Каталог Widia all star 2020 - страница 286
Навигация
Каталог Widia техническое руководство по разверткам
Каталог Widia достижения 2020
Каталог Widia инструмент для обработки отверстий 2017
Каталог Widia монолитный инструмент 2017
Каталог Widia цельные концевые фрезы- TABLE OF CONTENTS
- INDEXABLE MILLING
- 0º/90º SHOULDER MILLS
- 90° HIGH-SPEED CUTTING MILLS
- FACE MILLS
- HIGH-FEED MILLS
- COPY MILLS
- SOLID END MILLING
- HIGH-PERFORMANCE SOLID CARBIDE END MILLS
- GENERAL PURPOSE SOLID CARBIDE END MILLS
- HOLEMAKING
- SOLID CARBIDE DRILLS
- MODULAR DRILLS
- INDEXABLE DRILLS
- TAPPING
- TURNING
- HIGH-PERFORMANCE INSERTS
- GROOVING & CUT-OFF
- Informational Icons Guide
- Material Overview • DIN
Tap Recommendations for Classes 2B and 3B
TTUnified Inch Screw Threads
| recomm tap li | ended mits 1 | internal thread pitch diameter limit | s | ||
| min | max | max | |||
| thread size/pitch | class 2B | class 3B | all classes (Basic) | class 2B | class 3B |
| 0 - 80 | H2 | H2 | 0.0519 | 0.0542 | 0.0536 |
| 1 - 64 | H2 | H2 | 0.0629 | 0.0655 | 0.0648 |
| 1 - 72 | H2 | H2 | 0.0640 | 0.0665 | 0.0659 |
| 2 - 56 | H2 | H2 | 0.0744 | 0.0772 | 0.0765 |
| 2 - 64 | H2 | H2 | 0.0759 | 0.0786 | 0.0779 |
| 3 - 48 | H3 | H2 | 0.0855 | 0.0885 | 0.0877 |
| 3 - 56 | H2 | H2 | 0.0874 | 0.0902 | 0.0895 |
| 4 - 40 | H3 | H2 | 0.0958 | 0.0991 | 0.0982 |
| 4 - 48 | H3 | H2 | 0.0985 | 0.1016 | 0.1008 |
| 5 - 40 | H3 | H2 | 0.1088 | 0.1121 | 0.1113 |
| 5 - 44 | H3 | H2 | 0.1102 | 0.1134 | 0.1126 |
| 6 - 32 | H3 | H2 | 0.1177 | 0.1214 | 0.1204 |
| 6 - 40 | H3 | H2 | 0.1218 | 0.1252 | 0.1243 |
| 8 - 32 | H3 | H3 | 0.1437 | 0.1475 | 0.1465 |
| 8 - 36 | H3 | H3 | 0.1460 | 0.1496 | 0.1487 |
| 10 - 24 | H3 | H3 | 0.1629 | 0.1672 | 0.1661 |
| 10 - 32 | H3 | H3 | 0.1697 | 0.1736 | 0.1726 |
| 12 - 24 | H3 | H3 | 0.1889 | 0.1933 | 0.1922 |
| 12 - 28 | H3 | H3 | 0.1928 | 0.1970 | 0.1959 |
| 1/4 - 20 | H5 | H3 | 0.2175 | 0.2224 | 0.2211 |
| 1/4 - 28 | H4 | H3 | 0.2268 | 0.2311 | 0.2300 |
| 5/16 - 18 | H5 | H3 | 0.2764 | 0.2817 | 0.2803 |
| 5/16 - 24 | H4 | H3 | 0.2854 | 0.2902 | 0.2890 |
| 3/8 - 16 | H5 | H3 | 0.3344 | 0.3401 | 0.3387 |
| 3/8 - 24 | H4 | H3 | 0.3479 | 0.3528 | 0.3516 |
| 7/16 - 14 | H5 | H3 | 0.3911 | 0.3972 | 0.3957 |
| 7/16 - 20 | H5 | H3 | 0.4050 | 0.4104 | 0.4091 |
| 1/2 - 13 | H5 | H4 | 0.4500 | 0.4565 | 0.4548 |
| 1/2 - 20 | H5 | H3 | 0.4675 | 0.4731 | 0.4717 |
| 9/16 - 12 | H5 | H4 | 0.5084 | 0.5152 | 0.5135 |
| 9/16 - 18 | H5 | H3 | 0.5264 | 0.5323 | 0.5308 |
| 5/8 - 11 | H5 | H4 | 0.5660 | 0.5732 | 0.5714 |
| 5/8 - 18 | H5 | H3 | 0.5889 | 0.5949 | 0.5934 |
| 3/4 - 10 | H5 | H4 | 0.6850 | 0.6927 | 0.6907 |
1Tap H limit selected for 3B will also produce thread to 2B. NOTE: The above recommended taps normally produce the class of thread indicated in average materials when used with reasonable care. However, if the specified tap does not provide a satisfactory gage fit, choose an alternate tap limit.