EC-H4M-CFR :  4 flute endmills with different helix (35° & 37°) and variable pitch for chatter dampening with assorted radii. Used for very high material removal rates roughing and finishing operations. Full slot milling-up to 2XD.  
 
 
Shouldering Slotting Ramp down Helical interpolation
  Designation
D
d
ap
L
Flute
r
Rd°
ShankC-Cylindrical, W-Weldon		 fz
(min)		 fz
(max)
  Grade
  EC-H4M 06-12C06CFR0.2-57  6.00  6.00  12.00  57.00  4  0.20  5.0  C  0.03  0.06 IC900
  EC-H4M 06-12W06CFR0.2-57  6.00  6.00  12.00  57.00  4  0.20  5.0  W  0.03  0.06 IC900
  EC-H4M 08-16C08CFR0.4-63  8.00  8.00  16.00  63.00  4  0.40  5.0  C  0.03  0.08 IC900
  EC-H4M 08-16W08CFR0.4-63  8.00  8.00  16.00  63.00  4  0.40  5.0  W  0.03  0.08 IC900
  EC-H4M 10-20C10CFR0.5-72  10.00  10.00  20.00  72.00  4  0.50  5.0  C  0.03  0.09 IC900
  EC-H4M 10-20W10CFR0.5-72  10.00  10.00  20.00  72.00  4  0.50  5.0  W  0.03  0.09 IC900
  EC-H4M 12-24C12CFR0.6-83  12.00  12.00  24.00  83.00  4  0.60  5.0  C  0.04  0.10 IC900
  EC-H4M 12-24W12CFR0.6-83  12.00  12.00  24.00  83.00  4  0.60  5.0  W  0.04  0.10 IC900
  EC-H4M 14-28C14CFR0.7-83  14.00  14.00  28.00  83.00  4  0.70  5.0  C  0.04  0.11 IC900
  EC-H4M 14-28W14CFR0.7-83  14.00  14.00  28.00  83.00  4  0.70  5.0  W  0.04  0.11 IC900
  EC-H4M 16-32C16CFR0.8-92  16.00  16.00  32.00  92.00  4  0.80  5.0  C  0.05  0.11 IC900
  EC-H4M 16-32W16CFR0.8-92  16.00  16.00  32.00  92.00  4  0.80  5.0  W  0.05  0.11 IC900
  EC-H4M 20-40C20CFR1.0-104  20.00  20.00  40.00  104.00  4  1.00  5.0  C  0.05  0.11 IC900
  EC-H4M 20-40W20CFR1.0-104  20.00  20.00  40.00  104.00  4  1.00  5.0  W  0.05  0.11 IC900
  EC-H4M 25-50C25CFR1.2-121  25.00  25.00  50.00  121.00  4  1.20  5.0  C  0.06  0.11 IC900
  EC-H4M 25-50W25CFR1.2-121  25.00  25.00  50.00  121.00  4  1.20  5.0  W  0.06  0.11 IC900

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