DSM-1.5D (10.0-19.9mm 1.5xD) :  CHAMDRILLJET 1.5xD drills with indexable heads and internal coolant holes. Feature 4 standard drilling head types for drilling on 4 different material groups.  
 
 
Drilling  
  Designation D
minDo not mount smaller drilling heads than specified range for drill body.		 D
max
L
d
L1
L4		 Po.
Size
  DSM 180-027-25B-1.5D  18.00  18.90  27.0  25.00  53.4  56.0  18.0
  DSM 190-029-25B-1.5D  19.00  19.90  29.0  25.00  56.2  56.0  19.0

Hole tolerance: D+0.02 in average conditions. However, it can be higher or lower according to machine and tooling conditions.
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