EC-E4L-CF :  4 flute, 38° helix with variable pitch for roughing and finishing operations. High material removal rates chatter free. Used for machining alloyed and stainless steel, titanium and exotic materials. Full slot milling - up to 3XD.  
 
 
Shouldering Slotting Ramp down Helical interpolation Counter boring Plunging & recessing
  Designation
D
d
ap
H
L
Flute
Ha°
Rd°
ShankC-Cylindrical, W-Weldon
Ch		 fz
(min)		 fz
(max)
  Grade
  EC-E4L 20-42/60C20CF110  20.00  20.00  42.00  60.00  110.00  4  38.0  5.0  C  0.60  0.05  0.17 IC300 IC900

IC300 should be mainly used for machining exotic materials.
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