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螺紋代號(hào) | 基本尺寸 | 大徑 | 螺距 | 每英寸牙數(shù) | 中徑 | 小徑 | 牙型高度 | 底孔尺寸 |
mm | mm | tpi | mm | 外螺紋 | H1 | mm | ||
d=D | p | d2=D2 | d3 | |||||
G 1/8 | 1/8" | 9.728 | 0.907 | 28 | 9.147 | 8.566 | 0.581 | 8.7 |
G 1/4 | 1/4" | 13.157 | 1.337 | 19 | 12.301 | 11.445 | 0.856 | 11.6 |
G 3/8 | 3/8" | 16.662 | 1.337 | 19 | 15.806 | 14.95 | 0.856 | 15 |
G 1/2 | 1/2" | 20.955 | 1.814 | 14 | 19.793 | 18.631 | 1.162 | 19 |
G 5/8 | 5/8" | 22.911 | 1.814 | 14 | 21.749 | 20.587 | 1.162 | 20.75 |
G 3/4 | 3/4" | 26.441 | 1.814 | 14 | 25.279 | 24.117 | 1.162 | 24.5 |
G 7/8 | 7/8" | 30.201 | 1.814 | 14 | 29.039 | 27.877 | 1.162 | 28 |
G 1 | 1" | 33.249 | 2.309 | 11 | 31.77 | 30.291 | 1.479 | 30.5 |
G 1 1/8 | 1 1/8" | 37.897 | 2.309 | 11 | 36.418 | 34.939 | 1.479 | 35 |
G 1 1/4 | 1 1/4" | 41.91 | 2.309 | 11 | 40.431 | 38.952 | 1.479 | 39.5 |
G 1 3/8 | 1 3/8" | 44.323 | 2.309 | 11 | 42.844 | 41.365 | 1.479 | 41.5 |
G 1 1/2 | 1 1/2" | 47.803 | 2.309 | 11 | 46.324 | 44.845 | 1.479 | 45 |
G 1 3/4 | 1 3/4" | 53.746 | 2.309 | 11 | 52.267 | 50.788 | 1.479 | 51 |
G 2 | 2" | 59.614 | 2.309 | 11 | 58.135 | 56.656 | 1.479 | 57 |
G 2 1/4 | 2 1/4" | 65.71 | 2.309 | 11 | 64.231 | 62.752 | 1.479 | 63 |
G 2 1/2 | 2 1/2" | 75.184 | 2.309 | 11 | 73.705 | 72.226 | 1.479 | 72.5 |
G 2 3/4 | 2 3/4" | 81.534 | 2.309 | 11 | 80.055 | 78.576 | 1.479 | 79 |
G 3 | 3" | 87.884 | 2.309 | 11 | 86.405 | 84.926 | 1.479 | 85.5 |
G 3 1/4 | 3 1/4" | 93.98 | 2.309 | 11 | 92.501 | 91.022 | 1.479 | 91 |
G 3 1/2 | 3 1/2" | 100.33 | 2.309 | 11 | 98.351 | 97.372 | 1.479 | 97.75 |
G 3 3/4 | 3 3/4" | 106.68 | 2.309 | 11 | 105.201 | 103.722 | 1.479 | 104 |
G 4 | 4" | 113.03 | 2.309 | 11 | 111.55 | 110.072 | 1.479 | 110.5 |
G 4 1/2 | 4 1/2" | 125.73 | 2.309 | 11 | 124.251 | 122.772 | 1.479 | 123 |
G 5 | 5" | 138.43 | 2.309 | 11 | 136.951 | 135.472 | 1.479 | 136 |
G 5 1/2 | 5 1/2" | 151.13 | 2.309 | 11 | 149.651 | 148.172 | 1.479 | 148.5 |
G 6 | 6" | 163.83 | 2.309 | 11 | 162.351 | 160.872 | 1.479 | 161.5 |
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