CODE KEY | G-NOTCH
G 1 G 1
N G 2 N T 2
P 3 P 3
2 4 2 4
0 6 R 6
4 7 5
7 8
R 6
1
1
1 Insert Type
2 Insert Style
GN
G-NOTCH Grooving System
G
Grooving
T
Threading - 60° V-form
3 Insert Characteristics
4 Insert Size
P
Positive Rake
2
Notch size 2
5 Grooving Width
3
Notch size 3
6 Hand of Insert
W
R
Right-hand
Symbol indicates width W in thousandths of an inch
L
Left-hand
Symbol
W (inch)
047
.047
062
.062
078
.078
094
.094
125
.125
73
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