fluted drill

基本解释直槽扩孔钻

网络释义

1)fluted drill,直槽扩孔钻2)four-groove core drill,四槽扩孔钻3)three-groove core drill,三槽扩孔钻4)parallel shank core dril,直柄扩孔钻5)two-flute counterbore,双槽平底扩孔钻6)straight taper shank core drill,直锥柄扩孔钻

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