Sharp edges at the ends may be broken to prevent chipping. Thread may be countersunk a maximum of 1/16" deep to prevent chipping. .006"/ inch max camber allowance. Threads must accept a Class 1 metal screw to the above minimum thread depth. Threads will be perpendicular within 2 degrees of ends or axis as applicable. MIL number shown above is to be used as reference only, MILI10 obsoleted 1/99.