CHAMRING : Drill Holders used with UNISUMOCHAM or UNICHAMDRILL drills for drilling and chamfering in one operation.
  DesignationD minD maxdD3D2L1L4d2GICATGIREMgiic
  CHAMRING 080-WN20-06 7.508.408.0025.0018.8047.450.020.003201154 0
  CHAMRING 090-WN20-06 8.509.409.0025.0019.8047.450.020.003201155 0
  CHAMRING 100-WN32-09 9.5010.4010.0038.0024.9067.360.032.003201143 0
  CHAMRING 110-WN32-09 10.5011.4011.0038.0025.9067.360.032.003201144 0
  CHAMRING 120-WN32-09 11.5012.4012.0038.0026.9067.360.032.003201145 0
  CHAMRING 130-WN32-09 12.5013.4013.0038.0027.9067.360.032.003201146 0
  CHAMRING 140-WN32-09 13.5014.4014.0038.0028.4067.360.032.003201147 0
  CHAMRING 150-WN32-09 14.5015.9015.0038.0029.4067.360.032.003201148 0
  CHAMRING 160-WN32-09 16.0016.9016.0038.0030.4067.360.032.003201149 0
  CHAMRING 170-WN32-09 17.0017.9017.0038.0031.4067.360.032.003201150 0
  CHAMRING 180-WN32-09 18.0018.9018.0038.0032.4067.360.032.003201151 0
  CHAMRING 190-WN32-09 19.0019.9019.0038.0033.4075.060.032.003201152 0
  CHAMRING 200-WN32-09 20.0020.9020.0038.0034.4075.060.032.003201153 0
  CHAMRING 210-WN40-09 21.0021.9021.0050.0035.4084.468.040.003203084 0
  CHAMRING 220-WN40-09 22.0022.9022.0050.0036.4084.468.040.003203085 0
  CHAMRING 230-WN40-09 23.0023.9023.0050.0037.4084.468.040.003203086 0
  CHAMRING 240-WN40-09 24.0024.9024.0050.0038.4084.468.040.003203087 0
  CHAMRING 250-WN40-09 25.0025.9025.0050.0039.4084.468.040.003203088 0

Note: For each Lmin Lmax pair, click on "More Info" in order to see which drill they refer to
Lmin & Lmax dimensions are based on the 45° chamfering insert
It is recommended to apply external coolant on the chamfering inserts. Reduce the recommended feed and speed of the drill being used by 50% when machining maximum chamfer size.
Chamfering angle (a°) depends on the chamfering insert being used