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 DGN/DGNM-J/JS/JT :  First choice for soft materials, parting of tubes, small diameters and thin-walled parts. General applications on low carbon, alloy and austenitic stainless steel. Low-to-medium feeds. JS - sharp corner. DGNM - single-ended.  
 
 
Parting Ext. Grooving Face Grooving Int. Face Grooving Face Grving Along Shaft
  Designation
W
W±toler
R
Tmax-r		 l
Ref.		 fg
(min)		 fg
(max)
  Grade
  DGN 5003J  5.00  0.04  0.30  -No depth limit  19.0  0.05  0.20 IC328 IC830 IC1028 IC354 IC808 IC908 IC20
  DGN 5003JT  5.00  0.04  0.30  -No depth limit  19.0  0.05  0.20 IC928 IC908

JT chipformer has the basic positive configuration of the J-type and a reinforced negative frontal edge. Most suitable for soft materials at low to medium feeds.
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