GEPI-RX/LX : Precision double-ended inserts for internal grooving next to shoulder. Min. bore diameter 11.5 mm.
  GEPI 0.80-0.00RX 0.800.001.501.800.010.026403581 1IC908 
  GEPI 1.00-0.10 LX 1IC528 
  GEPI 1.00-0.10 RX 1IC528 
  GEPI 1.57-0.15RX 1.570.152.001.800.020.056403582 1IC908 

Toolholder seat needs to be modified according to insert profile to ensure clearance
Dmin for internal application=11.5mm

For cutting speed recommendations, click on the required grade number related to specific item geometry