Pretty much. Buy a GOOD tap. It makes a tremendous difference, especially with pipe threads.
You can step-drill the holes if you want to be finicky, to help account for the taper, but getting the depths correct for the different diameters may be more trouble than it's worth.
Try to make a living, not a killing. -- Utah Phillips
Don't believe everything you know. -- Bumper sticker
Everybody is ignorant, only on different subjects. -- Will Rogers
There are lots of people who mistake their imagination for their memory. - Josh Billings
Law of Logical Argument - Anything is possible if you don't know what you are talking about.