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1answer
155 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?
1
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2answers
48 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
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3answers
461 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 ...
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0answers
48 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 ...
1
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1answer
91 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 ...
0
votes
2answers
137 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 ...
0
votes
1answer
209 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?
0
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1answer
146 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?
0
votes
1answer
796 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 ...
0
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2answers
37 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
38 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 ...
0
votes
1answer
146 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 ...
0
votes
6answers
10k 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
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1answer
85 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
195 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 ...
0
votes
1answer
178 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 ...
0
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3answers
2k 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 ...
0
votes
1answer
73 views

Long screw that wont come out

I am trying to get a long screw out of the box for a ceiling fan. The head is not stripped and the screw only comes out a little and then hits a point where it stops. I have tried screwing it back in ...
0
votes
2answers
23k views

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

I know that there are screws with these features and know how to distinguish them. Usually there are screws on the right thread. When and what type of screws should I use?
0
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4answers
84 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
1answer
106 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 ...
0
votes
1answer
203 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 ...
0
votes
1answer
2k 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?
0
votes
2answers
621 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 ...
0
votes
1answer
418 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 ...
0
votes
1answer
580 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 ...
0
votes
1answer
21 views

Loose thread in standing lamp between base and rod

My wife just bought a lamp at Target, the kind you have to self assemble the rod from 4 hollow pipes and a base, where the electrical wire is already threaded through all of them. Each of the 4 ...
0
votes
1answer
53 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 ...
0
votes
1answer
44 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 ...
0
votes
2answers
113 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
218 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?
0
votes
1answer
231 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
4k 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 ...
0
votes
1answer
192 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?
0
votes
1answer
824 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 ...
0
votes
1answer
105 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 ...
0
votes
1answer
741 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 ...
0
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2answers
2k 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 ...
0
votes
1answer
1k 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 ...
0
votes
4answers
12k 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 ...
0
votes
2answers
198 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 ...
0
votes
2answers
31 views

how to select the correct size bit for screws?

I am going to use this screw to join 2x4s together. How can I select the correct bit size for this screw? Product image from homedepot.com (linked above)
0
votes
1answer
65 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 ...
0
votes
1answer
103 views

Bizarre screws stopping me replacing oven element

I'm in the process of replacing the element in my oven and all was going so well, until it came to the final two screws linking my element bracket to the wires. I can't seem to remove them, as they ...
0
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0answers
123 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 ...
0
votes
0answers
19 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 ...
0
votes
2answers
61 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 ...
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1answer
222 views

How to dig a hole for a specific screw?

Yesterday I combined pieces of furniture into a whole desk. But how are the holes in furniture dug in the first place?
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1answer
12k views

How many screws are there in a 5lb box of 3 inch screws?

About how many screws are in this 5lb box? Deck Mate #9 x 3 in. Tan Polymer-Plated Flat-Head Star Wood Screws (5 lb. Pack)
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3answers
324 views

How to unscrew the two screws on my USB hard disk enclosure? [closed]

On my USB enclosure of laptop hard disk, there are two screws on both sides in the picture. I have tried to use one screw driver in the left panel of my toolbox, and its head can fit into the ...