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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. SizePLLUOALGICATGIREMgiic
  DCN 080-096-12R-12D 8.008.4096.012.0016.00111.445.08.01.4697.5156.403202842 0
  DCN 085-102-12R-12D 8.508.90102.012.0016.00117.445.08.01.55103.6162.403316086 0
  DCN 090-108-12R-12D 9.009.40108.012.0016.00123.845.09.01.64109.6168.803202843 0
  DCN 095-114-12R-12D 9.509.90114.012.0016.00129.845.09.01.73115.7174.803310347 0
  DCN 100-120-16R-12D 10.0010.40120.016.0020.00136.248.010.01.82121.8184.203202844 0
  DCN 105-126-16R-12D 10.5010.90126.016.0020.00142.248.010.01.91127.9190.203316087 0
  DCN 110-132-16R-12D 11.0011.40132.016.0020.00148.648.011.02.00134.0196.603202845 0
  DCN 115-138-16R-12D 11.5011.90138.016.0020.00154.648.011.02.09140.1202.603316088 0
  DCN 120-144-16R-12D 12.0012.40144.016.0020.00161.048.012.02.18146.2209.003202753 0
  DCN 125-150-16R-12D 12.5012.90150.016.0020.00167.048.012.02.27152.3215.003203233 0
  DCN 130-156-16R-12D 13.0013.40156.016.0020.00173.648.013.02.37158.4221.603202846 0
  DCN 135-162-16R-12D 13.5013.90162.016.0020.00179.048.013.02.46164.5227.003203234 0
  DCN 140-168-16R-12D 14.0014.40168.016.0020.00188.048.014.02.55170.6236.003202847 0
  DCN 145-174-16R-12D 14.5014.90174.016.0020.00194.048.014.02.64176.6242.003203235 0
  DCN 150-180-20R-12D 15.0015.90180.020.0025.00210.050.015.02.73182.7260.003202848 0
  DCN 160-192-20R-12D 16.0016.90192.020.0025.00217.350.016.02.91194.9267.303260335 0
  DCN 170-204-20R-12D 17.0017.90204.020.0025.00230.950.017.03.09207.1280.903202850 0
  DCN 180-216-25R-12D 18.0018.90216.025.0032.00244.556.018.03.28219.3300.503202851 0
  DCN 190-228-25R-12D 19.0019.90228.025.0032.00258.056.019.03.46231.5314.003202852 0
  DCN 200-240-25R-12D 20.0020.90240.025.0032.00271.656.020.03.64243.6327.603202853 0
  DCN 210-252-25R-12D 21.0021.90252.025.0032.00285.256.021.03.82255.8341.203202854 0
  DCN 220-264-25R-12D 22.0022.90264.025.0032.00298.856.022.04.00268.0354.803202855 0
  DCN 230-276-32R-12D 23.0023.90276.032.0042.00302.460.023.04.19280.2362.403202856 0
  DCN 240-288-32R-12D 24.0024.90288.032.0042.00326.060.024.04.37292.4386.003260336 0
  DCN 250-300-32R-12D 25.0025.90300.032.0042.00339.560.025.04.55304.6399.503202858 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. The HCP drilling head may eliminate the need for a pre-hole.