
Selection Guide Chipbreaker Width Range External Insert Width 12 20 11 GROOVE-TURN 10 9 8 7 6 6.35 6.35 5 4 3 3.48 2 2.3 2.39 1 G P F Y N HG-Y M A PA Internal Insert Width 7 6 6.35 6.35 5 4 3 2 2.39 1 P F N HG-Y Suitable Chipbreaker and Required Feed Range for Workpiece Material High Austenitic High Temp. Nonferrous Alloy Steel Cast Iron Stainless Alloys Materials P P P HG-Y HG-Y Y PA* A* Feed Y Y F P P F F PA (finish only) HG N F Low * First Choice 224 224 ISCAR ISCAR