Общий каталог Yamawa 2021 - страница 696

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Max: Major Dia. Min: Major Dia. Max: Pitch Dia. Min: Pitch Dia. Max: Minor Dia. 17. Taps for Pipe Threads Intro Classification of American pipe thread taps Standard Symbol Class Material Threads to be cut Range SP Straight Pipe Thread Tap NPS Ground Thread HSS NPSC, NPSM -1 Dryseal Straight Pipe Thread Tap NPSF Ground Thread HSS NPSF -¾ Taper Pipe Thread Tap NPT Ground Thread HSS NPT -2 Dryseal Taper Pipe Thread Tap NPTF Ground Thread HSS NPTF -2 SL PO Thread limit of American Pipe Thread Taps Straight pipe thread taps for (NPS) G Class ST ROLL CARBIDE LONG Major diameter Pitch diameter Minor diameter* Size Max. Min. Tolerance Max. Min. Tolerance Max. HAND NPS e - 27 10.241 10.216 0.025 9.527 9.515 0.012 M - 0.053 TAPS NPS w - 18 13.606 13.582 0.024 12.542 12.530 0.012 M - 1.019 NPS y - 18 17.045 17.021 0.024 15.981 15.969 0.012 M - 1.019 NPS q - 14 21.226 21.202 0.024 19.840 19.828 0.012 M - 1.334 NPS t - 14 26.560 26.536 0.024 25.186 25.162 0.024 M - 1.334 EG (STI) NPS 1 - 11.5 33.215 33.176 0.037 31.526 31.502 0.024 M - 1.644 *Above dimensions change depending on actually measured SPECIAL THREADS, GAUGES THREAD MILLS DIES CENTER DRILLS Technical info 697