EC-A-4 :  4 flute, 30° 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
  EC075A20-4C08  7.50  8.00  20.00  63.00  4  30.0  5.0  C  0.03  0.08 IC900
  EC080A20-4C08  8.00  8.00  20.00  63.00  4  30.0  5.0  C  0.03  0.09 IC08 IC300 IC900

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