TDR-DT 4XD : Indexable drills with modular type & square inserts & enlarged chip gullets from twist coolant holes in drilling depth of 4xD
Drilling depth: 4xdiameter
DR COOLANT-TOP/TDR/TND/HFD                         
  DesignationDdD3L1L2GICATGIREMgiic
  TDR 4160-20DT-06 16.0020.0032.0064.084.06181032 0