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 1002J  1.00  0.02  0.16  3.00  21.0  0.02  0.07 IC328 IC1028 IC908
  DGN 1402J  1.40  0.03  0.16  15.00  15.8  0.03  0.12 IC328 IC830 IC1028 IC354 IC308 IC808 IC908
  DGN 1502J  1.50  0.03  0.16  18.00  20.9  0.03  0.12 IC328 IC1028 IC908
  DGN 2002JT  2.00  0.03  0.20  18.00  19.8  0.04  0.14 IC808
  DGN 2200JS  2.20  0.03  0.02  18.00  19.4  0.03  0.08 IC328 IC830
  DGN 2202J  2.20  0.03  0.20  18.00  19.8  0.04  0.12 IC328 IC830 IC1028 IC354 IC5400 IC308 IC808 IC908 IC807 IC20
  DGN 2202JT  2.20  0.03  0.20  18.00  19.8  0.04  0.14 IC830 IC5400 IC808
  DGN 3100JS  3.10  0.04  0.02  18.00  19.7  0.03  0.10 IC328 IC308
  DGN 3102J  3.10  0.04  0.20  18.00  20.1  0.04  0.16 IC328 IC830 IC1028 IC354 IC5400 IC308 IC808 IC908 IC907 IC20
  DGN 3102JT  3.10  0.04  0.20  18.00  20.1  0.05  0.18 IC830 IC5400 IC808 IC907
  DGN 3202J  3.18  0.04  0.20  18.00  21.0  0.04  0.16 IC908
  DGNM 3202J  3.18  0.04  0.20  -No depth limit  20.3  0.04  0.16 IC328 IC354 IC908
  DGN 4003J  4.00  0.04  0.30  -No depth limit  18.9  0.05  0.18 IC328 IC830 IC1028 IC354 IC308 IC808 IC908 IC807 IC20
  DGN 4003JT  4.00  0.04  0.30  -No depth limit  18.9  0.05  0.18 IC830
  DGN 4803J  4.80  0.04  0.30  -No depth limit  20.4  0.05  0.20 IC328
  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
  DGN 6303J  6.35  0.04  0.35  -No depth limit  19.1  0.05  0.25 IC328 IC830 IC1028 IC354 IC808 IC908 IC20
  DGN 6303JT  6.35  0.04  0.35  -No depth limit  19.1  0.05  0.25 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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