ECR-B3-R :  3 flute, 45° helix solid carbide roughing endmills. Used for high stock removal rates on aluminum.  
 Aluminum
 
Shouldering Slotting Ramp down Helical interpolation Counter boring
  Designation
D
d
H
L
Flute
Ha°
Rd°
ap
ShankC-Cylindrical, W-Weldon
r		 fz
(min)		 fz
(max)
  Grade
  ECR-B3 10-12/31C10R02A72  10.00  10.00  31.00  72.00  3  45.0  20.0  12.00  C  0.20  0.05  0.20 IC08
  ECR-B3 10-12/50C10R02A100  10.00  10.00  50.00  100.00  3  45.0  20.0  12.00  C  0.20  0.05  0.20 IC08

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