1" NPT HSS TAP SUTTON
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 11.5
Overall length 95mm
Cutting length 44.5mm
Drill diameter 28.5mm