GIMF: Utility single ended grooving and turning inserts with F/Y-type chipformers. Used for deep machining at low to medium feeds. Grade : IC20 Uncoated carbide grade. ISO Range - P/M/K (M10-M25)(K10-K20) ISO Range - H/S/N (H05-H15)(S05-S20)(N05-N25) Grade or Coating Type UN-COATED Coating Layers Uncoated Grade : IC328 ISO Range - P/M/K (P25-P40)(M30-M40) ISO Range - H/S/N (S20-S30) Grade or Coating Type PVD Coating Layers TiCN Grade : IC808 Recommended for a very wide range of materials. ISO Range - P/M/K (P15-P30)(M20-M30) ISO Range - H/S/N (H10-H20)(S10-S25) Grade or Coating Type PVD Coating Layers TiAlN/AlTiN+TiN Grade : IC830 High toughness and wear resistance. ISO Range - P/M/K (P20-P40)(M25-M35) ISO Range - H/S/N (S15-S30) Grade or Coating Type PVD Coating Layers AlTiN+TiN Grade: IC 635 ISO Range - P30 P50