TGHN-D :  Double-ended blades for TOP-GRIP utility grooving and turning inserts.  
 
 
Ext. Grooving   Ext. Grooving & Turning   Ext. Profiling  
  Designation
B1
W
min
W
max
T
blmin
T
blade

h1

l1

A
  TGHN 26-3D  26.0  3.00  3.00  10.0  15.0  21.4  110.00  2.40
  TGHN 26-4D  26.0  4.00  5.00  10.0  15.0  21.4  110.00  3.20
  TGHN 26-5D  26.0  5.00  5.00  10.0  20.0  21.4  110.00  4.00
  TGHN 32-3D  32.0  3.00  3.00  10.0  18.0  24.8  150.00  2.40
  TGHN 32-4D  32.0  4.00  5.00  12.0  21.0  24.8  150.00  3.20
  TGHN 32-5D  32.0  5.00  5.00  12.0  26.0  24.8  150.00  4.00
  TGHN 32-6D  32.0  6.00  6.35  16.0  26.0  24.8  150.00  5.20

Use the drilled holes on blade for min. and max. overhang
When using a double-ended insert, grooving depth is limited by the insert.
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