Machine taps, thread profile: NPT 3/8-18, hand of thread: Right, coola, Walter, Mfr#: 25467-NPT3/8$195.99+
Pipe Tap, Series 2133, Imperial, 1214, GroundNPT, Tapered Chamfer, 138 Thread Length, 318, Morse, Mfr#: 36205$95.59+
Pipe Tap, Series TA, Imperial, 11112 Size, NPT Thread Standard, 5 Flutes, Right Hand Cutting Di, Tap America, Mfr#: T/A64010$132.99+
5FluteHssNptSteamOxideTaperPipeInterruptedThreadTapGeneralPurpose, Yg-1 Tool Co, Mfr#: T6505780$224.99+
Pipe Thread, Series 5902, 1418 TPI, NPTF, 037 Cutting Dia, 58 Length of Cut, 3 Overall Lengt, Morse, Mfr#: 98658$291.99+