Grade - Quick Guide

Application ranges of Application ranges of

G-tolerance positive M-tolerance negative

turning inserts turning inserts

High speedHigh speedGT9530GT9530
( > 150)( > 150)NS9530NS9530 T9205T9205
SteelT9215T9215
Medium speedSH725SH725Medium speed AH725AH725T9225T9225T9235T9235
(80 < 150)(80 < 150)
Low speedJ740J740Low speedAH120AH120
AH645AH645
( < 80)( < 80)
ContinuousLight interrupted Heavy interruptedContinuous Light interrupted Heavy interrupted

High speed High speed

( > 150) ( > 150) T6120T6120 T6130T6130

Stainless Medium speed Medium speed SH725SH725 AH725AH725 (80 < 150) (80 < 150)

AH8015AH8015 AH645AH645

Low speedJ740J740Low speed
( < 80)( < 80)

Continuous Light interrupted Heavy interrupted Continuous Light interrupted Heavy interrupted

High speedDX110DX110High speed
( > 150)DX120DX120( > 150)
Non-ferrousDX140DX140
Medium speedMedium speed
(80 < 150)KS05FKS05F(80 < 150)
TH10TH10
Low speedTH10TH10Low speed
( < 80)( < 80)

Continuous Light interrupted Heavy interrupted Continuous Light interrupted Heavy interrupted

High speed High speed ( > 150) ( > 150) Superalloy BX480BX480 Medium speed Medium speed (80 < 150) (80 < 150)

AH8005AH8005 AH8005AH8005

Low speedSH725SH725AH8015AH8015Low speedAH8015AH8015
( < 80)( < 80)
ContinuousLight interrupted Heavy interruptedContinuousLight interrupted Heavy interrupted
High speedBXA10BXA10High speedBXA10BXA10
( > 150)( > 150)
HardBXA20BXA20BXA20BXA20

material Medium speed Medium speed (80 < 150) (80 < 150) TH10TH10 TH10TH10

Low speed Low speed ( < 80) ( < 80)

Continuous Light interrupted Heavy interrupted Continuous Light interrupted Heavy interrupted