ECR-B-S :  4-7 Flute, 45° Helix, Short Length (1xD) Solid Carbide Roughing Endmills 4-7 flute, 45° helix, short length (1xd) solid carbide roughing endmills. Used for high stock removal rates.  
 
 
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
  ECR-B7S 20-20C20-104  20.00  20.00  20.00  -  104.00  7  45.0  5.0  C  0.40  0.05  0.11 IC900

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