holes seem way ...
5
votes
4answers
9k views

Do I run screws through the “tops” or through the “bottoms” of the corrugated steel in roofing?

Suppose I want to cover a roof with corrugated steel sheets. Imagine a sheet laying on the roof. It will have "tops" - zones that are further from the roof surface and "bottoms" - zones that are ...
0
votes
0answers
263 views

Alternatives to cam lock screws

I'm making a battery cover for my longboard, and I've used cam lock screws to attach the cover to the wooden board. (http://tim.gremalm.se/battery-chassis-for-electronic-longboard/) The cover doesn'...
0
votes
4answers
142 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 ...
0
votes
6answers
12k views

What kind of drill bit would I use to grind down the end of a protruding screw?

Let's say I have a 1"-thick piece of wood. A 1 1/4" screw is driven through the wood, resulting in 1/4" of the screw protruding out the other side. What type of drill bit would I use to grind that ...
0
votes
2answers
299 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?
2
votes
2answers
101 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 ...
0
votes
1answer
135 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 ...
2
votes
4answers
370 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 ...
1
vote
1answer
1k 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 ...
3
votes
2answers
132 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
96 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 ...
3
votes
1answer
397 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) ...
22
votes
10answers
153k views

How much weight can screws in drywall withstand?

I've always had the question of how much weight can a single screw into a drywall withstand? For instance, I would like to do things like this: It's hanged with 5 screws. The whole thing weights ...
1
vote
1answer
93 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 ...
0
votes
1answer
56 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 ...
67
votes
12answers
34k views

Is there a case where nails are better than screws, from an engineering/structural standpoint?

Is there a case where nails are better than screws, from a structural standpoint? For instance: Say you used screws instead of nails on a backyard deck, when the design specifically called for nails. ...
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 ...
3
votes
5answers
12k views

How do I attach a ledger board if I have no interior access?

I would like to build a small, 24" high deck, for a new entry door to the house. I have the deck plans all laid out, and am in need of a 2x10 ledger board under the door to attach the deck to. Most ...
0
votes
0answers
24 views

How best to mount an alarm contact to a uPVC door

I am trying to install a home burglar alarm and I need to fit some door/window contacts to the front/back doors and a couple of windows. All are uPVC. Is there anything special I need to door to screw ...
1
vote
3answers
54 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 ...
3
votes
1answer
279 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 ...
2
votes
1answer
446 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
119 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 ...
3
votes
3answers
1k views

How do I remove calcification from a screw head?

I have two screws holding on the metal disc covering the shower drain. Neither appears to be stripped. I would like to remove these screws to clean out the drain. The problem is that the ...
1
vote
1answer
2k views

Can I hang cabinets and shelves on metal studs?

I recently moved into a high rise apartment and need to hang some cabinets. The cabinets themselves weight about 20lbs and I'm thinking the stuff stored inside them will be around 40lbs. I know I ...
1
vote
1answer
528 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
307 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 ...
0
votes
1answer
404 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?
3
votes
1answer
811 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/...
6
votes
1answer
5k views

Is it safe to use screws in subfloor-to-joist connection to eliminate floor squeak

Getting ready to have some hardwood (12mm laminate, technically) installed in our dining room, and in preparation for this, I bought some 1.25" stainless steel screws that I'll be putting down through ...
11
votes
2answers
2k views

Are these drywall screws properly driven/countersunk?

Related to this question. Even though I might be cluttering up SE with questions about driving drywall screws, I feel they will ultimately be helpful since I have been unsuccessful in finding images ...
1
vote
1answer
242 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 ...
9
votes
4answers
2k 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 ...
1
vote
1answer
156 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 ...
2
votes
2answers
154 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 ...
0
votes
2answers
344 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 "...
6
votes
2answers
760 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
135 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 ...
1
vote
2answers
450 views

A screw driver tip that won't hurt painted screws?

Is there such thing as a soft tip screw driver that won't hurt painted screw tips?
10
votes
3answers
4k views

What are the implications of driving a drywall screw too far into the sheet?

I'm not gonna lie. The early stages of my very first home improvement project completely smacks of novice DIY'er. I did so many things wrong that I've since learned from, but the first mistakes are ...
1
vote
2answers
557 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-...