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.

CNMG120408UR

CNMG12
Insert ShapeInsert ClearanceToleranceInsertSize
AngleClassFeatures

Hexagon

H A

120°

OOctagonB
135°
PPentagonC
108°
RRoundD
SSquareE
90°
TTriangularF

60°

C Rhomboid D 80°

E 55° G

75° M 86° V 35°

Trigon

W80°N
with enlarged
corner angles
LRectangularP

90°

A Parallelogram Indicated for other

B 85° O

clearance angles 82° N/K requiring descriptions. 55°

Tolerances apply prior to edge prep and coating

ε ε R R

ε

R

D = Theoretical diameter of the insert inscribed circle S = Thickness B = See fi gures below

tolerance class C H E G M U

Code for mm N cutting edge length “L10” R “D”

W V T S R D C mm
F
3,97 S4 04 03 03 06 — —
A4,76 04 05 04 04 08 08 S3
5,56 05 06 05 05 09 09 03
M
6,00 — — 06 — — — —
G6,35 06 07 06 06 11 11 04

7,94 08 09 07 07 13 13 05 W 8,00 — — 08 — — — — 9,52 09 11 09 09 16 16 06

T 10,00 — — 10 — — — —

Q11,11 11 13 11 11 19 19 07
12,00 — — 12 — — — —
U
12,70 12 15 12 12 22 22 08
B14,29 14 17 14 14 24 24 09
15,88 16 19 15 15 27 27 10
H16,00 — — 16 — — — —
17,46 17 21 17 17 30 30 11
C
19,05 19 23 19 19 33 33 13
J20,00 — — 20 — — — —

22,22 22 27 22 22 38 38 15 X Special 25,00 — — 25 — — — — V Design

25,40 25 31 25 25 44 44 17 31,75 32 38 31 31 54 54 21 32,00 — — 32 — — — —

tolerancetolerancetolerance
on “D”on “B”on “S”
±0,025±0,013±0,025
±0,013±0,013±0,025
±0,025±0,025±0,025
±0,025±0,025±0,013

See tables on next page ±0,013 See tables on next page ±0,013

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