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1answer
361 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
753 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
1k 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
495 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
28 views

Screws for mounting exercise rings on concrete ceiling

I want to have a pair of still rings for training purposes in my room. To be more specific I want a pair of adjustable and storable still rings and for that, I need two screws in my concrete ceiling. ...
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1answer
23 views

Hanging heavy mirror on brick wall

What size screw or bolt do I need to hang 55lb framed mirror on internal single brick wall? Two fixtures allowed on mirror back. Thanks
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1answer
309 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 ...
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1answer
254 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 ...
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1answer
144 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
621 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
636 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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3answers
99 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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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 ...
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1answer
2k views

Should I use a screw or anchor bolt to hold a metal box to the wall?

Which type of bolt is best for securing a metal box to a wall to prevent it being pulled away: Screw Bolt or Anchor Bolt? And by Screw Bolt I mean this: And by Anchor Bolt I mean this:
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2answers
237 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
1k 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
162 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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1answer
20 views

Reparing rock lath plaster around thermostat wires in wall…need troubleshooting advice!

I have been trying to find advice on how to do something similar to patch a rock lath plaster wall around my thermostat wires. It doesn't look like the original screws were screwed into anything ...
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0answers
37 views

How should this vintage wall-mount sink be mounted? Does not fit standard cast iron brackets

I'm planning to wall-mount a vintage 'Standard' victorian cast iron sink similar to the one in this question: Antique Cast Iron Sink Wall Mounting Support and Weight Issues?. That sink has two bolt ...
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0answers
60 views

How many times can you unscrew a screw in wood before the hole is stripped? [closed]

This is obviously a broad question; I am just looking for a general idea.
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2answers
73 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 ...
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0answers
49 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
116 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
182 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
206 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
280 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
46 views

What kind of screwdrivers can unscrew these screws?

I have used this laptop fan cooler pad for almost two years: Cooler Master NotePal X-Slim Ultra-Slim Laptop Cooling Pad with 160mm Fan (R9-NBC-XSLI-GP) https://www.amazon.com/gp/aw/d/B005C31HC0? ...
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2answers
64 views

Toggle bolt stuck in the ceiling with mounting plate

I bought 3 LED flat panel ceiling lights from Costco. 2 panels installed perfectly. One one panel, 3 toggle bolts are installed perfectly, but 1 toggle bolt is stuck and I cannot screw it into the ...
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2answers
128 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 ...
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2answers
40 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 ...
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1answer
184 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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6answers
13k 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
40 views

Do I get away with the wrong screws and holes on a deck if the paint will cover both?

Before sanding and then painting a deck, I've turned the screws a little inside so they will not rip the sandpaper. Before I ask my questions, let me just mention that I've found it easier to unscrew ...
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1answer
47 views

Will this DeWalt #8 screw countersink bit be good for 1/16" aluminum?

I want to screw aluminum to wood. If it was wood to wood, this bit: Image from zoro.com makes perfect sense for the pilot and counter sink. However, it makes no mention of if the counter sink part ...
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1answer
121 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 ...
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2answers
360 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
224 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
3k 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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1answer
77 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 ...
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2answers
41 views

What screwdriver should I use to remove drawer handles?

I'm changing the handles on my drawers, and I can't get the screws out. I think the screws might be a Phillips raised countersunk but I'm not sure. All I know is that it is a Phillips head screw. What ...
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4answers
160 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 ...
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1answer
171 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 ...
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1answer
327 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
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?
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2answers
902 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
1k 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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1answer
459 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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1answer
602 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
38 views

Unscrew a screw in a hole

There is a screw in a hole in my laptop. I fail to unscrew it with a screw driver. How can I unscrew it? The end of the handle of the screwdriver is loose, and what is the looseness supposed to be ...
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3answers
40 views

Re-using Stud hole in wall

I have a guitar hanger that I didn't put together tightly enough so it loosened over time, and I want to tighten it and hang it again. It was put into a stud and I was wondering if I could reuse the ...