TGMF/P: Utility double-ended inserts for external and internal grooving and turning. Grade : IC830 A 'SUMO TEC' AlTiN+TiN PVD coated grade. Recommended for interrupted cut and heavy operations on stainless steel, high temperature and alloyed steel. 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 : IC808 A hard, fine grain substrate with excellent chipping resistance, combined with a new 'SUMO TEC' TiAlN PVD coating. Provides high wear resistance. 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 : IC908 A hard, fine grain substrate with excellent chipping resistance, combined with a new TiAlN PVD coating. Provides high wear and oxidation resistance. Recommended for a very wide range of materials applications and machining condition