What size bolts hold on the brake disc on 19" mags?

[bowser]

6 bolts, are they M? x ??

thanks

 

[jayel]

think they are M8's but they are a special bolt

 

[Brian902]

Look at these.

http://www.mikesxs.net/products-113.html#products

you will notice a small shoulder near the head of the bolt where the disc contacts the bolt. This is important for strength and fitment.