MILLING INSERTS CODE KEY
EXAMPLE 2
R 1
D 2
M 3
W 4
12 5
04 6
M0 8
T 10
BM 12
–
5 Insert Size
Nominal Cutting Edge Length, mm
R
A
Symbol
12
12
13
13.4
16
16.4
16
6 Thickness, inch
7 Corner Radius, inch
8 Cutting Edge Angle
9 Secondary Cutting Edge Clearance Angle
r
Symbol
r
Symbol
s
A
45 0
D
15 0
08
1/32
P
90 0
T3
5/32
G
30 0
M0 round, metric sizes
16
1/16
04
3/16
10 Cutting Edge Preparation
11 Hand of Insert
12 Insert Geometry Designation
E Honed
R
Right-hand
Indicates the machining properties or chipformer features Manufacturer-specific
S Honed T-land
L
Left-hand
T T-land
N
Neutral
92
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