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2answers
38 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 ...
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3answers
2k views

What do I do if drywall screws won't penetrate the studs?

We have begun a bathroom remodel project. All the studs were exposed by removing plaster, wood lath and old plastic tile. We began attempting to install the ceiling drywall first. We were able to ...
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1answer
166 views

How do I use self-drilling and tapping SS screws?

I've got an aluminum pole set consisting of multiple segments that need to be connected together to form one long pole using self-drilling and tapping SS screws. I've never used this type of screw ...
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2answers
180 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?
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2answers
284 views

How can I remove a stuck screw that will still turn?

I put a too short screw into the screw hole. I thought this would sort things out. It didn't. Now I cannot get the screw out even though it will turn quite freely with a Phillips screwdriver. Any ...
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2answers
305 views

How can I remove these screws from shutters?

I am trying to pull some wood shutters off vinyl siding. The screws are placed into what looks like a cylinder (I believe it is called an "anchor"), which itself looks attached to the siding. But when ...
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1answer
2k views

How to choose the right wall plug size?

I dislike drilling holes, as it irreversibly damages the wall. Therefore I am very careful not to make too much of them. And in the cases I think it is unavoidable, I like to make as tiny a hole as ...
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2answers
72 views

How can I identify these small screws for my range hood lights?

I have a "Inca HC Hilo 72" built-in range hood over my stove. There are two small light bulbs in the hood, each one sitting in a bracket which is held in place by two small screws. These screws are ...
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5answers
121 views

How to remove a sheet metal screw from the threaded end

I'm trying to remove the metal box that holds a bathroom exhaust fan into the ceiling. I've got all the wood screws out but there are 2 sheet metal screws that appear to connect the box to the duct ...
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1answer
162 views

Remove a screw with a broken head

Used an impact driver to screw into a (pre-drilled) stud. The head of the cheap screw broke off, just about flush with the drywall. How do I remove this screw?
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1answer
77 views

loosen a stuck screw

I have a gas grill and planned on replacing the rusted burners. I have 2 of the 4 screws out, the other 2 will not budge. They are machine screw through the aluminum burner into steel. I tried liquid ...
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1answer
234 views

With self drilling screw should I use a drill or a driver?

I need to affix some sheet metal using self drilling screws like the ones below. I have drill/driver with variable torque. What should I use for drilling/driving that? At first I'm drilling, but later ...
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2answers
761 views

Which screw and anchor should I use to mount a projector screen?

I have a projector screen which weighs about 8 kg (~17.6 lbs) and to light it up a little for when I don't use it I decided to mount a LED strip behind it. I already bought matching strips of wood (24 ...
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1answer
359 views

what sized screw should I use?

I have a projector screen which weighs 26kg and I'm trying to fix it on to the wall. The screen has holes for two screws and I'm wondering what size screw I need to support that weight. To ...
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1answer
37 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 ...
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1answer
53 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 ...
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3answers
80 views

Screw's head screwed up [duplicate]

I guess I screwed up with a screw's head. This is not unusual and the question answered all over the place, but all existing answers I found were for wood screws. Mine's a small (diam ~1/12th inch, ...
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2answers
77 views

How do you secure pre-built garage shelving to the frame?

We have built the typical free-standing 4-level garage shelves(similar to this) & want to secure it to the house frame in the garage. The whole thing is pretty sturdy but we just want to be safe ...
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2answers
344 views

When installing backer board for wall tiles, do the screws need to be absolutely flush or even pushed into the backer?

I'm asking because some screws will not go in fully flush. But I'm thinking the layer of thinset then tile will surely cover any screws that aren't flush, so tiles won't 'pop' out.
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1answer
144 views

When is a 5x40mm confirmat screw appropriate compared to the slightly larger 7x50mm screw?

I'm thinking about getting some confirmat screws for 3/4" material. Should I get the 40mm or the 50mm variety?
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2answers
48 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 ...
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3answers
137 views

Easiest way for non-diy people to link a square wooden post to a wood board?

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 ...
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1answer
98 views

How can I attach a Pergola/lean-to to a pebble dash wall?

I am planning to install a Pergola/Lean-to to the back of my house, to use as a sheltered patio. I have been watching numerous videos and have picked up some fabulous information, however, I'm a ...
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1answer
166 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 ...
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0answers
44 views

Reusing Old Gold Course Screws on a New Project

Learning from guys who had no power tools but were craftsman in the day my learning experience was not to re use nails or screws for many reasons. Got into a huge argument with a College Grad who ...
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1answer
64 views

How do I measure for replacement screws?

I'm attempting to replace some screws. The problem is, I don't have any existing to compare against a chart. How can I measure the tapped length and diameter? Obviously, thread spacing is still a ...
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2answers
59 views

How to remove screw anchors from wall?

What is a recommended way to go about removing screw anchors from a wall, after they've been there for "quite some time". I tried simply pulling them out with pliers, sometimes that works but more ...
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1answer
121 views

Screw Size Unit Conversion

I would like to find out what English units of measure are for a screw size described as ST5X70. Where can I get this information?
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1answer
88 views

What screwdriver do I need for this 'star' shaped fitting?

I need to unscrew the screw in this picture. It doesn't seem to be using a standard fitting however. What screwdriver so I need for this?
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1answer
107 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 ...
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1answer
85 views

Help please!!! Screw won't loosen?

I have a screw that won't loosen completely it spins to the right and the left but ends up tightening again. I think it has a certain point where it'll just let go and be able to be pulled out but I ...
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2answers
50 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 ...
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1answer
94 views

What screws for attaching 1/2“ ply to 3/4” ply?

I was using all-purpose screws (1 1/4") to attach my second layer of plywood to the under layer. The top layer does not get screwed into the floor joists. A lot of the screws just spin and don't sink ...
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3answers
519 views

How to fix a plug socket whose screws don't hold anymore?

I removed the screws of the socket (as shown in the image) to check something, and when I tried screwing it back in, the screw wouldn't hold anymore. It just keeps coming off. I tried sticking the ...
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2answers
8k views

The right-handed (RH) thread vs the left-handed (RH) thread in screws

I know that there are screws with these features and know how to distinguish them. What type of screws should I use? Usually there are screws on the right thread.
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1answer
65 views

Best way to remove anchors from concrete?

The people we purchased our home from put up a wall in the 3 car garage between the 1st and 2nd space, but never finished it and I am now looking to remove the entire wall. There are several ...
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1answer
528 views

How can I find a replacement screw/bolt?

I have a cast iron Christmas tree stand and I need to replace the screws/bolts. Where can I get them and/or how can I determine the thread so that I can check at a hardware store?
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2answers
212 views

Reusing screw holes in lumber

My townhouse has some outdoor stairs built out of 6" x 8" lumber (i.e., the first step is comprised of two pieces of lumber (with no "nosing")). A couple of the steps are rotten and I need to change ...
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1answer
363 views

what substance should I use to refill a hole in wood?

I have a small wooden table (ikea) where the legs screw into the table top. The hole - into which one of the legs screw in - became wider, so now the leg is wobbly. How would I fix this? Is there a ...
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5answers
7k 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 ...
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1answer
516 views

What type of screws and rawl plugs should I use?

I have a a framed canvas picture that I need to hang on a the wall. It is about 3 foot in height and 2 foot wide. The wall is made of solid brick but has been boarded over with plasterboard and then ...
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1answer
528 views

Installing a ceiling light with screw holes that don't match the ceiling bracket

I want to install an IKEA Calypso ceiling light. The screw holes in my ceiling measure 7 cm across. The screw holes on the light differ - they measure 9 cm across. How would I screw in the light if ...
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1answer
149 views

What type of tool do I need to remove this screw?

As the title says. I need to remove this type of screw, but don't know what tool to use. Does anyone know where can I get the screwdriver for this?
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1answer
494 views

Connect Unistrut/Superstrut to the garage ceiling

I'm planning on building storage above my garage door using an 8' x 4' platform from plywood and 2x4s. One 8' side would attach to the garage wall with lag screws. The other 8' side would be attached ...
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1answer
102 views

Which thermal circuit breaker should I buy?

I live in a small house in Argentina where we use 220 volts. I have a thermal circuit breaker that do squeak noises when the iron starts or the fridge starts. I adjusted the four screws of the breaker ...
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1answer
353 views

How is this screw head called? [duplicate]

I want to disassemble a broken hair dryer (just to see what's inside), but I just found out it uses a weird tamper-proof screw I had never seen in my life. Trying to google for it doesn't help much; I ...
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2answers
1k views

When Laying Tongue and Groove plywood over 1x6 subfloor, do I lay it with the grain perpendicular to the floor joists or to the 1x6 boards underneath?

I am redoing a bedroom and I am in the process of installing a new sub floor. I currently have 1x6 running perpendicular to the floor joists. Some do have a bit of give to them. I am laying over that ...
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1answer
878 views

Removing broken screw from electrical box

How can I remove a broken screw from an electrical box? I have added a picture below. I was attempting to replace the outdoor outlet, as I described in this question. I was using a brand new screw ...
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4answers
3k views

how to remove a tiny screw that won't spin? [closed]

A friend asked me to have at a look at his 'broken' laptop and here's a picture of one of the screws. Click for larger view I've been trying to remove it for about 15 minutes. It's in a 'hole' of ...
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2answers
164 views

How can I fix a screw that has been stripped

Is it possible to fix a screw that has been stripped? It is not an uncommon problem to run into when you are into the DIY projects. I personally have come across this quite frequently. I would like a ...