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 ECU-E-3-R :  3 flute undersized slot drill, 38° helix with assorted radii according to DIN 6885. Cutting Conditions Machine Power 
 
 

Shouldering   Helical interpolation   Slotting   Ramp down  
  Designation
D
d
Ap
L
Flut
Ha°
Rd°
Shank
r		   Grade
  ECU038E05-3W06R01L57  3.80  6.00  5.00  57.00  3  38.0  5.00  W  0.10 IC900
  ECU048E06-3W06R02L57  4.80  6.00  6.00  57.00  3  38.0  5.00  W  0.20 IC900
  ECU057E07-3W06R02L57  5.70  6.00  7.00  57.00  3  38.0  5.00  W  0.20 IC900
  ECU077E09-3W08R02L63  7.70  8.00  9.00  63.00  3  38.0  5.00  W  0.20 IC900
  ECU097E11-3W10R03L72  9.70  10.00  11.00  72.00  3  38.0  5.00  W  0.30 IC900
  ECU117E12-3W12R03L83  11.70  12.00  12.00  83.00  3  38.0  5.00  W  0.30 IC900

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