S-PTFNR/L :  91° lead angle lever lock face boring bars for negative triangular inserts.  
 Right-hand shown
 
Int. 60° triangle 91° approach  
  Designation
d
l1
l2
h
h1
f
Ga°
Gr°		 D
min
R/L
  S25S PTFNL-16  25.00  250.00  48.0  23.0  11.5  17.0  -6  -13  32.50  L
  S25S PTFNR-16  25.00  250.00  48.0  23.0  11.5  17.0  -6  -13  32.50  R

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