DR-5D-N :  DR-TWIST indexable square insert drills with coolant holes. Drilling depth 5xD.  
 
 
Drilling   COOLANT 
  Designation
D		 D
maxBy shifting drill center along lathe X-axis
L
L1
L4
d
D3
Th
  DR140-070-20-05-5D-N  14.00  16.10  70.0  88.0  50.0  20.00  25.00  G1/4"
  DR150-075-20-05-5D-N  15.00  16.80  75.0  93.0  50.0  20.00  25.00  G1/4"
  DR160-080-20-05-5D-N  16.00  17.35  80.0  98.0  50.0  20.00  25.00  G1/4"
  DR170-085-20-05-5D-N  17.00  17.98  85.0  103.0  50.0  20.00  25.00  G1/4"
  DR180-090-25-06-5D-N  18.00  19.73  90.0  110.0  56.0  25.00  32.00  G3/8"
  DR190-095-25-06-5D-N  19.00  20.35  95.0  115.0  56.0  25.00  32.00  G3/8"
  DR200-100-25-06-5D-N  20.00  20.98  100.0  120.0  56.0  25.00  32.00  G3/8"
  DR210-105-25-07-5D-N  21.00  23.63  105.0  125.0  56.0  25.00  32.00  G3/8"
  DR220-110-25-07-5D-N  22.00  24.25  110.0  130.0  56.0  25.00  32.00  G3/8"
  DR230-115-25-07-5D-N  23.00  24.88  115.0  135.0  56.0  25.00  32.00  G3/8"
  DR240-120-25-07-5D-N  24.00  25.50  120.0  140.0  56.0  25.00  32.00  G3/8"

Hole tolerance D+0.35/-0.05 in average conditions. However it can be higher or lower according to machine and tooling conditions.
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