Ground Thread - PlugHigh Speed SteelRegular Thread NPT or NPTF (Dry Seal) High Speed Steel Regular Thread Taper Pipe Tap - National Pipe Thread Tapered Thread - commonly used for hand and machine tapping of taper pipe threads. Premium ImportsQuality and Performance to satisfy you
Ground Thread, Regular ThreadHigh Speed SteelRegular Thread, NPS High Speed Steel Straight Pipe Tap - Nominal Pipe Size - these taps are mainly used for hand and machine tapping of straight pipe threads.