I'm drilling a 1.625 hole and i have to open the hole to 3.562 inches with a mill cutter, but i have 44 holes to do and i want to make a subprogram for my mill cutter in mastercam9.1 but i cant.
Can somebody tell me what are the steps to do it Please..

Waht post are you using. check the post to see if it has the option for Subs,