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Anyone use a nut like this? #5343166 02/06/20 11:16 PM
Joined: Mar 2011
Posts: 627
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Fitz98 Offline OP
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I have some rusted out nuts pressed in the roof of my 2003 Suburban for mounting the roof rack side rails. I originally thought they were welded in, since there is not a nut from the underside. It looks kind of like a t-nut, but the flange is on the exterior side, so what prevents it from popping out?
I have already butchered one hole cutting and bending steel to slide a t-nut underneath and epoxied in place, but I feel there must be an easier, less destructive, more stable way.


Roof Rack Side Rail Nut.jpgRoof Rack Side Rail Nut 2.jpg
Re: Anyone use a nut like this? [Re: Fitz98] #5343172 02/06/20 11:21 PM
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P10crew Offline
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Have you looked at nut serts?

Re: Anyone use a nut like this? [Re: Fitz98] #5343179 02/06/20 11:27 PM
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tcp71 Offline
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Google “blind rivet nut”.


2016 F150 Eco: Edge 0w40
2005 Sienna 3.3: PP 5w30 syn. (varies)
Re: Anyone use a nut like this? [Re: Fitz98] #5343183 02/06/20 11:32 PM
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mk378 Online Content
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When the bolt is tightened the first time, part of the sleeve collapses and bulges out like a pop rivet, permanently securing the nut into the sheet metal.

Removal would be the same as a pop rivet-- drill away the top part until the bottom part is free to fall out. This should be possible without enlarging the hole in the car.

Re: Anyone use a nut like this? [Re: Fitz98] #5343187 02/06/20 11:33 PM
Joined: Feb 2019
Posts: 1,246
P10crew Offline
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[Linked Image]

Re: Anyone use a nut like this? [Re: mk378] #5343271 02/07/20 02:12 AM
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tcp71 Offline
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Generally they require a tool to,set and collapse the collar. Just tightening the screw makes them spin and not collapse.

https://www.mechanicalcaveman.com/best-nutsert-tool-review-rivnut-insertion-8mm/

[Linked Image]


Originally Posted by mk378
When the bolt is tightened the first time, part of the sleeve collapses and bulges out like a pop rivet, permanently securing the nut into the sheet metal.

Removal would be the same as a pop rivet-- drill away the top part until the bottom part is free to fall out. This should be possible without enlarging the hole in the car.


2016 F150 Eco: Edge 0w40
2005 Sienna 3.3: PP 5w30 syn. (varies)
Re: Anyone use a nut like this? [Re: tcp71] #5343327 02/07/20 06:15 AM
Joined: Nov 2006
Posts: 23,189
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Trav Offline
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Originally Posted by tcp71
Generally they require a tool to,set and collapse the collar. Just tightening the screw makes them spin and not collapse.

https://www.mechanicalcaveman.com/best-nutsert-tool-review-rivnut-insertion-8mm/

[Linked Image]


Originally Posted by mk378
When the bolt is tightened the first time, part of the sleeve collapses and bulges out like a pop rivet, permanently securing the nut into the sheet metal.

Removal would be the same as a pop rivet-- drill away the top part until the bottom part is free to fall out. This should be possible without enlarging the hole in the car.



2 nuts a couple of washers put any one of them in as good as a tool.



ASE L1, Master. Deutsch Meisterbrief.
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