EC-B-4 :  4 flute, 45° helix medium length solid carbide endmills.  
 
 
Shouldering Slotting Ramp down Helical interpolation
  Designation
D

d

ap

L

Flute

Ha°

Rd°

ShankC-Cylindrical, W-Weldon
fz
(min)
fz
(max)

  Grade
  EC080B20-4C08  8.00  8.00  20.00  63.00  4  45.0  5.0  C  0.03  0.09 IC900
  EC090B20-4C09  9.00  9.00  20.00  67.00  4  45.0  5.0  C  0.03  0.09 IC900

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