The most common style of tap. Versatile taps for use in general machine tapping or CNC tapping applications. Can be used by hand or for tapping under power. Use for through hole or blind hole tapping. Titanium nitride increases wear resistance by producing a higher surface hardness and exceptional lubricity resulting in longer tool life. This 3-piece set that includes one each, taper, plug, and bottoming. Recommended for stainless steel, iron, and steel.