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party monkey



Member Since: 31 Dec 2010
Location: Oxon.
Posts: 1311
England 2005 Defender 110 Td5 XS CSW Cairns Blue
Stainless steel fixings - advice please
Folks,

Recently bought a complete set of SS replacement bolts for the 110.

In the set are 4 x M10 x 120mm rear crossmember bolts that attach what I believe is a support/strengthening bar for the rear loadspace seatbelt fixing mounts. The bolts themselves are A4 grade stainless.

The suppliers website itself says that stainless bolts shouldn't be used in high stress situations and includes seatbelt anchor mounts in their definition. So I'm now in two minds whether to replace them or not. Maybe I'm just being a bit over-cautious??????

Have been trying to contact the supplier this morning just to chat it through but can't get through to them at the moment, so I just thought I'd ask on here if others have replaced the bolts, or specifically chosen not to.

Rest of the kit looks good though.... Thumbs Up

Edit - Still no joy getting through to the supplier, so if anyone has a view, would appreciate it... ta Thumbs Up Jon - 110 td5 [sold]. Currently Defenderless.
Post #78479 30th Jun 2011 10:38am
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dgardel



Member Since: 30 Nov 2008
Location: Veneto (Heart & Head)
Posts: 3586
Italy 
A4 is equivalent to the 10.9 in my opinion sufficiently strongfor the safety belt....


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Post #78499 30th Jun 2011 2:48pm
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mick



Member Since: 08 Feb 2010
Location: Yorkshire
Posts: 2109
England 2010 Defender 130 Puma 2.4 HCPU Rimini Red
http://www.bapp.co.uk/home have a chat with these I use them for stainless bolts
Post #78511 30th Jun 2011 5:32pm
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XS Pete



Member Since: 13 Jan 2011
Location: Suffolk
Posts: 632
England 2011 Defender 90 Puma 2.4 XS CSW Stornoway Grey
I too changed those four bolts for stainless of the same torx pattern, and was concerned about getting ones with the correct tensile rating for the same reasons. I mentioned it here http://www.defender2.net/forum/topic6933.html

After much hunting I found some guy on fleabay who was sourcing them from a Swedish company who makes them for motorway crash barriers. I figured they would probably be strong enough!

Pete
Post #78533 30th Jun 2011 9:34pm
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party monkey



Member Since: 31 Dec 2010
Location: Oxon.
Posts: 1311
England 2005 Defender 110 Td5 XS CSW Cairns Blue
Thanks for the replies chaps Bow down

The 4 x Cross member bolts that I have are also Swedish sourced and the suppliers' website does comment that they are much stronger grade of stainless (a4) given their intended application.

It was their general disclaimer on the website which spooked me a bit. Clearly it's necessary though just to make customers aware of when not to use stainless fixings and which grade of stainless is applicable etc....

I'll try them again in the morning but will give bapp a shout too.

Thanks again Thumbs Up Jon - 110 td5 [sold]. Currently Defenderless.
Post #78545 30th Jun 2011 10:46pm
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party monkey



Member Since: 31 Dec 2010
Location: Oxon.
Posts: 1311
England 2005 Defender 110 Td5 XS CSW Cairns Blue
Update...

Couldn't get through to BAPP technical but I did manage to speak this morning to my supplier, A2stainless, aka Stigs stainless fastners.

Spoke to a very helpful chap there, (forgot to get his name), who without any prompting from me confirmed that they source the screws from Sweden and that their main application over there is for motorway crash barriers. Thumbs Up

As you said Pete .... they should be up to the job then Thumbs Up Jon - 110 td5 [sold]. Currently Defenderless.
Post #78586 1st Jul 2011 11:39am
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XS Pete



Member Since: 13 Jan 2011
Location: Suffolk
Posts: 632
England 2011 Defender 90 Puma 2.4 XS CSW Stornoway Grey
A2 Stainless / Stig - snap! That's where I got mine from.

One word of caution though, if yours came with those 'split' locking nuts, don't use them. One of mine locked solid part way up the bolt before it was fully tightened. I had to carefully remove it by splitting the nut with a tiny Dremel 25mm dia metal cutting disc. I then used normal M10 A4 nylocs which I already had at work.

I may have just been unlucky though and yours may be fine.

Pete
Post #78589 1st Jul 2011 11:51am
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party monkey



Member Since: 31 Dec 2010
Location: Oxon.
Posts: 1311
England 2005 Defender 110 Td5 XS CSW Cairns Blue
From memory, they came with nylocs but thanks for the heads up Pete Thumbs Up Jon - 110 td5 [sold]. Currently Defenderless.
Post #78590 1st Jul 2011 12:00pm
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