My CNC control is great for rigid tapping up to 1/2 by 13 TPI. Never
did larger.

I need to do 3/4 vy 10 TPI in 4140. I only have a TG100 collet to hold
the tap. Do I need to worry about stalling the spindle and/or tap
slipping in collet? Both have bery bad outcomes on an expensive tap.

Karl