ERF-A/E-3,4,6 :  3, 4, 6 flute, 30° and 38° helix, fine pitch, medium length solid carbide roughing endmills. Used for maximum stock removal of alloy steel.  
 
 
Shouldering Slotting Ramp down Helical interpolation Counter boring
  Designation
D
d
ap
H
L
Flute
Ha°
Rd°
ShankC-Cylindrical, W-Weldon
Ch		 fz
(min)		 fz
(max)
  Grade
  ERF070E20-3C08  7.00  8.00  20.00  26.00  63.00  3  38.0  5.0  C  0.30  0.03  0.07 IC900
  ERF080E20-3C08  8.00  8.00  20.00  28.00  63.00  3  38.0  5.0  C  0.30  0.03  0.08 IC900

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