Questions tagged [screws]

Questions relating to threaded fasteners and their use.

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1answer
533 views

Hanging faux wood blinds- screw broken. Is there a tough screw I can use for a wall stud?

Job= I was trying to hang up some new faux wood 2" slat blinds. It's a double sized window, so I bought 2 blinds. I needed to install 4 brackets, with 2 in the center. I predrilled the holes as the ...
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2answers
36 views

Hillman “Deck Plus” lag screws

I'm re-planking my deck and shoring up some of the substructure while I'm in there. The beams are side-mounted to the posts like this (from dca 6): This is obviously non-ideal, but is impractical to ...
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6answers
79 views

Wood glue to reinforce screw holes in an oak frame?

This is for load-bearing bronze screws in an oak frame, carrying a heavy oak door. Four of the screws were removed momentarily for maintenance work. Two of the screw holes may have been stripped ...
7
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3answers
127k views

How do I remove these screws from an IKEA Micke table?

I have assembled a Table Micke for the 1st time ... but I have some screws I want to remove. or didn't fit well (shld have tighten all screws more), 110126, 103430, 110630 the look like below they ...
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2answers
507 views

How to deal with Square Drive vs. Robertson Screws?

Although the terms "square drive" and "Robertson" are often treated as the same in catalogs, the difference (as I understand it) is that Robertson tools and screws have a slight taper to the square ...
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2answers
1k views

plastic interlock screw ? this screw with no head

How to remove this screw ? Help me..
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1answer
508 views

Need help installing the pull up bar i just bought

i am a rookie that hasnt done much installing/drilling etc. in my life (just turned 18 ;P). So i bought this pull up bar online, assembled it, but now i have to install it to my wall. At first i ...
0
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1answer
33 views

Are phosphate floor screws suitable for subfloor which will be covered in thinset and cement board?

I am installing hardiebacker concrete board with thinset to a plywood subfloor. I am putting down the new subfloor and want to be sure the screws that I use to secure the plywood to the joists will ...
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2answers
591 views

Need help identifying how to open this bolt/screw

First, apologies if I'm asking this the wrong way. Am attempting to open an old device cover (an adapter) and it has these screws (pls see attached image, sorry for the bad quality, I couldn't get ...
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1answer
63 views

Can stainless steel or galvinized screws be used indoors on non-pressure treated wood?

I assume yes and there is no harm or downside, besides these screws being more expensive than non-coated screws.
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1answer
72 views

7 inches long 4-40 screw

I have been looking all over to find 7 inch long 4- 40 screws. I found McMaster carries threaded 4-40 rods that are 8 inches long but these are not screws. I know they do exist as I found one just ...
2
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1answer
44 views

Can I use concrete screws to mount storage racks through drywall into wall studs?

I mistakenly brought concrete screws to hang my storage racks in the garage. Well, turns out my walls are drywall on wood, and not concrete. I don't supposed the concrete screws will work in drywall ...
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1answer
69 views

Fixing a couple of screw holes on a dryer

Note: I apologize beforehand if my question lacks any necessary information. Repairing my own stuff is a new experience for me. I am happy to provide any additional information on request. If this ...
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1answer
69 views

Door Jamb Rotted Where Latch Goes

I just installed a lock in my door and when attempting to install the latch I found that the wood was splintering and not stable, so I cut it out. My problem is similar to this one. What can be ...
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2answers
67 views

How much weight can threads hold?

I'm building a pot rack that will hang from my ceiling and I want to make sure it is secure. I rigged up a hanging apparatus that consists of a 1/2" x 12" bolt, two lock nuts, a 3/8" pipe floor ...
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4answers
4k 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 ...
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3answers
6k views

Type of screws for 2x4 shelves and benches

I am making some shelves and workshop benches out of 2x4 and OSB, just the standard type you see in a lot of garages/workshops. I want them to be sturdy and support a good amount of weight. My ...
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2answers
111 views

What type of unbrako screw is this?

I need some spare screws like the one in the picture, but I have no idea what it’s called. Any help is greatly appreciated!
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3answers
104 views

What Does The Code Of Screws Represent?

I have different packs of screws. They all have unique codes. E.g. 6-35-B1120-4RE*12 6 might be the diameter # (which is approx. 9/64 inches). 35 might be the # of threads. (It doesn't appear to have ...
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1answer
44 views

size of screw, wall plug and drill bit for shelf upright with 7mm hole

I have a shelf upright that has 7mm sunken holes, like this one here: https://www.twinslotshelving.co.uk/shelving-uprights/1m-white-upright I'm just unsure about the size of the things I need for ...
1
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3answers
2k views

Remove Tight Decking Screws

I'm trying to remove 1 decking plank to access a blocked drain underneath. The decking was installed about 6 months ago (not by myself). The screws appear to have been countersunk far below the ...
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3answers
14k 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 ...
6
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8answers
26k 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 ...
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3answers
5k views

Dewalt DCS391 - Can't change blade on circular saw because of stuck blade clamping screw

I need to change the blade on my Dewalt DCS391 circular saw for the first time. The blade clamping screw is for an hex key left-hand threads, but I can't unfreeze it no matter how much lever of ...
0
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1answer
36 views

Using chipboard screws and plugs in a dot & dab wall

I have a dot & dab wall and am installing a radiator onto it. I had a rummage around and found a "chipboard screws and plug" set. Using the included wall plugs, would these be suitable for ...
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2answers
99 views

What is this machine screw? 3.7mm OD, ~32 TPI

I have a machine screw from the hardware on an old desk that needs to be replaced (the knob it goes with is slightly stripped so it needs a longer screw to catch when mounted), but it's a really weird ...
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1answer
51 views

Can 3/8" Titen Heavy Duty Screw Anchor or hole be reused?

So we drilled into concrete to bolt down steel bases with several Titen 3/8" x 3" Titen heavy duty Screw Anchor. I'll be replacing the base, so I will need to remove the screw, remove the base, and ...
0
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1answer
115 views

Mounting an electrical box to screws drilled into the ceiling

A plastic box junction box shall be mounted to a drywall industrial ceiling with two screws. The box will be filled with many low voltage wires before it is brought to the worksite (making it very ...
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3answers
98 views

Can screwing too far (about 1.5 inches) into a stud can weaken it?

I put up some IKEA cabinets (using their suspension rail). I used a 5mm (#10) x 50mm (2 inch). Minus the drywall and rail it probably went in about 35-40mm (1.5 inch) into the stud. After all was ...
2
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2answers
72 views

What kind of screw is this?

While finishing the assembly of a basketball hoop from a kit, I ran into a case where the provided screws are too large in diameter to fit into the mating holes, let alone screw in all the way. I ...
1
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2answers
23k views

How do I ensure my wood screws have a minimum of 120 lbs pull out or shear strength?

Some assembly instructions for a project I am doing requires that I use fasteners (screws) with a minimum of 120 lbs pull out or shear strength. What I plan to use is #8 2 1/2" coarse thread wood ...
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2answers
129 views

Can I use lag screws, lag bolts to hang swing vertically from a wood beam?

I need to hang a swing (picture attached) from a large wood beam in my living room. The beam is 1 foot high and 1/2 foot wide. (quite strong). I am planning to use 2 metal faceplates . Each ...
1
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1answer
123 views

Is it normal for wood to sometimes squeal when screwing into it?

I recently put up some kitchen wall cabinets. When screwing in the cabinets one of the studs was more difficult to screw into. I pre-drilled pilot holes for the studs and everything went OK besides ...
0
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1answer
534 views

Light Fixture Screws & Bracket Too Small for Fixture Box

I have a light fixture that came with a mounting bracket and some screws. When I went to screw the bracket into the ceiling fixture box, it looks like the box's holes are too big. Not only do the ...
2
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1answer
102 views

Stripped screw in door knob

I have a stripped screw in my door handle. I tried drilling it to hopefully get a better grip but ended up messing it up further. I believe that i have drilled deep enough to the point where the shank ...
0
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1answer
86 views

yellow zinc plated screw to subfloor and stud

Home is built in California late 1990s. I recently removed some nails and screwed subfloor on 2nd floor to joint/stud below using yellow zinc plated screws from HomeDepot. Now I realized it has notes ...
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2answers
8k 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 ...
1
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1answer
70 views

What kind of screw is it this with two different intertwining threads?

I have a screw that is 1 1/2" long, and it has two different threads around it. It's a button head, made for a Phillips-head screwdriver. What do you call this kind of screw and its threading so I ...
2
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3answers
324 views

Cutting a thread deeper in metal.

I am trying to put together a TV Stand with 3 legs- 2 of which are supported via 18 inch metal rods within plastic tubes, screwed into the base. The depth of the hole in one of these is too shallow ...
0
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1answer
63 views

Uneven poles for fence with wood railing?

What can I do if the steel poles used for a fence are uneven? They're all supposed to be the same height, but for some reason, they're uneven (ie. surface is uneven, the welder din't measure correctly,...
4
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2answers
2k 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, yet ...
1
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2answers
153 views

Used the wrong screws for sheetrock and screw marks are too visible. Any suggestions?

I used wrong screws for the drywall. I didn't realize that the screws are wrong until the job was done and I started to put mud on the walls. After putting the first layer and doing some sanding, I ...
0
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1answer
44 views

Removable Bracket for Wood

I am hoping to bracket two pieces of wood together at in a removable fashion (parts of a table that can be disassembled). Through research I found hanger bolts which look close to what I would want, ...
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2answers
55 views

How can I hang artwork on a rented home's walls?

Hi, I am new to this part of America. I need to hang few pictures and few other very heavy paintings. I am in rented single family home. How should I go about doing this?
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0answers
31 views

Rusted tapcons on an aluminum screen patio cage

What replacement screw is best to replace rusted tapcons on an aluminum screen patio cage?
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1answer
465 views

How do I get a cam lock out of a really deep hole?

I bought a 54" desk from a local Walmart, more specifically a BH&G cube organizer desk. While I was putting it together and following the instructions, I realized that the cam locks weren't ...
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1answer
44k 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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1answer
24 views

Remove broken setscrew in an already damaged hole?

Trying to remove a broken setscrew on part of my stove. Top photo is the current state, the second photo is another part showing an intact screw for comparison. I already tried to drill out the screw ...
0
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3answers
55 views

Attach railing to aluminum post

I am putting in a handrail down the few steps into our garage. The floor is concrete, so I've ordered a couple of 3x3 aluminum posts. The railing has a single attachment point per post, and the ...
0
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1answer
49 views

When to use inox (stainless steel) screws in an anchor as opposed to using galvanized/normal screw?

Is it only when there is a possibility of humidity? Are inox screws better for withstanding some weights, are they tougher or just their water handling is better? I see there are different types of ...