DCM-3.5D (7.5-20.9 mm) :  UNICHAMDRILL indexable head drills without a flange and one flat shank type. 3.5xD drilling depth.  
 
 
Drilling COOLANT
  Designation D
minDo not mount smaller drilling heads than specified range for drill body.
D
max

L

d

L1

L4
Po.
Size
  DCM 115-038-12B-3.5D  11.50  11.90  38.0  12.00  48.6  43.0  11.0
  DCM 120-042-12B-3.5D  12.00  12.40  42.0  12.00  50.8  43.0  12.0

Drill tolerance: k7
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