GradeInsertExt. ToolholderInt. ToolholderThreadingGroovingMiniature toolMilling cutterEndmillDrilling toolTooling SystemUser's GuideIndex S TA N D A R D CUTTING CONDITIONS A ISO Workpiece material Hardness Priority Grade Cutting speed Vc (m/min) < 300 HB< 300 HB First choiceWear resistanceAH7025, AH725 50 - 180T922580 - 300 B Steels S45C, SCM435, etc. < 300 HB Wear resistance T9125 80 - 200 C45, 34CrMo4, etc. < 300 HB Fracture resistance< 300 HBSuface qualityGH130NS953050 - 12080 - 220 C Stainless steel < 200 HB First choice AH7025, AH725 50 - 120 SUS303, SUS304, etc. X10CrNiS18-9, etc. < 200 HB Fracture resistance GH130 50 - 120 Grey cast ironFC250, etc.250, etc. -- First choiceFracture resistanceT515, AH7025GH130 50 - 18050 - 180 D Ductile cast irons - First choice T515, AH7025 50 - 120 FCD450, etc. 450-10S, etc.Aluminium alloys -- Fracture resistanceFirst choice GH130TH10 50 - 120100 - 500 E Si < 12% - First choice KS05F 100 - 600 Grey cast iron < HRC 40 First choice AH7025 20 - 60 FC250, etc.250, etc. < HRC 40 Wear resistance< HRC 40First choiceAH905AH905 20 - 8020 - 80 F Titanium alloysTi-6Al-4V, etc.< HRC 40 Fracture resistance AH7025, AH725 20 - 80 < HRC 40 Suface qualityHardened steelsSCM435, etc.> HRC 50First choiceKS05FBX36020 - 6080 - 150G SUJ2, etc. *Please see the page F179 - F181 for feed: f (mm/rev). H I J K L M Tungaloy F183