TDR-C4 3XD : Indexable drills with C-adapter & square inserts & enlarged chip gullet from twist coolant holes in drilling depth 3xD
DR COOLANT-TOP/TDR/TND/HFD                         
  DesignationDL1L2GICATGIREMgiic
  TDR 3160-C4-06 16.0048.088.06181104 0
  TDR 3170-C4-06 17.0051.091.06181105 0
  TDR 3180-C4-06 18.0054.095.06181106 0
  TDR 3190-C4-06 19.0057.098.03202588 0
  TDR 3200-C4-06 20.0060.0103.06181107 0