Features

• The nominal size of a Taper Pipe Tap (NPT) is that of the pipe fitting to be tapped, not the actual size of the tap.
• The Interrupted Thread Pipe Taps have every other thread removed except for the first few at the point.
• They are used for tapping tough metals or those which have a tendency to load the tap teeth.
• Straight Pipe Taps (NPS) are used for hand or machine tapping of straight pipe threads