ECR-B-M/ECR-B-M...R :  4-7 flute, 45° helix medium length (2xd) 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
r
Ch		 fz
(min)		 fz
(max)
  Grade
  ECR-B4M 10-20C10-72  10.00  10.00  20.00  -  72.00  4  45.0  5.0  C  -  0.30  0.03  0.09 IC900
  ECR-B4M 10-20C10-72R1.0  10.00  10.00  20.00  -  72.00  4  45.0  5.0  C  1.00  -  0.03  0.09 IC900

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