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me@td5.org

Member Since: 16 Jan 2011
Location: Warwick
Posts: 856

Cross Member Bolt sizes

Lots of searching and I keep coming up with different answers. I need to check for certain what the thread size is in my TD5 cross member for the NATO hitch and the larger tow bar mounts below.

I believe that the NATO is 4 x M12 and the 2 holes below are M16. It's just i've tried M12 in the top hole and I can get one to bite but them it stiffens up as if cutting a new thread and the other won't get close.

Most likely paint. I'll buy a tap to clean it but I wanted to check I want barking up the wrong tree

13th Sep 2012 7:11pm

XS Pete

Member Since: 13 Jan 2011
Location: Suffolk
Posts: 632

2011 Defender 90 Puma 2.4 XS CSW Stornoway Grey

I remember when I changed all my bolts an refitted my NAS step that the two big boys are definitely M16. I didn't need to put any fixings into the upper four so I can't say for sure but I think you're right that they are M12.

Pete

13th Sep 2012 10:37pm

lambert.the.farmer

Member Since: 11 Apr 2012
Location: harrogate
Posts: 2006

From what I have read td5 cross members are not really that strong for fitting pintles to and you need some serious spreader plates, which in and of it's self means clearence issues with the fuel tank. That said they ought to be m12 assuming no one has messed with them in the past. Rhubarb and custard let fly with their secret weapon.

14th Sep 2012 6:15am

me@td5.org

Member Since: 16 Jan 2011
Location: Warwick
Posts: 856

lambert.the.farmer wrote:
From what I have read td5 cross members are not really that strong for fitting pintles to and you need some serious spreader plates, which in and of it's self means clearence issues with the fuel tank. That said they ought to be m12 assuming no one has messed with them in the past.

It will have quite a lot of support when all is done. Unfortunately I can't re-enforce from behind but the hitch is mounted to a plate which will be bolted on all 6 holes which then is fastened below to the chassis mounts for the tow bar.

I'll post pictures up when i'm done.

14th Sep 2012 7:54am

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17207

2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

If you haven't already seen them, you might want to look at the following threads:-

http://www.defender2.net/forum/topic12638.html

http://www.defender2.net/forum/topic1876.html

14th Sep 2012 11:26am

me@td5.org

Member Since: 16 Jan 2011
Location: Warwick
Posts: 856

Thanks, read those before. I posted. I was sure they were M12 corse thread. I didn't want to forse them in and create a bigger problem.

I think I have found a good mounting solution that allows my to tow the Sankey at the correct height, maintain the departure angle when off-road and allow me to tow regular trailers at the correct hitch height.

14th Sep 2012 12:43pm

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