EC-A4 :  4 flute, 30° helix medium length solid carbide endmills. Used for hard materials up to 65 HRc.  
 Hard Materials
 
Shouldering Slotting Ramp down Helical interpolation
  Designation
D
d
ap
L
Flute
Ha°
Rd°
ShankC-Cylindrical		 fz
(min)		 fz
(max)
  Grade
  EC-A4 140-26C14-83  14.00  14.00  26.00  83.00  4  30.0  5.0  C  0.04  0.12 IC903

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