2″ NPT HSS Tap FEW

2″ NPT HSS Tap Taper thread, National Pipe Thread Taper (NPT), whose diameter increases or decreases along the length of the thread. General purpose use, materials up to approx. 1000 N/mm2 Suitable for both hand and machine operations Taper pipe reamer recommended prior to tapping.
Threads per inch 11-1/2
Drill diameter 56.0mm without Reamer
Drill diameter 55.0mm with Reamer