ISO Turning InsertsTurning ISO Turning Inserts Turning Insert Chip Breakers Turning Insert Chip Breakers .Positive ap (mm) MG / MP SM / SG AG / FG / XF / YF fn (mm/rev) Finishing Semi-finishing Medium .Negative ap (mm) RK / RG / RP / HG MP / ME SM / SP FG / FP fn (mm/rev) Finishing Semi-finishing Medium Roughing C004