I like to keep 5/16 and 3/8 bolts around. They are the most common used. 1/4 and 1/2 are good too but I don't use as much.
Who cares about metric? Use it only when no other option exists. I'll make a trip for those few times.
Who cares about metric? Use it only when no other option exists. I'll make a trip for those few times.








