corrado vr6
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| posted on 20/9/13 at 07:08 PM |
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S rated bolts
Hi there, I'm refitting my harnesses on my Mk Indy before I go for IVA, originally I was using the bolts that came with the harnesses but these
don't have 8.8 on the head but they do have an 's' on them, will these be ok or should I change them??
Cheers Greg
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liam.mccaffrey
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| posted on 20/9/13 at 07:31 PM |
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I thought s grade was for unf bolts. Are yours actually metric?
[Edited on 20/9/13 by liam.mccaffrey]
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corrado vr6
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| posted on 20/9/13 at 07:48 PM |
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Strangely they fit my Mk chassis harness mounting points, so I'm not to sure without looking at them but they are out my lock up, I know they
are a fine looking thread
http://r1indy7.wordpress.com/
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westf27
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| posted on 20/9/13 at 09:11 PM |
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s rated i am sure are a little stronger than 8.8
555
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paulf
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| posted on 20/9/13 at 09:14 PM |
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Standard seat belt bolt size is 7/16 unf so will be S grade UNF.
Paul
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corrado vr6
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| posted on 20/9/13 at 09:16 PM |
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So it sounds like the s rated bolts should be fine for mr IVA
http://r1indy7.wordpress.com/
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iank
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| posted on 21/9/13 at 08:58 AM |
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Yes, according to Namrick both S and 8.8 are the same specification 50-55 tons/in^2
http://www.namrick.co.uk/acatalog/tech-info.html
I don't think you can even get imperial bolts with metric grade markings.
--
Never argue with an idiot. They drag you down to their level, then beat you with experience.
Anonymous
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ashg
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| posted on 21/9/13 at 11:08 AM |
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quote:
Originally posted by iank
I don't think you can even get imperial bolts with metric grade markings.
not unless they are made in china 
s is fine. same as 8.8 mine went through iva with 7/16th unf s bolts.
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