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Wales
by Joske Vermeule, September 1
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Forums39
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Jun 14th, 2026
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Joined: Feb 2010
Posts: 543 Likes: 2
Talk Morgan Regular
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OP
Talk Morgan Regular
Joined: Feb 2010
Posts: 543 Likes: 2 |
Does anyone know the size of the torx button head screws that secure the wings to the body?
Paul
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Joined: Apr 2008
Posts: 12,265 Likes: 321
Scruffy Oik Member of the Inner Circle
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Scruffy Oik Member of the Inner Circle
Joined: Apr 2008
Posts: 12,265 Likes: 321 |
What year car? My guess would be M5/T25 (8mm spanner on the nut) as that's the closest metric size to the 2BA that they always used to use before they converted to metric fasteners.
Tim H.
1986 4/4 VVTi Sport, 2002 LR Defender, 2022 Mini Cooper SE
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Joined: Feb 2010
Posts: 543 Likes: 2
Talk Morgan Regular
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Talk Morgan Regular
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It's a 2017. I thought either M4 or M5 but to the eye there's not much difference. They are 20mm in length.
Paul
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Joined: Apr 2008
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Scruffy Oik Member of the Inner Circle
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Scruffy Oik Member of the Inner Circle
Joined: Apr 2008
Posts: 12,265 Likes: 321 |
Well if a T20 bit fits the head it's M4, but if it's T25 then it'll be M5.
Tim H.
1986 4/4 VVTi Sport, 2002 LR Defender, 2022 Mini Cooper SE
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Joined: Feb 2010
Posts: 543 Likes: 2
Talk Morgan Regular
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Talk Morgan Regular
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Having checked it's the T15 bit that fits so I guess it must be a M3 then??
Paul
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Joined: Apr 2008
Posts: 12,265 Likes: 321
Scruffy Oik Member of the Inner Circle
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Scruffy Oik Member of the Inner Circle
Joined: Apr 2008
Posts: 12,265 Likes: 321 |
Having checked it's the T15 bit that fits so I guess it must be a M3 then?? Hmm, that's strange. Standard torx size for M3 is T10, T15 is for M3.5 so I suspect you have a non-standard M4 or M5, M3 or 3.5 seems far too small for a wing bolt. Best way to check is to put a spanner on the nut underneath, this will tell you. if you need an 8mm spanner it's M5, 7mm for M4, 6mm for M3.5
Tim H.
1986 4/4 VVTi Sport, 2002 LR Defender, 2022 Mini Cooper SE
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Joined: Feb 2010
Posts: 543 Likes: 2
Talk Morgan Regular
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Talk Morgan Regular
Joined: Feb 2010
Posts: 543 Likes: 2 |
They screw into rivnuts rather than a conventional nut.
Paul
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Joined: Apr 2008
Posts: 12,265 Likes: 321
Scruffy Oik Member of the Inner Circle
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Scruffy Oik Member of the Inner Circle
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Posts: 12,265 Likes: 321 |
Blimey, there’s modern for you. Easy enough to whip one out and measure it then.
Tim H.
1986 4/4 VVTi Sport, 2002 LR Defender, 2022 Mini Cooper SE
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Joined: Nov 2018
Posts: 1,065 Likes: 23
Has a lot to Say!
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Has a lot to Say!
Joined: Nov 2018
Posts: 1,065 Likes: 23 |
Mudguards at bicycles are usual fixed with M5 screws. M4 for a MORGAN would be a little bit to small.
A few years ago I customized a friends Harley. I fixed the carrier for the rearlight and the numberplate with three M5 screws and selfsecuring nuts.
The Harley vibrations undo the screws in a VERY short time.
So I think more on the M5 than M4.
Greets René
2018 plus4 (sports green)
with a homemade really shiny red tinted dash…
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Joined: Feb 2016
Posts: 8,695 Likes: 415
Needs to Get Out More!
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Needs to Get Out More!
Joined: Feb 2016
Posts: 8,695 Likes: 415 |
Yes M5 x 12mm with nylon washer into captive nuts on my 2018 car. Mine were factory new button socket head when I changed them like for like with stainless.
In any case you are more likely to have a suitable 4mm Allen key around than equivalent Torx tool.
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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