Also called Pipe Taps, National Pipe Taper Taps are appropriate for threading a wide variety of materials both ferrous and non-ferrous. Carbon steel
Drill America DWTPT3INCH 3'-8 NPT Carbon Steel Pipe Tap, DWTPT3INCH
Drill America DWTPT3INCH 3''-8 NPT Carbon Steel Pipe Tap, DWTPT3INCH - Tillman Tools
RIDGID 35850 E-5119 1-1/2 Pipe Tap - NPT
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Buy Tap Set High Speed NPT Thread Tools in the GCC (UAE, Qatar, etc.) - Clarke® Industrial Tools (Middle East)
14 Piece Hi-Carbon Steel Fine Thread Fractional Tap & Hex Die Set (1 Set), Norseman Drill #50080
1/4 NPT to 3/8 BSPP (G) Thread Adapter: Carbon Steel
3/8 NPT Tap - Hi-Line Inc.
Carbon Steel Tap, 7/8-14NF
Milwaukee 1/4 in. -18 NPT Straight Flute Taper Tap 49-57-5191 - The Home Depot
Reviews for Drill America 3/8 in. -18 Carbon Steel NPT Pipe Tap
Inder 3/8 - 19 Inch Bsp Rh Carbon Steel Cut Thread Hand Tap 1005c at Rs 358.0, Ghitorni, New Delhi
3/8 x 19 BSPT No.3 Plug Hand Tap Carbon Steel
Drill America 1-1/2 in.-11-1/2 Carbon Steel NPT Pipe Tap DWTPT1-1/2 - The Home Depot
Taps Only - Taps & Dies - Hand Tools - The Home Depot
John Guest 1/4 in. OD x 3/8 in. NPTF Push-to-Connect Male Connector Fitting (10-Pack) PP010823W - The Home Depot