You better have a thick wallet............
Tasty Nuts
The caliper bolts are halfway down the page and are tapered socket caps not hex like in the pic. They are M10x1.25 metric fine.
If you want to save some money this place (Chinese) might be a lot cheaper (I've ordered from them and am extremely happy with the quality, but good luck with the payment hassles). You might also want to send them a drawing of the bolt. They will make you any custom Ti bits within reason.
Chinese Titanium
Do make sure that any stressed part (nuts and bolts especially) is at least 6/4 Ti. Other Ti alloys may not be strong enough.
[ This message was edited by: Avi8or on 2006-07-12 12:47 ]