American UN (UNC’ UNF’ UNEF) Precision Ground Full Profile Pentagonal External Inserts with a Chipformer(+)

  Designation  TPI  REGrade  Click on Grade No. for Cutting Speed
  PENTA 24-24-UN    24.00.13IC908 
  PENTA 24-20-UN    20.00.16IC908 
  PENTA 24-18-UN    18.00.18IC908 
  PENTA 24-16-UN    16.00.21IC908 
  PENTA 24-14-UN    14.00.23IC908 
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