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charleslabri
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Joined: December 08, 2019
Posts: 615
Location: Nashville/Yosemite
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 Posted: Sun Sep 20, 2020 7:13 pm Post subject: door nuts thread pitch |
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when looking at the catalogues, they all say that the main door bolts for the front are 8x18mm... doesnt give me a thread pitch.
Anyone know if these are 1.0, 1.25, 1.5? I want to start replacing the sensitive bolts with stainless steel and dont have a good read on which pitch to buy.
Thanks! |
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ZsZ
Samba Member
Joined: December 11, 2010
Posts: 1644
Location: Budapest Hungary, Europe
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| Posted: Sun Sep 20, 2020 11:58 pm Post subject: Re: door nuts thread pitch |
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in Metric M8 means 1.25 thread pitch if not stated other
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Zoltan
1.9 MTdi 2wd Multivan (ex Caravelle)
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Vanagon Nut
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Posts: 10365
Location: Sunshine Coast B.C.
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| Posted: Mon Sep 21, 2020 12:03 am Post subject: Re: door nuts thread pitch |
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For lack of an actual answer....
IIRC, those types of bolts are used in many places on a Vanagon. So, an appropriate stainless M8 bolt should be available at an Ace Hardware or Home Depot. Take the old bolt and match up by eye? My guess is it's a 1.25 per inch thread count.
Neil.
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ZsZ
Samba Member
Joined: December 11, 2010
Posts: 1644
Location: Budapest Hungary, Europe
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| Posted: Mon Sep 21, 2020 12:29 am Post subject: Re: door nuts thread pitch |
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Standard M8 IS 1.25mm thread pitch.
Fine thread is M8-1.0 mm ultra fine is M8-0.75 mm, no coarse thread
https://en.wikipedia.org/wiki/ISO_metric_screw_thread
VW partnr for those M8x18mm bolts is N 01023911 which means a high tensile 8.8 structural grade bolt
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Zoltan
1.9 MTdi 2wd Multivan (ex Caravelle)
Van since 2006, engine since 2008 |
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dobryan
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Joined: March 24, 2006
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Location: Brookeville, MD
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MarkWard
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Joined: February 09, 2005
Posts: 17102
Location: Retired South Florida
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| Posted: Mon Sep 21, 2020 6:00 am Post subject: Re: door nuts thread pitch |
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You might want some Tuff Gel. Stainless hardware can be extremely frustrating to work with. The threads have a tendency to gall on assembly. I suggest going to an online company like Mc Master Carr to compare bolt strength. While unlikely, in an accident, the doors are part of the structure. Wouldn’t want a fastener to fail.
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charleslabri
Samba Member
Joined: December 08, 2019
Posts: 615
Location: Nashville/Yosemite
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| Posted: Mon Sep 21, 2020 7:09 am Post subject: Re: door nuts thread pitch |
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thanks all!
i was using mcmaster to get parts  |
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Jake de Villiers
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Joined: October 24, 2007
Posts: 5911
Location: Tsawwassen, BC
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| Posted: Mon Sep 21, 2020 7:28 am Post subject: Re: door nuts thread pitch |
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| ZsZ wrote: |
VW part numberr for those M8 x 18mm bolts is N 01023911 which means a high tensile 8.8 structural grade bolt |
As Mark alluded, stainless steel bolts will not meet the strength/safety requirements in that application.
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charleslabri
Samba Member
Joined: December 08, 2019
Posts: 615
Location: Nashville/Yosemite
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| Posted: Mon Sep 21, 2020 12:22 pm Post subject: Re: door nuts thread pitch |
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| yeah, total bummer. i was just reading up on it. I bought some of the goop that mark recommended |
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ALIKA T3
Samba Member
Joined: July 30, 2009
Posts: 6345
Location: Honolulu,Hawaii and France
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| Posted: Tue Sep 22, 2020 11:45 am Post subject: Re: door nuts thread pitch |
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| Vanagon Nut wrote: |
For lack of an actual answer....
IIRC, those types of bolts are used in many places on a Vanagon. So, an appropriate stainless M8 bolt should be available at an Ace Hardware or Home Depot. Take the old bolt and match up by eye? My guess is it's a 1.25 per inch thread count.
Neil. |
Hi Neil!
No evil inch in metric hardware. 1.25mm per turn is what it means
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