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°

O Octagon B

135°

P Pentagon C

108°

R Round D

S Square E

90°

T Triangular F

60°

C Rhomboid D 80°

E 55° G

75°

M

86° V 35° Trigon

W 80° N

with enlarged corner angles

L Rectangular P

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”

mm C D R S T V W

F 3,97 S4 04 03 03 06 — — A 4,76 04 05 04 04 08 08 S3 5,56 05 06 05 05 09 09 03 M 6,00 — — 06 — — — — G 6,35 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 — — — — Q 11,11 11 13 11 11 19 19 07 12,00 — — 12 — — — — U 12,70 12 15 12 12 22 22 08 B 14,29 14 17 14 14 24 24 09 15,88 16 19 15 15 27 27 10 H 16,00 — — 16 — — — — 17,46 17 21 17 17 30 30 11 C 19,05 19 23 19 19 33 33 13 J 20,00 — — 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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