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 20-17/53W20R02A104  20.00  20.00  53.00  104.00  3  45.0  20.0  17.00  W  0.20  0.07  0.25 IC08
  ECR-B3 20-22/80W20R02A150  20.00  20.00  80.00  150.00  3  45.0  20.0  22.00  W  0.20  0.07  0.25 IC08

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