9131| 45
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虛心請(qǐng)教螺紋問題 |
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點(diǎn)評(píng)
樓主這內(nèi)徑才42.6
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點(diǎn)評(píng)
你也可以試著找個(gè)地方加工M44*0.75的螺紋,牙型角60度。拿到實(shí)物看看能不能滿足你的要求。
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