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SW異型孔向導里沒有GB70.3沉頭螺釘孔? |
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點評
說的多清楚,從K值上看,十字槽沉頭螺釘與內六角沉頭螺釘一致,所以適合十字槽沉頭螺釘的沉頭孔也適合內六角沉頭螺釘的孔,OK,明白了嗎,莫非你根本看過沉頭螺釘的規格尺寸表嗎
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