I am not sold on the rigid tapping on a fadal for production. I think in your case you would be better off running a tapping head by tapmatic, I did that on 8-32 holes for years, it was much faster cause I never broke taps and you have much more control over the tapping pressure. not to mention time wise the spindle never reverses as the tapping head does. until I bought that tapping head for the fadal, I could tap them in a hand mill faster using the tapmatic vs the rigid tapping on the machine. again probally do to NO reversing of the spindle.
Thats just my opinion