Question Best glue for these washer-like screws ?

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VermilionNeko

VermilionNeko

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Apr 24, 2014
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Hi

I'm not sure what the proper name is for these. Perhaps someone can clarify...?
Does anyone have any experience with gluing these washer-like screws back into these holes you would find on the underside of a laptop case/screen? I'm not able to get the LCD screen back into place securely whilst these have come out. So I need a glue recommendation that works best. I did see some poxy resin Gorilla glue on Amazon that would probably work, however, it would probably need to be applied with something small and thin around the rim of these holes. Last thing I want is for the glue to get inside and set and then I'm unable to screw anything in them. :sweatsmile: Any help would be appreciated. Thanks.

https://imgur.com/a/aHYQBI3
 
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stonecarver said:
You need to scuff up both the plastic surface and the part being epoxied and than cleaned with rubbing alcohol before .
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I suspect I'm still not going to have any luck with it. :confused2: I tried sanding and cleaning the area once before, but the screws are an absolute pain to screw into those washer-type things afterwards, especially if there's any resin down the middle of it. It's very hard to add it just around the insides and even then it may not be enough. As soon as the screw is screwed into it, it either gets stuck and rotates around and around on the spot without actually tightening, or it causes the washer-thing to break loose from the resin. :pensive:

The only other alternative is to get a replacement bottom chassis, but I don't think I can get one for this exact model. And I'm not sure if any for the Clevo W650 would work.
 
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It's pretty clearly marked ABS plastic, so you would use ABS plastic cement to soften it and squish it around the nutsert, no glue required (since the "cement" is mostly just a solvent).

You could make your own ABS glue using just acetone + ABS plastic shavings from a black ABS plastic water pipe from the hardware store, if you need more material to work with. If there's room around the post then more material means more stronger.

ABS by itself is not really very crack-resistant unless it's glass-filled/fiberglass reinforced and only the very cheapest consumer goods such as really low-end power tools will use a case made of just ABS. The better stuff usually uses glass-filled polycarbonate or nylon.
 
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BFG-9000 said:
It's pretty clearly marked ABS plastic, so you would use ABS plastic cement to soften it and squish it around the nutsert, no glue required (since the "cement" is mostly just a solvent).

You could make your own ABS glue using just acetone + ABS plastic shavings from a black ABS plastic water pipe from the hardware store, if you need more material to work with. If there's room around the post then more material means more stronger.

ABS by itself is not really very crack-resistant unless it's glass-filled/fiberglass reinforced and only the very cheapest consumer goods such as really low-end power tools will use a case made of just ABS. The better stuff usually uses glass-filled polycarbonate or nylon.
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I'm afraid that's kinda out of my expertise. :sweatsmile: I've never done anything like that before. Also, I must be blind because I can't see where it says ABS. :persevere:
 
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Nope. I give up. I'm done with it. Had enough. I did as thorough a job as I could, but when I try to screw the screws in, they're too tight, and it ends up breaking them loose again. I need a replacement back cover.
 
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VermilionNeko said:
I did as thorough a job as I could, but when I try to screw the screws in, they're too tight, and it ends up breaking them loose again. I need a replacement back cover.
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Just an off the wall thought I do believe you did a good job cleaning and gluing but is there a slight chance you mixed up the threads with the wrong screws.

It happens and there so small it's hard to see you have the wrong ones.

Amazon in the past sells the barrel and screw replacement that yes also need to be epoxied to the bottom of the laptop but they will be the correct match and the force screwing them later will not re break them out again.

I will say this those repairs are a pain to where I have at times thrown a washer in the mix with the barrels so the washer acts as an anchor under the barrel and once all done the finished repair has more structure.
 
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stonecarver said:
Just an off the wall thought I do believe you did a good job cleaning and gluing but is there a slight chance you mixed up the threads with the wrong screws.

It happens and and there so small it's hard to see you have the wrong ones.

Amazon in the past sells the barrel and screw replacement that yes also need to be epoxied to the bottom of the laptop but they will be the correct match and the force screwing them later will not re break them out again.

I will say this those repairs are a pain to where I have at times thrown a washer in the mix with the barrels so the washer acts as an anchor under the barrel and once all done the finished repair has more structure.
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To be honest, you are right. I have made the mistake of mixing up the screws. I should have made a note of what screws go where. :tired: I put them all together in a box whilst working on it. I have tried each screw in turn, and most are too small/thin. Though the ones that do fit better are often incredibly tight at screwing all the way. Though usually I wind up with one that gets stuck. It just goes around and around when screwing it in, but doesn't actually tighten. And then I'm unable to get it out unless the resin cracks and it comes free. I have to use a pair of pliers to grip the washer in order to unscrew the screw free.

If Amazon sells the post/barrels and screws are they usually one size fits all for all laptop cases? Would I need to break all the other original posts out?
 
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It depends as with the hands on it's hard to give but general advice. I have been doing impossible repairs for over 50 years and have two sons that get extremally frustrated as I can give them a total walkthrough on something they want to repair, ends up with negative results and end up giving it to me to fix anyways. And mumble as they walk away screw you dad knowing if they want it fixed.

It's my kids way of saying you were right with out having to say thank you.

I do my repairs by a life time of knowledge of hands on. The new hands on is 3-D printing.

I can lead you to the parts and the what needs to be done but the how to make that happen is a harder request.
 
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stonecarver said:
It depends as with the hands on it's hard to give but general advice. I have been doing impossible repairs for over 50 years and have two sons that get extremally frustrated as I can give them a total walkthrough on something they want to repair, ends up with negative results and end up giving it to me to fix anyways. And mumble as they walk away screw you dad knowing if they want it fixed.

It's my kids way of saying you were right with out having to say thank you.

I do my repairs by a life time if knowledge of hands on. The new hands on is 3-D printing.

I can lead you to the parts and the what needs to be done but the how to make that happen is a harder request.
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Hmm. 3D printing is something I may end up exploring at some point in the future. I already do 3D modelling/sculpting in the likes of 3ds Max, Maya, and ZBrush. :)

But I'm all for trying something else if there's an alternative solution. It's not like I'll be able to buy a replacement bottom case anyway as there are none for sale anywhere for this model. I did try looking up those posts/pillars on Amazon, but nothing came up. Unless they have to be replaced with different looking ones...?
 
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Ralston18 said:
Another possiblilty to consider is to use superglue and baking soda.

Google as necessary to read and watch the resulting links.

Likely to be very tricky but may be viable as a last resort.

However, there are others here that may be able to provide more guidance as applicable.
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Definitely something to consider as a last resort. Although, what super glue would be recommended? I did use some silicon glue, but it didn't hold. I am interested in @stonecarver's method, but I'm not sure what or where I can get these posts from. Or how to go about removing the originals without breaking things further.
 
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Re:

"what super glue would be recommended".

Fair question and I found myself wondering the same thing.

Sometimes the bottle labels were covered or the glue was put in an unmarked container.

Or a quick pause was needed to see the label.

In any case, the process (any process) is going to be risky and require steady hands and sharp vision. Beyond what my old hands and eyes are now limited to doing.

If anything, find some bits and pieces of plastic from toys, applicances, other computer devices etc. to practice on and experiment. Expendable stuff.

And 3D printing could indeed be part of it all....

A permanent fix that still permits future disassembly is going to be a tough objective.

Still doable I think.
 
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VermilionNeko said:
Would I need to break all the other original posts out?
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Why ever would you do that?

If you don't care about how it looks, just drill all the way through the bottom of the case and use flanged nutserts/rivnuts for just the broken ones:
61EChxajEzL._AC_SL1001_.jpg

The flange makes it so you'd have to pull it entirely through the bottom of the case to break it, where the original non-flanged ones were merely pressed or melted into a smooth bore so really easy to strip + pull out if you use the wrong screw in them.
 
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BFG-9000 said:
Why ever would you do that?

If you don't care about how it looks, just drill all the way through the bottom of the case and use flanged nutserts/rivnuts for just the broken ones:
61EChxajEzL._AC_SL1001_.jpg

The flange makes it so you'd have to pull it entirely through the bottom of the case to break it, where the original non-flanged ones were merely pressed or melted into a smooth bore so really easy to strip + pull out if you use the wrong screw in them.
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I dunno. In my mind, the originals would need to be removed, which I couldn't see any way of doing without breaking them. :sweatsmile:

Sadly, I have zero experience with a drill. And I don't have the steadiest of hands; they're very shaky due to the medication I'm on. My dad does have a drill and experience, but he's currently in hospital, so I'm not expecting him to do anything like this once he's out.

I guess I don't care too much how it looks, but what would the alternative be if I did want to keep it looking neat? Would I need to get specific sized flanged nutserts/rivnuts? Thanks.
 
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