DCN R-12D : SUMOCHAM 12xD drills with indexable heads, cylindrical shanks and internal coolant holes. Feature 4 standard drilling head types for drilling on 4 different material groups.
COOLANT THROUGH TOOL 
  DesignationD min D maxLdD3L1L4Po. SizeGICATGIREMgiic
  DCN 095-114-12R-12D 9.509.90114.012.0016.00129.845.09.03310347 0
  DCN 100-120-16R-12D 10.0010.40120.016.0020.00136.248.010.03202844 0
  DCN 110-132-16R-12D 11.0011.40132.016.0020.00148.648.011.03202845 0
  DCN 120-144-16R-12D 12.0012.40144.016.0020.00161.048.012.03202753 0
  DCN 125-150-16R-12D 12.5012.90150.016.0020.00167.048.012.03203233 0
  DCN 130-156-16R-12D 13.0013.40156.016.0020.00173.648.013.03202846 0
  DCN 135-162-16R-12D 13.5013.90162.016.0020.00179.048.013.03203234 0
  DCN 140-168-16R-12D 14.0014.40168.016.0020.00188.048.014.03202847 0
  DCN 145-174-16R-12D 14.5014.90174.016.0020.00194.048.014.03203235 0
  DCN 150-180-20R-12D 15.0015.90180.020.0025.00210.050.015.03202848 0
  DCN 160-192-20R-12D 16.0016.90192.020.0025.00217.350.016.03260335 0
  DCN 170-204-20R-12D 17.0017.90204.020.0025.00230.950.017.03202850 0
  DCN 180-216-25R-12D 18.0018.90216.025.0032.00244.556.018.03202851 0
  DCN 190-228-25R-12D 19.0019.90228.025.0032.00258.056.019.03202852 0
  DCN 200-240-25R-12D 20.0020.90240.025.0032.00271.656.020.03202853 0
  DCN 210-252-25R-12D 21.0021.90252.025.0032.00285.256.021.03202854 0
  DCN 220-264-25R-12D 22.0022.90264.025.0032.00298.856.022.03202855 0
  DCN 230-276-32R-12D 23.0023.90276.032.0042.00302.460.023.03202856 0
  DCN 240-288-32R-12D 24.0024.90288.032.0042.00326.060.024.03260336 0
  DCN 250-300-32R-12D 25.0025.90300.032.0042.00339.560.025.03202858 0

Prior to using the 12xD drill, it is recommended to drill a pre-hole by using a DCN 1.5xD drill or a centering drill.