Dry-seal NPTF threads
Designed for cutting American NPTF taper pipe internal threads.
Useful pipe-thread range
Covers seven NPTF sizes from 1/16–27 through to 1–11½.
Defined tapping geometry
Straight flutes, 60° thread angle and ANSI G limit support specified thread requirements.
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YG-1 T2537 HSS-EX NPTF Tap is a bright-finish American taper pipe tap for dry-seal internal threads. It produces NPTF taper pipe threads for internal pipe-threading operations. The straight-flute series covers NPTF 1/16–27 to 1–11½ sizes, with four or five flutes. Each listed variant has a 60° thread angle and ANSI G limit. Thread lengths span 17 to 45 mm, supporting the series’ available pipe-thread sizes. Overall lengths range from 54 to 95 mm, with square-drive shanks for tapping. Basic major diameters range from 7.770 to 32.934 mm across the specified sizes. This dedicated tap family provides a defined option for NPTF dry-seal thread preparation.
- American taper pipe tap for dry-seal NPTF internal threads
- Straight-flute geometry for pipe-threading operations
- NPTF size range from 1/16–27 to 1–11½
- 60° thread angle with ANSI G limit
- Four or five flutes according to thread size
- Bright-finish HSS-EX tap series
No specifications available.