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螺纹规格 | 1/4" | 5/16" | 3/8" | 7/16" | 1/2" | 9/16" | 5/8" | 3/4" | 7/8" | 1 | 1 1/8" | 1 1/4" | 1 3/8" | ||
d | |||||||||||||||
d | 0.25 | 0.3125 | 0.375 | 0.4375 | 0.5 | 0.5625 | 0.625 | 0.75 | 0.875 | 1 | 1.125 | 1.25 | 1.375 | ||
PP | UNC | 20 | 18 | 16 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 7 | 6 | |
UNF | 28 | 24 | 24 | 20 | 20 | 18 | 18 | 16 | 14 | 12 | 12 | 12 | 12 | ||
8UN | - | - | - | - | - | - | - | - | - | - | 8 | 8 | 8 | ||
U | UNC / 最小值 | 0.05 | 0.056 | 0.063 | 0.072 | 0.077 | 0.084 | 0.091 | 0.1 | 0.111 | 0.125 | 0.143 | 0.143 | 0.167 | |
UNC / 最大值 | 0.1 | 0.111 | 0.125 | 0.143 | 0.154 | 0.167 | 0.182 | 0.2 | 0.222 | 0.25 | 0.286 | 0.286 | 0.333 | ||
UNF / 最小值 | 0.036 | 0.042 | 0.042 | 0.05 | 0.05 | 0.056 | 0.056 | 0.063 | 0.072 | 0.084 | 0.084 | 0.084 | 0.084 | ||
UNF / 最大值 | 0.071 | 0.083 | 0.083 | 0.1 | 0.1 | 0.111 | 0.111 | 0.125 | 0.143 | 0.167 | 0.167 | 0.167 | 0.167 | ||
8UN / 最小值 | - | - | - | - | - | - | - | - | - | - | 0.125 | 0.125 | 0.125 | ||
8UN / 最大值 | - | - | - | - | - | - | - | - | - | - | 0.25 | 0.25 | 0.25 | ||
螺纹规格 | 1 1/2" | 1 5/8" | 1 3/8" | 1 7/8" | 2 | 2 1/4" | 2 1/2" | 2 3/4" | 3 | 3 1/4" | 3 1/2" | 3 3/4" | 4 | ||
d | |||||||||||||||
d | 1.5 | 1.625 | 1.75 | 1.875 | 2 | 2.25 | 2.5 | 2.75 | 3 | 3.25 | 3.5 | 3.75 | 4 | ||
PP | UNC | 6 | - | 5 | - | 4 1/2 | 4 1/2 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | |
UNF | 12 | - | - | - | - | - | - | - | - | - | - | - | - | ||
8UN | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | ||
U | UNC / 最小值 | 0.167 | - | 0.2 | - | 0.222 | 0.222 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | |
UNC / 最大值 | 0.333 | - | 0.4 | - | 0.444 | 0.444 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | ||
UNF / 最小值 | 0.084 | - | - | - | - | - | - | - | - | - | - | - | - | ||
UNF / 最大值 | 0.167 | - | - | - | - | - | - | - | - | - | - | - | - | ||
8UN / 最小值 | 0.125 | 0.125 | 0.125 | 0.125 | 0.125 | 0.125 | 0.125 | 0.125 | 0.125 | 0.125 | 0.125 | 0.125 | 0.125 | ||
8UN / 最大值 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
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