TDR-2.5XD (DIA 51-80) : T-Drill for Big Diameter. Dia.51 to 80
DR COOLANT-TOP/TDR/TND/HFD                         
  DesignationDminDmaxdD3L1L2LsLGICATGIREMgiic
  TDR 2551-53-50T2-07CA-T 51.00053.00050.0075.0133.0170.080250.003201935 0
  TDR 2554-56-50T2-07CA-T 54.00056.00050.0075.0140.0180.080260.003201936 0
  TDR 2557-62-50T2-09CA-T 57.00062.00050.0075.0155.0201.080281.003201887 0
  TDR 2563-66-50T2-09CA-T 63.00066.00050.0075.0165.0215.080295.003201888 0
  TDR 2567-73-50T2-11CA-T 67.00073.00050.0075.0183.0240.080320.003201865 0
  TDR 2574-80-50T2-12CA-T 74.00080.00050.0075.0200.0250.080330.003201889 0