TURNING INSERTS CODE KEY | ANSI DESIGNATION
EXAMPLE 2
V 1
C 2
G 3
T 4
3 5
3 6
1 7
GP 9
–
8
4 Insert Type
With hole, Pin / Top Clamp Double-sided
G
With hole, Screw-down Clamping Single-sided
T
X
Manufacturer-Specific Design
5 Insert Size Inscribed Circle, d, inch
6 Thickness, inch
7 Nose Radius, inch
r
Symbol indicates number of 1/64ths of an inch
Symbol indicates number of 1/16ths of an inch
Symbol indicates number of 1/8ths of an inch
Symbol
d
Symbol
r
Symbol
s
1.8
7/32
0.5
.008
1.5
3/32
2
1/4
1
1/64
2
1/8
3
3/8
2
1/32
2.5
5/32
4
1/2
3
3/64
3
3/16
5
5/8
4
1/16
4
1/4
6
3/4
9 Chipbreaker Designation
8 Hand of Insert (optional)
Indicates the machining properties or chipbreaker features Manufacturer-specific
R
Right-hand
L
Left-hand
65
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