NegativePositive ISOTURN INSERTS USER GUIDE ISO M- Stainless Steel Finishing Medium Roughing Tight Tight Tight SF M4MW GN F3M TF R3M NF M3M NR VL PP Open Open Open Finishing Medium Tight Tight SM M3M PF SM F3M 14 Open Open First Choice Recommended Carbide Grades Hard Tough IC6015 IC6025 IC830 IC807 M05 M10 M15 M20 M25 M30 M35 125