TAG N-C/W/M :  First choice for the parting of bars, hard materials and tough applications. A positive rake, single cavity (except 7 & 12 mm with double cavity), negative land and shoulders, provides extra cutting-edge strength. Medium-to-high feeds.  
 
 
   Side slotting   Slitting   Ext. Grooving   Parting  
  Designation
W
W±toler
R±0.04		 fg
(min)		 fg
(max)
  Grade
  TAG N4C  4.00  0.05  0.24  0.10  0.30 IC830 IC928 IC808 IC908 IC20 IC807
  TAG N4CB  4.00  0.05  0.40  0.10  0.33 IC830 IC908
  TAG N4M  4.00  0.05  0.24  0.06  0.20 IC830 IC908
  TAG N4W  4.00  0.05  0.24  0.10  0.30 IC830 IC908

The feed values for grade IC20 should be decreased by 50%.
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