207 Каталог KYOCERA 2016 Твердосплавный вращающийся режущий инструмент ENG Стр.205

Catalog KYOCERA 2016 Solid carbide cutting tools Стр. 205 0207 ENG Lab2u

TAPS ENGINEERING DATA TAP DIMENSIONS TAPER PIPE TAP / THREAD LIMITS Ground Thread (Ref. USCTI Table 338) American National Standard Taper Pipe Thread Form (NPT) Aeronautical National Taper Pipe Thread Form (ANPT) 1 Dryseal American National Standard Taper Pipe Thread Form (NPTF) Tap Thread Limits Nominal Size Threads Per Projection Inches Projection Tolerance Taper Per Foot Limits Length L, Tap Drill Size NPT, ANPT, NPTF Inches MIN MAX 1/16 27 0.3120 0.0630 0.7190 0.7810 0.1600 C 1/8 27 0.3120 0.0630 0.7190 0.7810 0.1615 Q 1/4 18 0.4590 0.0630 0.7190 0.7810 0.2278 7/16 3/8 18 0.4540 0.0630 0.7190 0.7810 0.2400 9/16 1/2 14 0.5790 0.0630 0.7190 0.7810 0.3200 45/64 3/4 14 0.5650 0.0630 0.7190 0.7810 0.3390 29/32 1 11-1/2 0.6780 0.0940 0.7190 0.7810 0.4000 1-9/64 1-1/4 11-1/2 0.6860 0.0940 0.7190 0.7810 0.4200 1-31/64 1-1/2 11-1/2 0.6990 0.0940 0.7190 0.7810 0.4200 1-23/32 2 11-1/2 0.6670 0.0940 0.7190 0.7810 0.4360 2-3/16 2-1/2 8 0.9250 0.0940 0.7340 0.7810 0.6820 2-39/64 3 8 0.9250 0.0940 0.7340 0.7810 0.7660 3-15/64 3-1/2 8 0.9380 0.1250 0.7340 0.7810 0.8210 - 4 8 0.9500 0.1250 0.7340 0.7810 0.8440 - NOTES Distance small end of tap projects throught L1 Taper Thread Ring Gage. Recommended size given permit direct tapping without reaming the hole, but only give a full thread for approx. the L1 length. LEAD TOLERANCE A maximum lead deviation of plus or minus .0005” within any two threads not farther than 1” is permitted. Kyocera 205