8.8 grade M12 bolts - caliper bolt

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01-12-2009, 02:56 PM

rs_dude

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8.8 grade M12 bolts - caliper bolt

I'm in the middle of fitting Cosworth brakes to my RS Turbo. I just want to make sure that the M12 grade - 8.8 are up to the job?

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01-12-2009, 08:10 PM

skypeller

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why not try some 12.9's?

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01-12-2009, 08:58 PM

kennyA

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best place to buy, anyone got a good source?

10.9's or 12.9's

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01-12-2009, 10:38 PM

rs combi

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Quote:

Originally Posted by kennyA

best place to buy, anyone got a good source?

10.9's or 12.9's

i had some m8 12.9s off ebay few weeks back cheap as well
place i used but theres loads of sellers on there
http://stores.shop.ebay.co.uk/stainlessbolts

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01-12-2009, 11:08 PM

xr2wishy

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8.8's will be ok, but if you plan to use the brakes properly i'd be fitting 12.9's for sure.

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01-12-2009, 11:14 PM

rs_dude

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Thanks for the replies, i take it 8.8 is too soft?

It's just that i had some laying around.

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01-12-2009, 11:21 PM

Chip

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I really cant see an 8.8 failing when its M12, but for the price of a few pence for a better bolt, it seems prudent to use a 12.9 IMHO

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8.8 grade M12 bolts - caliper bolt

8.8 grade M12 bolts - caliper bolt

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