Replacing Rear Caliper Mount Bolts

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Old 12-15-2009, 02:45 PM
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Default Replacing Rear Caliper Mount Bolts

Just got these bolts off the rear caliper mount and i'm unable to find new replacement bolts anywhere. They are an 8mm hex socket screw. Any help on where to find replacement bolts or any ideas on a substitute would be appreciated.
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Old 12-15-2009, 04:00 PM
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Default 8 mm x 30 mm ??

How do i determine the pitch? Or thread count? Hex or Allen Screw 8mm x 30mm does that sound right?
Old 12-16-2009, 06:49 AM
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Just take them to a good industrial fastener supplier. The OEM do come coated with a thread-locking compound.
Old 12-16-2009, 02:12 PM
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Just go to Audi and buy them. Probably less that two bucks each and you'll know you've got the right thing, and it'll cost you less in gas running around searching.
Old 12-16-2009, 05:28 PM
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Why do they have to be Hex socket bolts ? I replaced mine with regular hex bolts. I believe they were M10 x 1.5 but don't quote me on it. Just make sure you get 10.9 or 12.9 grade bolts. An inner hex (Allen) bolt is much more likely to get stripped than a regular bolt. If anyone has a reason for the difference please let me know. The fronts are regular hex bolts.
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