ISO Kodlama Sistemi
W
Basic Form		 N
Clearence Angle		 M
Tolerance Classes 		G
Type of Insert		 06
Length of Cutting Edge 		03
Thickness		 04
Corner Radius		 Edge Condition Direction of Cut
A 85°
B 82°
C 80°
D 55°
E 75°
H 120°
K 55°
L 90°
M 86°
O 135°
P 108°
R --
S 90°
T 60°
V 35°
W 80°
A
B
C
D
E
F
G
N
P
O
Clearence angels where special information is required
Tolerans limitleri
  m s d
A ±0.005 3) ±0.025 ±0.025
C ±0.013 ±0.025 ±0.025
E ±0.025 ±0.025 ±0.025
F ±0.005 3) ±0.025 ±0.13
G ±0.025 ±0.13 ±0.025
H ±0.013 ±0.025 ±0.013
J ±0.005 3) ±0.025 vos ±0.05
bis±0.15
K ±0.013 3) ±0.025 vos ±0.05
bis±0.15
L ±0.025 ±0.025 vos ±0.05
bis±0.15
M vos ±0.08
bis±0.20 		±0.13 vos ±0.05
bis±0.15
U vos ±0.13
bis±0.38		 ±0.13 vos ±0.08
bis±0.25
 
  d m d
M 6.35 ±0.08 ±0.05
9.52 ±0.08 ±0.05
12.7 ±0.13 ±0.08
15.88 ±0.15 ±0.10
19.05 ±0.15 ±0.10
25.4 ±0.18 ±0.13
U 6.35 ±0.13 ±0.08
9.52 ±0.13 ±0.08
12.7 ±0.20 ±0.13
15.88 ±0.27 ±0.18
19.05 ±0.27 ±0.18
25.4 ±0.38 ±0.25
 
Indexable insert with unequal number of sides
Indexable insert with unequal number of sides
3) Generally used for indexable inserts with ground face cutting edges.
A Without chip breaker with cylindrical fixation hole
F Chip breakers at both sides, without fixation hole
G Chip breakers at both sides, with cylindrical fixation hole
M Chip breakers at one side with cylindrical fixation hole
N Without chip breakers, without fixation hole
Q Without chip breakers, with fixation hole conical from both sides
R Chip breakers at one side without fixation hole
T Chip breakers at one side with conical fixation hole
U Chip breakers at both sides, with fixation
hole conical from both sides
W Without chip breakers with conical fixation hole
X With special features to drawing

Indexable inserts with equal sides

For equal-sided, equal-angled and equal-sided, unequal-angled indexable inserts, the measurement for the side lenght is given in mm as the identification code. Figures are the comma affer not included. e.g, forthe side lenghts I = 16.5 mm
(identification code 16):
TPGN 160304

If a single-figure identification code is calculated for the size of the indexable inserts, a 0 is placed in front, e.g. with a side lenght of I = 9.525 mm (identification code 09)
SNGN 090304
A
B
C
E
D
H
K
L
M
O
P
R
S
T
V
W
Round Indexable Inserts

For round indexable inserts, the identification code is given as the diameter in mm.
Unequal-sided Indexable Inserts

For unequal-sided, equal-angled and unequal-sided. unequal-angled indexable inserts, the identification code is always given as the lenght of the primary cutting edge. i.e. the longest cutting edge. For these indexable inserts. the fourth symbol is always an 'X'.
Examples:
06 .... I = 6.350mm.
09 .... I = 9.525mm.
11 .... I = 11.000mm.
12 .... I = 12.700mm.
15 .... I = 15.880mm.
16 .... I = 16.500mm.
19 .... I = 19.050mm.
22 .... I = 22.000mm.
25 .... I = 25.400mm.
27 .... I = 27.500mm.
33 .... I = 33.000mm.
The thickness of the indexable inserts in mm is given as the identification code. Figures after the comma are not included. If a single-figure identification code is calculated for the size of the indexable inserts, a 0 is placed in front, e.g. with a thickness of s = 3.18 mm (identification code 03)
TPGN 160304
Examples:
01 .... s = 1.59mm.
T1 .... s = 1.98mm.
02 .... s = 2.38mm.
03 .... s = 3.18mm.
T3 .... s = 3.97mm.
04 .... s = 4.76mm.
05 .... s = 5.56mm.
06 .... s = 6.35mm.
07 .... s = 7.94mm.
09 .... s = 9.52mm.
12 .... s = 12.70mm.
With rounded corners the identification code for indexable inserts with rounded corners is given as the corner radius in 1/10 mm, If a single-figure identification code is calculated for the size of an indexable insert, a 0 is placed in front, e.g. with a corner radius of r = 0,4mm (identification code 04)
TPGN 160304

Sharp-edged corner configurations and round inserts d-basic measurement in inches converted into mm: Symbol 00 (zero, zero)
Round inserts: Basic measurement in mm: Symbol MQ (M zero).
RCMX 120300
RCMM 1203M0
Examples:
00 .... r = max. 0.2mm.
04 .... r = 0.4mm.±0.1
08 .... r = 0.8mm.±0.1
12 .... r = 1.2mm.±0.1
16 .... r = 1.6mm.±0.1.
20 .... r = 2.0mm.±0.1
24 .... r = 2.4mm.±0.1
25 .... r = 2.5mm.±0.1
F Sharp cutting edges
E Rounded cutting edges
S Chamfered and rounded cutting
edges
T Chamfered cutting edges 
K Double-chamfered cutting edges
P Double-chamfered and rounded cutting edges
L The indexable insert can only be used for cuts to the left
N The indexable insert can be used for cuts either to the left or to the right
R The indexable insert can only be used for cuts to the right