I
Insert Designation
I
15 05 08
S
R
- -
GM
I
5
6
7
8
9
10
I
I I
Length of the Cutting Edge
Corner Radius Symbol
Cutting Direction
Corner Radius (mm)
Cutting Direction
Symbol
Symbol
O
I
I
02 04 08 12 16 24
R0.2 R0.4 R0.8 R1.2 R1.6 R2.4
R
Right Hand
R
L
Left Hand
I
I
N
Neutral
S
I
I
I
T
I
I
I
Z
I
I
E
I
Thickness of Insert
Type of Cutting Edge
Type of Chip Breaker
E E
I
Appearance
Symbol
Name
Symbol
I
F
s 1
I
GL
GL Breaker
F
F F
GM
GM Breaker
I
Sharp Edge
E
GR HR
T
I Thickness (mm)
GR Breaker
Symbol
E
I
HR Breaker
S F T T
02
2.38
Round Honing
NM SM DM DR DN
NM Breaker
03
3.18
T
SM Breaker
T3
3.97
Chamfer Honing
DM Breaker
04
4.76
T S S
DR Breaker
05
5.56
S
06
6.35
DN Breaker
Combination Honing
S
359
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