Таблица крупной резьбы UNC
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| Американская резьба с крупным шагом – UNC | |||||
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| Резьба | Диаметры резьбы в мм | n | P мм | ||
| D | Dp | Di | |||
| №1 | 1,854 | 1,600 | 1,425 | 64 | 0,396 |
| №2 | 2,184 | 1,890 | 1,694 | 56 | 0,453 |
| №3 | 2,515 | 2,172 | 1,941 | 48 | 0,530 |
| №4 | 2,845 | 2,433 | 2,160 | 40 | 0,635 |
| №5 | 3,175 | 2,763 | 2,490 | 40 | 0,635 |
| №6 | 3,505 | 2,990 | 2,650 | 32 | 0,793 |
| №8 | 4,166 | 3,650 | 3,310 | 32 | 0,793 |
| №10 | 4,830 | 4,140 | 3,680 | 24 | 1,060 |
| №12 | 5,490 | 4,800 | 4,341 | 24 | 1,060 |
| 1/4 | 6,350 | 5,524 | 4,975 | 20 | 1,270 |
| 5/16 | 7,940 | 7,020 | 6,410 | 18 | 1,411 |
| 3/8 | 9,525 | 8,493 | 7,805 | 16 | 1,590 |
| 7/16 | 11,112 | 9,933 | 9,150 | 14 | 1,814 |
| 1/2 | 12,700 | 11,430 | 10,584 | 13 | 1,950 |
| 9/16 | 14,290 | 12,913 | 12,000 | 12 | 2,120 |
| 5/8 | 15,875 | 14,380 | 13,375 | 11 | 2,310 |
| 3/4 | 19,050 | 17,400 | 16,300 | 10 | 2,540 |
| 7/8 | 22,225 | 20,390 | 19,170 | 9 | 2,822 |
| 1 | 25,400 | 23,340 | 21,963 | 8 | 3,175 |
| 1 1/8 | 28,575 | 26,220 | 24,650 | 7 | 3,630 |
| 1 1/4 | 31,750 | 29,392 | 27,823 | 7 | 3,630 |
| 1 3/8 | 34,925 | 32,174 | 30,342 | 6 | 4,233 |
| 1 1/2 | 38,100 | 35,350 | 33,520 | 6 | 4,233 |
| 1 3/4 | 44,450 | 41,150 | 38,950 | 5 | 5,080 |
| 2 | 50,800 | 47,134 | 44,690 | 4 1/2 | 5,644 |
| 2 1/4 | 57,150 | 53,484 | 51,040 | 4 1/2 | 5,644 |
| 2 1/2 | 63,500 | 59,380 | 56,630 | 4 | 6,350 |
| 2 3/4 | 69,850 | 65,725 | 62,980 | 4 | 6,350 |
| 3 | 76,200 | 72,075 | 69,330 | 4 | 6,350 |
| 3 1/4 | 82,550 | 78,425 | 75,680 | 4 | 6,350 |
| 3 1/2 | 88,900 | 84,775 | 82,030 | 4 | 6,350 |
| 3 3/4 | 95,250 | 91,125 | 88,380 | 4 | 6,350 |
| 4 | 101,600 | 97,475 | 94,730 | 4 | 6,350 |
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| Unified National Coarse | |||||