205 Каталог KYOCERA 2016 Твердосплавный вращающийся режущий инструмент ENG Стр.203

Catalog KYOCERA 2016 Solid carbide cutting tools Стр. 203 0205 ENG Lab2u

TAPS ENGINEERING DATA TAP DIMENSIONS PULLEY TAP DIMENSIONS Tap Dimensions, Ground Thread (Ref. USCTI Table 310) Nominal ap Dimersior s - Inches Fractional Diameter Inches Overall Length L Thread Length l Neck Length Square Length Length of Shank Close Tol. Section 4 S k Size of Square a 1/4 (.2500) 6,8 1.00 0.38 0.31 1.50 0.2550 0.1910 5/16 (.3125) 6,8 1.13 0.38 0.38 1.56 0.3180 0.2380 3/8 (.3750) 6, 8, 10 1.25 0.38 0.44 1.63 0.3810 0.2860 7/16 (.4375) 6,8 1.44 0.44 0.50 1.69 0.4440 0.3330 1/2 (.5000) 6, 8, 10, 12 1.66 0.50 0.56 1.69 0.5070 0.3800 5/8 (.6250) 6, 8, 10, 12 1.81 0.63 0.69 2.00 0.6330 0.4750 3/4 (.7500) 10, 12 2.00 0.75 0.75 2.25 0.7590 0.5690 Tolerances Element Size Range Direction Tolerance Overall Length - L 1/4 to 3/4 inc. Plus or Minus 0.063 Thread Length - l 1/4 to 3/4 inc. Plus or Minus 0.063 Neck Length - h 1/4 to 3/4 inc. See Note - 1 See Note - 1 Square Length - l2 1/4 to 3/4 inc. Plus or Minus 0.031 Length of Shank (close tol.) - U 1/4 to 3/4 inc. See Note - 2 See Note - 2 Shank Diameter - d1 1/4 to 3/4 inc. Minus 0.005 Size of Square - a 1/4 to 1/2 inc. Minus 0.004 5/8 to 3/4 inc. Minus 0.006 NOTES 1. I1, (Neck Length); neck and its length is optional with manufacturer. 2. I4, (Length of Close Tolerance Shank) is minimum length which is held to eccentricity tolerances per Table 317. GENERAL NOTES a. These taps have an internal center in the thread end. b. These taps are made to the H3 limits shown in Table 327. c. For eccentricity tolerances of taps elements see Table 317. d. d1, (Shank diameter) is approximately the same as the maximum major diameter for that size. e. a, (Size of Square) is equal to .75 X d1 to the nearest .001 inch. (U.S.) (International) 00- .714.428.3636 203 Pricing & Availability at 203