FINE BEAM DTS : Double Tube Drills with Outer 4 Start Thread connection and direct mount inserts, dia= 0.984 - 2.559 inch. Each item represents a diameter range. For a specific head diameter, an order form should be filled out.
  DesignationDCNDCXOALLFDCONMSHOut TubeOut DiaInt TubeInt DiaGICATGIREMgiic
  FNBM-03D .984-1.039 0.98401.03902.8742.7560.8270.748OT030.925IT030.6304841152 0
  FNBM-05D 1.130-1.220 1.13001.22003.0712.9531.0040.945OT051.102IT050.7874841154 0
  FNBM-06D 1.221-1.311 1.22101.31103.2683.1501.1021.024OT061.201IT060.8664841155 0
  FNBM-07D 1.312-1.425 1.31201.42503.6613.5431.1811.102OT071.299IT070.9454841156 0
  FNBM-08D 1.426-1.559 1.42601.55903.8983.7401.2991.181OT081.398IT081.0244841157 0
  FNBM-09D 1.560-1.692 1.56001.69204.0943.9371.4171.260OT091.535IT091.1424841158 0
  FNBM-10D 1.693-1.850 1.69301.85004.0943.9371.5351.417OT101.673IT101.2604841159 0
  FNBM-11D 1.851-2.035 1.85102.03504.4884.3311.6931.496OT111.831IT111.3784841160 0
  FNBM-12D 2.036-2.212 2.03602.21204.7244.5281.8701.811OT122.008IT121.5354841161 0
  FNBM-13D 2.213-2.385 2.21302.38504.7244.5282.0081.969OT132.185IT131.6934841162 0
  FNBM-13D 2.386-2.559 2.38602.55904.7244.5282.0082.126OT132.185IT131.6934841163 0