打洞刀的用法： 像鑽頭一樣直接向下加工，刀體會跟工件產生干涉，容易造成刀體損壞。 正確的使用方法，必須是斜向加工模式。 尤其在車床使用時，更要特別注意。
打洞刀使用重點:斜向加工，軟性材料纏屑不再!
打洞刀的用法： 像鑽頭一樣直接向下加工，刀體會跟工件產生干涉，容易造成刀體損壞。 正確的使用方法，必須是斜向加工模式。 尤其在車床使用時，更要特別注意。
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