Snuggs
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| posted on 16/6/16 at 06:17 PM |
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Suspension bolts
8.8 steel or A2 stainless ?
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http://www.topcashback.co.uk/ref/snuggstcb
Spider pig, spider pig, does whatever a spider pig does.
I doubt therefore I may be.
Luposlipophobia : Fear of being chased by wolves around a freshly waxed kitchen floor, while wearing only socks on your feet.
My mind not only wanders, sometimes it leaves completely!
http://www.venganza.org
http://www.jesusandmo.net/
http://www.snuggs.co.uk
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rusty nuts
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| posted on 16/6/16 at 06:22 PM |
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8.8 , I wouldn't use stainless
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Snuggs
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| posted on 16/6/16 at 06:25 PM |
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Cheers Mel
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http://www.topcashback.co.uk/ref/snuggstcb
Spider pig, spider pig, does whatever a spider pig does.
I doubt therefore I may be.
Luposlipophobia : Fear of being chased by wolves around a freshly waxed kitchen floor, while wearing only socks on your feet.
My mind not only wanders, sometimes it leaves completely!
http://www.venganza.org
http://www.jesusandmo.net/
http://www.snuggs.co.uk
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Dave Bailey
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| posted on 16/6/16 at 07:32 PM |
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As said definitely not stainless. I have used 8.8 and 12.9 on steering UJ's etc...
Dave B
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907
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| posted on 17/6/16 at 05:58 AM |
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A2-70 SS are low tensile, standard bolts.
I have used A4-80 which are a higher strength stainless bolt.
Paul G
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FuryRebuild
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| posted on 17/6/16 at 06:56 AM |
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Stainless goes brittle in reciprocating loads - you need high tensile. It's great if the load isn't under any vibrational loading.
When all you have is a hammer, everything around you is a nail.
www.furyrebuild.co.uk
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nick205
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| posted on 17/6/16 at 07:45 AM |
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I used 8.8 set screws at either end of the shocks on my MK Indy - didn't suffer any mishaps with this setup. From experience of a pro welder
friend fabricating a stainless trailer I'd be apprehensive of using stainless bolts as I'd imaging they'd get damaged after a while.
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coozer
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| posted on 17/6/16 at 02:42 PM |
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AN bolts are the best to use imo
1972 V8 Jago
1980 Z750
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cliftyhanger
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| posted on 17/6/16 at 07:12 PM |
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I would not be using set screws in suspension components. You want a shoulder where there are any stresses (badly worded)
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907
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| posted on 18/6/16 at 04:11 AM |
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quote:
Originally posted by coozer
AN bolts are the best to use imo
I must admit that until I Googled AN I didn't know what it stood for.
I'm impressed. Did they cost an arm and a leg ?
Paul G
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Myke 2463
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| posted on 18/6/16 at 07:08 AM |
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Stainless bolt grades
A2-70 = 7.0 304 material.
A4- 80 = 8.0 316 material.
Be Lucky Mike.
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mcerd1
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| posted on 18/6/16 at 07:57 AM |
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quote:
Originally posted by Myke 2463
A2-70 = 7.0 304 material.
A4- 80 = 8.0 316 material.
^^^ sort of....
A2 is of equivalent corrosion resistance to 304, and A4 is equivalent to 316
(the actually come in A1 to A5)
The second part of the grade is the strength, but that has more do do with how its been worked, they come in 50, 70 or 80 and you can get 100 as a
special...
Of course that's only the austenitic ones.....
As above their properties are not ideal for suspension bolts - 8.8 (or maybe 10.9/12.9 is some cases) are your best bet 
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coozer
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| posted on 18/6/16 at 01:25 PM |
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quote:
Originally posted by 907
quote:
Originally posted by coozer
AN bolts are the best to use imo
I must admit that until I Googled AN I didn't know what it stood for.
I'm impressed. Did they cost an arm and a leg ?
Paul G
Not really, just a bit of pain to find them! All over USA but not much here.
Maybe once we vote out of the EU someone can import them from the US
1972 V8 Jago
1980 Z750
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907
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| posted on 18/6/16 at 02:41 PM |
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quote:
Originally posted by coozer
quote:
Originally posted by 907
quote:
Originally posted by coozer
AN bolts are the best to use imo
I must admit that until I Googled AN I didn't know what it stood for.
I'm impressed. Did they cost an arm and a leg ?
Paul G
Not really, just a bit of pain to find them! All over USA but not much here.
Maybe once we vote out of the EU someone can import them from the US
Well me and the missis will be be doing our bit.
Vote OOOT
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johnH20
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| posted on 18/6/16 at 03:57 PM |
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Trident Racing Supplies based at Silverstone have a massive range of AN hardware. They do mail order. Not that expensive either for life and limb
items. Their catalogue is a must have ( also on line ).
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mcerd1
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| posted on 18/6/16 at 10:35 PM |
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https://www.lasaero.com/site/products/category?id=S025T36QZ
[Edited on 18/6/2016 by mcerd1]
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phelpsa
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| posted on 19/6/16 at 05:45 PM |
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quote:
Originally posted by coozer
AN bolts are the best to use imo
Not really much point using them when the size is so over spec and the tolerances on the mating parts so poor.
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David Jenkins
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| posted on 19/6/16 at 06:04 PM |
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My car has AN bolts for all the suspension stuff - the main reason I used them is so that I could get the correct lengths of plain shaft and threaded
bit. The range of sizes is so broad that I was able to get the thread in just the right place, at the point where it comes out of the bracket.
They're also made of high-grade steel.
Unfortunately (for me) although I bought them from what I thought was a UK supplier, they were just an agency for a USA company, so I got severely
stung for import duty and courier handling charges - nearly doubled the price. 
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Neville Jones
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| posted on 22/6/16 at 09:58 AM |
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LAS Aero, Trident, Autosport Bearing Supplies, and a number of others have AN bolts in stock.
I've been using 8mm ground shoulder bots from Cromwell(and others) for the purpose for near 30 years.
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