CWh CWh GH730KS05F GradeInsertExt. ToolholderInt. ToolholderThreadingGroovingMiniature toolMilling cutterEndmillDrilling toolTooling SystemUser's GuideIndex A GN RE INSL B P SteelMStainless C K Cast iron N Non-ferrous S SuperalloysHHard materialsCoated : First choice: Second choice D Designation CW+00.1 RE INSL h GN30 3 0.2 zGN4040.2z 10 3.5104 E GN50 5 0.2 z 12 4.5 z: Line up F GE-AL For aluminium and non-ferrous metal G RE INSL H P Steel M Stainless K Cast iron N Non-ferrousSSuperalloysHHard materials : First choice: Second choice I Uncoated Designation CW+00.1 REGE20-AL20.2z INSL h103.5 J GE30-AL 3 0.2 z 10 3.5 GE40-AL 4 0.2 z 10 4 z: Line up K L M Reference pages: Toolholders → F114, Standard cutting conditions → F119 Tungaloy F117