Question: what are the three different types of taps?
Answer: Plug Tap. Plug taps have three to five threads tapered. ... 
Power Taps. If you have manual matching work or CNC applications, then this is the right type of thread tap for you.
Spiral Point Taps. ... 
Spiral Flute Taps. ... 
Interrupted Thread Tap. ... 
Pipe Taps. ... 
Form/Roll Taps. ... 
Extension Taps.