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0answers
8 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
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1answer
34 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?
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3answers
46 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 ...
2
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1answer
54 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 ...
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1answer
48 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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1answer
24 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 ...
3
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1answer
42 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) ...
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1answer
56 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
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1answer
55 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 ...
3
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1answer
63 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 ...
0
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1answer
81 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?
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1answer
47 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 ...
2
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1answer
97 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. ...
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1answer
98 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
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4answers
1k 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
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1answer
53 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 ...
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4answers
280 views

Rebuilding an exterior deck is it better to use screws or nails?

I have a deck that is old and falling apart so it is time to replace it. To replace the deck boards I plan to remove existing, measure boards, cut new board and put the same size and board back into ...
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2answers
98 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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2answers
533 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 ...
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1answer
61 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 ...
2
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0answers
33 views

Metric Screw Size Specification Question: M4x10K?

I have a quick question about interpreting a screw specification on a repair diagram. I am usually pretty good with buying replacement screws and threads/sizing but this screw is a metric size (which ...
1
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2answers
101 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 ...
1
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1answer
144 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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2answers
72 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
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1answer
272 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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6answers
3k views

Why does my drill bit destroy the screw head?

I have a craftsman drill which I use for drilling. When I use a screwdriver head to fix screws in drywall or wood, it keeps on destroying the head of the screw. So much so that the screw head is ...
3
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2answers
802 views

What is type of screw is this?

This cylinder-like screw is screwed into an opening on the inside of a table. It basically "locks" into the screw that is facing down from the top. Kind of like this: I'm trying to get them out, ...
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vote
3answers
282 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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votes
2answers
2k views

What kind of screws are used for plywood subflooring?

I have removed the old bathroom lino and cleaned the parts that adhered to the floor. I want to screw down the existing plywood subfloor because the nails are old (45yrs) and sparse. What kind of ...
0
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0answers
13 views

Recommended loads for expansion plugs using different screw diameters

Standard expansion plugs S 8 (drill hole diameter d0 = 8 mm) are suitable for wood and chipboard screws with diameters from 4.5 mm to 6 mm. Using a wood screw with a diameter of 6 mm, the highest ...
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vote
2answers
111 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 ...
0
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2answers
96 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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3answers
83 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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5answers
281 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 ...
1
vote
1answer
243 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 ...
2
votes
3answers
321 views

What should I use to hang a coat hook on a brick wall?

I have purchased several of these iron coat hooks: However, they do not come with any kind of screws. I will be hanging them on a (brick + plaster) party wall of my terraced property (UK). I ...
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1answer
424 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
3answers
353 views

How do I keep the door jamb moulding from pulling away from the wall when hardware is screwed in?

Total novice here. My wife wants one of those security door guards (a hinged arm that swings open to a point) on the door. I had bought the hardware, but put it off when the provided screws turned out ...
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1answer
2k 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
1k 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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4answers
1k 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. ...
0
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1answer
120 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
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0answers
47 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
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1answer
110 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
137 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
275 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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4answers
146 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
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1answer
140 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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2answers
111 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
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2answers
121 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 ...