WNMA : Negative 80° Trigon inserts without chip former for roughing of cast irons
  DesignationdtrGICATGIREMgiicTough ‹————› Hard
Grade
  WNMA 060408 9.524.760.805523856 2TT7015 TT7005 
  WNMA 060412 9.524.761.205523875 1TT7005