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擴孔鉆


擴孔鉆一般用于孔的半精加工或終加工,加工時導向效果好,軸向抗力小,切削條件優于鉆孔。刀體強度高,可長期使用;具有轉換刀片方便、刀具消耗費用低的特點??梢约庸ぬ间?、高強度合金鋼、不銹鋼等多種材料。

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擴孔鉆

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擴孔鉆


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