A/E/S-STFPR/L :  Screw lock boring bars for triangular inserts with 11° clearance. S - Steel shank; A - Steel shank with coolant hole; E - Carbide shank with coolant hole.  
 Right-hand shown
 
Int. 60° triangle 91° approach
  Designation
d
l1
l2
h
h1
f
Ga°		 D
min
D4
Gr°
Coolant		 Shank
m.S-Steel, C-Carbide
  S20R STFPL-16  20.00  200.00  63.0  18.0  10.0  10.2  5  21.50  21.50  0  -  S
  S20R STFPR-16  20.00  200.00  63.0  18.0  10.0  10.2  5  21.50  21.50  0  -  S

(a1) When used with insert TPG. 110204-XL (a2) When used with insert TP.. 110204-..
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