VariTurn ™ Inserts
Catalogue Numbering System
How Do Catalogue Numbers Work?
Each character in our catalogue number signifi es a specifi c
trait of that product. Use the following key columns and
corresponding images to easily identify which attributes apply.
CNMG1204086P
N M G 12
Insert Shape Insert Clearance
Angle Tolerance
Class Insert
Features Size
Hexagon
120°
A
Tolerances apply prior
to edge prep and coating
“Code for mm
cutting edge length
“L10”
N
R
“D”
mm C D R S T V W
3,97 S4 04 03 03 06 – –
4,76 04 05 04 04 08 08 S3
5,56 05 06 05 05 09 09 03
6,00 – – 06 – – – –
6,35 06 07 06 06 11 11 04
7,94 08 09 07 07 13 13 05
8,00 – – 08 – – – –
9,52 09 11 09 09 16 16 06
10,00 – – 10 – – – –
F
O
Octagon
135°
B
A
M
P
Pentagon
108°
G
C
R ε
R ε
R
Round
—
W
T
D
Q
11,11 11 13 11 11 19 19 07
12,00
U
S
Square
90°
E
B
Triangular
60°
14,29 14 17 14 14 24 24 09
15,88 16 19 15 15 27 27 10
H
R ε
T
16,00
C
F
Rhomboid
80°
55°
75°
86°
35°
W Trigon
80°
with enlarged
corner angles
19,05 19 23 19 19 33 33 13
G
D = Theoretical diameter
of the insert inscribed
circle
S = Thickness
B = See fi gures below
20,00
L
A
B
N/K
B108
Parallelogram
85°
82°
55°
– – 20 – – – –
22,22 22 27 22 22 38 38 15
X
V
25,00
Special
Design
– – 25 – – – –
25,40 25 31 25 25 44 44 17
31,75 32 38 31 31 54 54 21
32,00
Rectangular
90°
– – 16 – – – –
17,46 17 21 17 17 30 30 11
J
C
D
E
M
V
– – 12 – – – –
12,70 12 15 12 12 22 22 08
– – 32 – – – –
N
P
Indicated for other
O clearance angles
requiring descriptions.
tolerance
class tolerance
on “D” tolerance
on “B” tolerance
on “S”
C ±0,025 ±0,013 ±0,025
H ±0,013 ±0,013 ±0,025
E ±0,025 ±0,025 ±0,025
G ±0,025 ±0,025
±0,13
M See tables on next page ±0,13
U See tables on next page ±0,13
widia.com
H
C