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螺紋稱呼 | 每寸螺紋數(TPI) | 螺距Pitch | 螺紋大徑D(mm) | 螺紋小徑d(mm) |
---|---|---|---|---|
5/16 UNF | 24 | 1.058 | 7.938 | 6.792 |
3/8 UNF | 24 | 1.058 | 9.525 | 8.379 |
7/16 UNF | 20 | 1.27 | 11.113 | 9.738 |
1/2 UNF | 20 | 1.27 | 12.7 | 11.325 |
9/16 UNF | 18 | 1.411 | 14.288 | 12.559 |
5/8 UNF | 18 | 1.81 | 15.875 | 14.348 |
3/4 UNF | 16 | 1.5875 | 19.05 | 17.331 |
1 UNF | 12 | 2.1167 | 25.4 | 23.1 |
1.1/16 UNF | 12 | 2.1167 | 26.988 | 24.695 |
1.5/16 UNF | 12 | 2.1167 | 33.338 | 31.046 |
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