Общий каталог Yamawa 2021 - страница 655

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9. Comparison of pitch diameter tolerance Intro For Cutting Tap Unified Fine Thread (UNF) SP Basic Pitch (+) μm Dia. 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420 P3 P5 SL P4 1 3/8-12 UNF 3B 2BX 3B 154 2B 2B 208 GH3 GH5 GH7 1B 312 PO P3 P5 P4 1 1/2-12 UNF 3B 2BX 3B 159 2B 2B 210 ST GH3 GH5 GH7 1B 317 ROLL 3B 2BX 2B CARBIDE Internal threads 3B Internal threads 2B Internal threads 1B LONG HAND, TAPS EG (STI) SPECIAL THREADS, GAUGES THREAD MILLS DIES CENTER DRILLS Technical info 656