1/2" 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 14
Overall length 79mm
Cutting length 35mm
Drill diameter 17.5mm