Originally Posted by
HillRider
No, the most common 5 mm bolt is M5x0.8 and is the coarse pitch. M5x0.5 is the fine pitch and rarely found on bicycle components.
Thanks. Yes, my bad. In M4.5, coarse is .75 I believe. I like to believe things on modern bikes are standardized well enough that I don't have to think too hard about metric threads.