EC-B4-R :  4 flute, 45° helix extra-long solid carbide endmills with various corner radii. Used on hardened steel.  
 Hard Materials
 
Shouldering Slotting Ramp down Helical interpolation
  Designation
D
d
r
ap
H
D2
L
Flute
Ha°
Rd°
ShankC-Cylindrical		 fz
(min)		 fz
(max)
  Grade
  EC-B4 10-15C08R.5M130  10.00  8.00  0.50  15.00  19.20  7.50  130.00  4  45.0  5.0  C  0.03  0.10 IC903
  EC-B4 10-15C08R1M130  10.00  8.00  1.00  15.00  19.20  7.50  130.00  4  45.0  5.0  C  0.03  0.10 IC903

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