GDMY (full radius) :  Utility, double-ended inserts. Used for heavy-duty turning, profiling and grooving. Maximum machining depth is 25 mm.  
 
 
Ext. Grooving Ext. Profiling Int. Grooving Int. Profiling Face Grooving Face Grving Along Shaft Face Grooving & Turning
  Designation
W±0.05

R±0.05

M
D1
min

Tmax-r

Tmax-a
ap
(min)
ap
(max)
ft
(min)
ft
(max)
fg
(min)
fg
(max)

  Grade
  GDMY 840  8.00  4.00  5.6  50.0  25.00  25.00  0.00  4.00  0.32  0.67  0.18  0.34 IC830 IC635 IC354 IC8250 IC808 IC806 IC20 IC428 IC5010
  GDMY 1050  10.00  5.00  7.6  50.0  25.00  25.00  0.00  5.00  0.35  0.78  0.22  0.40 IC908

Can cut arcs to 250°
Dmin for internal machining = 65 mm
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