6436| 12
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外六角螺栓的公稱直徑與六角頭對(duì)邊的關(guān)系 |
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點(diǎn)評(píng)
從上表得出規(guī)律:外六角開(kāi)口扳手規(guī)格大約是直徑M的1.5倍,。內(nèi)六角扳手規(guī)格大約與直徑差不多,大于M20時(shí),,差別比較大,。
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點(diǎn)評(píng)
這樣更直接。
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