
G rade - Q uick G uide Application ranges of Application ranges of G-tolerance positive M-tolerance negative turning inserts turning inserts High speed High speed GT9530 Steel ( > 150) ( > 150) NS9530 T9205 T9215 Medium speed SH725 AH725 Medium speed T9225 T9235 (80 < 150) (80 < 150) Low speed Low speed AH120 J740 AH645 ( < 80) ( < 80) Continuous Light interrupted Heavy interrupted Continuous Light interrupted Heavy interrupted High speed High speed ( > 150) ( > 150) Stainless T6120 T6130 Medium speed Medium speed (80 < 150) SH725 AH725 (80 < 150) Low speed Low speed AH8015 AH645 J740 ( < 80) ( < 80) Continuous Light interrupted Heavy interrupted Continuous Light interrupted Heavy interrupted High speed DX110 High speed Non-ferrous ( > 150) DX120 ( > 150) DX140 Medium speed Medium speed (80 < 150) (80 < 150) KS05F TH10 Low speed TH10 Low speed ( < 80) ( < 80) Continuous Light interrupted Heavy interrupted Continuous Light interrupted Heavy interrupted High speed High speed ( > 150) ( > 150) Superalloy BX480 Medium speed Medium speed (80 < 150) (80 < 150) Low speed AH8005 Low speed AH8005 SH725 AH8015 AH8015 ( < 80) ( < 80) Continuous Light interrupted Heavy interrupted Continuous Light interrupted Heavy interrupted High speed BXA10 High speed BXA10 ( > 150) ( > 150) Hard material BXA20 BXA20 Medium speed Medium speed (80 < 150) (80 < 150) Low speed TH10 Low speed TH10 ( < 80) ( < 80) Continuous Light interrupted Heavy interrupted Continuous Light interrupted Heavy interrupted 1-2