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0
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1answer
24 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 ...
2
votes
0answers
45 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:
1
vote
4answers
97 views

Removing a Schlage door knob with stripped screw heads

I made the mistake of trying to remove a Schlage lockset with a regular screw driver too many times. (The knob makes it impossible for an ordinary driver to seat properly on the Phillips screw head. ...
10
votes
11answers
113k views

How can I remove a really stuck screw?

I often come across screws that just won't budge with a manual screwdriver or even a driver bit in a drill. They are of different screw types and heads in a variety of different materials. What are ...
28
votes
7answers
8k 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 ...
36
votes
6answers
97k views

Understanding Screw Sizes

I'm going to be building a workbench, so I've been 'screw shopping.' I need some explanation on the sizing of screws when they are advertised as (example) 6 x 3/4". I know that 3/4" is the length of ...
0
votes
2answers
2k 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.
0
votes
1answer
60 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 ...
1
vote
0answers
41 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 ...
0
votes
1answer
95 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
126 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?
4
votes
3answers
3k 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
1answer
36 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 ...
16
votes
5answers
4k views

How to unscrew screws that are barely accessible?

I need to remove the face of a fake drawer that is screwed from behind. Unfortunately, a kitchen sink is preventing me from using a screwdriver. There is approximatively 4cm of space. The screw head ...
0
votes
1answer
46 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 ...
1
vote
1answer
66 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?
2
votes
4answers
95 views

How can I remove this screw?

Any one know how to open this screw? Tried pliers but no avail and standard box of security screwdrivers couldnt open it. Here are some more photos
1
vote
1answer
53 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 ...
1
vote
2answers
52 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 ...
2
votes
2answers
46 views

How to remove a brass concrete anchor?

I have brass anchors like below in the concrete deck around my pool. Today, when I was raising the inner screw to install the cover, the screw was being very difficult. Trying to raise it, the inner ...
2
votes
2answers
92 views

When wiring a mains plug, why are the cables squeezed under the screws and not circled around?

By chance, I ran into a video about a guy ranting about mains plugs used in Britain. In the video, he shows how they are wired as well. So this got me intrigued and I watched a few others. In all ...
0
votes
3answers
162 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 ...
4
votes
5answers
7k views

What's the best way to remove a wall plug?

I use wall plugs a lot for putting screws into brick walls. It's easy to get the screw out when you want to remove them and usually you can loosen the screw a bit and pull and then both the wall plug ...
1
vote
3answers
306 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 ...
1
vote
5answers
1k views

How can I use toggle bolts with limited depth behind them?

I have a predicament, I am putting up a shelf into the wall. The wall is plaster, and then hollow and then concrete. I have screws with toggle bolts on them. The 2 inch screw with the toggle bolt ...
2
votes
1answer
115 views

Bathroom subfloor replacement

I live in a house built in 1981 that has 16 inch spaced floor joists. In wanting to retile the bathroom I have discovered the plywood all around the toilet flange is junk, it expands about 12 inches ...
1
vote
4answers
340 views

Countersink and Screw Size

I have been googling this for a few hours now and I really can't find a direct answer. This is a stupid question to validate my logic, however I like firm answers instead of assuming. I need a ...
1
vote
1answer
110 views

Achoring with Drill versus Anchoring with Spanner

I'm trying to anchor a bench onto stone. Through holes I've drilled into my bench posts, and holes that I will have drilled into concrete, I plan to drive lag screws. A fail-proof procedure calls ...
3
votes
4answers
877 views

How to loosen a rusted nut/screw

I have been trying the change the screws connecting the toilet tank, i managed to remove the tank but the nut it completely rusted and became one with the screw. I tried holding the screw in place ...
1
vote
4answers
169 views

Driving screws back into weathered deck

I have a 20+ year old deck behind my home. It's in great shape, but I want to refinish it this summer. Problem is, a number of the Phillips screws have popped up over the years. I have a basic Hitachi ...
1
vote
2answers
151 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.
3
votes
2answers
181 views

Should I be concerned about wearing out the clutch when driving screws with my drill/driver?

The clutch on a drill/driver is used to limit the amount of torque applied when driving screws. However, as the clutch is a mechanical part subject to wear especially when it slips, I'm concerned ...
1
vote
1answer
132 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 ...
0
votes
1answer
253 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
64 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
votes
1answer
357 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?
1
vote
1answer
110 views

Problem Using Wall Anchors for Curtain Rod

I'm trying to hang curtains for a floor-to-ceiling window by using drywall anchors to hold up the curtain rod. However, the plastic screw gets stuck about halfway anywhere I attempt to drill. When I ...
0
votes
2answers
116 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 ...
6
votes
3answers
6k views

How do I repair screw holes in a brick wall?

I have screw holes which were put in to support a curtain rail. The curtain's been pulled out a few times by accident, and now the screw holes are crumbling and I don't know how to repair that portion ...
2
votes
1answer
149 views

Is there a special type of screw to hang a light fixture onto the ceiling?

I am trying to hang a light fixture on the ceiling of my kitchen. What i have noticed from other light fixtures that I have hung is that it takes a special type of screw (or at least it seems like it) ...
2
votes
2answers
99 views

What tool should I use to remove a screw from cramped spaces?

I don't tackle many DIY projects. But when I do, the most frustrating thing is knowing that I'm doing things inefficiently. I watch a YouTube video where the guy says it should take 5 minutes to ...
18
votes
4answers
14k views

How do I rehang a wooden door with worn screw holes?

I have a wood door in one of my rooms where the top screws no longer hold the hinge to the wall because the screw holes have worn loose. I have tried slightly larger screws and filling with wood ...
0
votes
1answer
81 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?
6
votes
2answers
3k views

How do I use precision screwdrivers?

I am talking about those small and narrow screwdrivers with a thin handle. I can't get a tight enough grip on the handle to generate enough torque to remove a small screw. Do I have to use something ...
3
votes
4answers
3k views

How do I choose more durable screwdriver bits?

I recently bought a $35 cordless screwdriver that came in a suitcase with screwdriver bits. I was in shock when the Pozidriv bit splintered after screwing only 3 1-inch screws in the leg of an ...
1
vote
1answer
54 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
1answer
205 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 ...
1
vote
1answer
141 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 ...
0
votes
2answers
987 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 ...
56
votes
10answers
18k 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. ...