l 美 制 螺 纹 滚 造 径
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规格
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l 钻孔径
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l NPT
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l NPS
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l 使用绞刀时
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l 不用绞刀时
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1/16 -27
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l 6.1
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l 6.25
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l 6.35
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1/8 -27
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l 8.33
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l 8.43
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l 8.74
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1/4 -18
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l 10.72
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l 11.13
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l 11.13
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3/8 -18
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l 14.27
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l 14.27
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l 14.68
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1/2 -14
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l 17.48
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l 17.86
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l 18.26
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3/4 -14
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l 22.63
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l 23.01
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l 23.42
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1 -11-1/2
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l 28.58
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l 28.98
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l 29.36
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1-1/4-11-1/2
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l 37.31
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l 37.69
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l 38.1
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1-1/2-11-1/2
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l 43.66
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l 44.04
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l 44.45
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2 -11-1/2
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l 55.58
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l 55.96
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l 56.36
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