Thread milling tool having helical flutes

Thread milling tool having helical flutes

  • CN 1,404,426 A
  • Filed: 02/14/2001
  • Published: 03/19/2003
  • Est. Priority Date: 02/23/2000
  • Status: Abandoned Application
First Claim
Patent Images

1. , a kind of thread milling tool comprises:

  • A near-end shank;

    A far-end cutting portion, this cutting portion comprises at least one thread milling tooth;

    WithThe chip area of at least one spiral orientation of determining on described cutting portion, wherein;

    described helical flute is to be limited by the helical angle that is at least 20 °

    .

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