
Turning Insert Code System (ISO) A\
GM
\ 8f
Insert Shape Relief Angle Tolerance Cross Section Type Cutting Edge Length, Height of Cutting Edge Nose Radius (Nose R) Chip Breaker for Turning
Diameter of Inscribed Circle
Insert Shape Relief Angle Cutting Edge Length, Diameter of Inscribed Circle Height of Cutting Edge
v amis QEjOBiaGlGIl GM EJE3 GM f¥lrarafEinm - GM
^
Symbol
<( 80 >
^^
< 55 > A 55’ / T
t t
m 70 A ® Inch
ic
i
t
Metric d(mm )
Specialt ype 03 I 04 I 03 I 06 03
04 I 05 I 04 I 08 I 04
- I 02 I 1.2(5 ) l 3.97
08 I S3 I 1.5(6 ) l 4.76
t
7 t
05 I 06 I 05 I 09 I 05 09 I 03 I 1.8(7 ) ! 5.56 Symbol Height of Cutting Edge(t )
O
06 6.00 Metric Inch mm Inch
06 I 07 I 06 I 11 06 I 11 I 04 I 2 I 6.35
01 1 (2) 1.59 1 /16
Tolerance Cross Section Type 08 | 09 | 07 | 13 07 | 13 | 05 | 2.5 I 7.94
© GM
08
09 I 11 I 09 I 16 I 09 I 16 I 06 3
8.00
I 9.52 5
TO
T1
1.125
1.2
1.79
1.98
9/ 12 8
5 /64
10 10.00 02 1.5 (3) 2. 38 3/32
11 I 13 I 11 I 19 I 11 I 19 I 07 I 3.5 I 11.11 T2 1.75 2. 78 7/64
>.
-
d : Inscribed circle /Y 12 12.00
03 2 3.18 1/8
t : Thickness jT \
m : Refer to figure ( V J L d
\ / \XZ7
12 I 15 I 12 I 22
14 I 17 I 14 I 24
12
14
I 22 I 08 I 4
I 24 I 09 I 4.5
I 12.70
I 1429 T3
04
2.5
3
3.97
4.76
5/32
3/16
d C’Sink 70° ~ 90° -
C’Sink 70° 90° 16 I 19 I 15 I 27 15
16
I 27 I 10 I 5 115.87 5
16.00 05 3.5 5. 56 7/32
(mm) A B C 17 I 21 I 17 I 30 17 I 30 I 11 5.5 I 17.46 1/4
06 4 6.35
Class d m t 19 I 23 I 19 I 33 19 I 33 I 13 6 I 19.05
07 5 7.94 5/16
A ± 0.025 ± 0.005 ± 0.025 20 20.00
C ± 0.025 ± 0.013 ± 0025 22 I 27 I 22 I 38 I 22 I 38 I 15 7 I 22.22 5 09 6 9. 52 3/8
H ± 0.013 ± 0.013 ± 0.025 25 25.00 11 7 11.11 7/16
E
G
± 0.025
± 0,025
± 0.025
± 0.025
± 0 025
± 0.13
\ 7 25 I 31 25 I 44 I 25
32 I 38 I 31 I 54 I 31
I 44 I 17
I 54 I 21
8
10
I 25.40
I 31.75
12 8 12.70 1/ 2
J* --
± 0 05 ± 0.15 ± 0.005 ± 0 025 -
C’Sink 70° 90°
I I I 32 32.00
( ) Symbol for small size insert
K* ± 005 ± 0.15 ± 0.013 ± 0025 F G H
L*
M*
± 0 05 ± 0.15
± 0.05 ± 0.15
-- ± 0.025
-
± 0.08 ± 0.20
± 0.025
± 0.13
( ) Symbol for small size insert
Chip Breaker for T urning
N* ± 005 ± 0.15- -
± 0 08 ± 0.18 ± 0 025
aoEjaoQaoa GM
u* ± 008 ± 0.25- -
± 0.13 ± 0.38 ± 0.13 Nose Radius (Nose R)
* Sides are based on unground insert
-
C’Sink 70° 90°
UIZ7 \ /
Toleran ce on C,E,H ,M,0,P,R,S,T ,W Insert Sha pe (Except ional case)
Toleran ce on d Toleran ce on m J M N
d
J, KL, M, N U M, N U
6.35 ± 0.05 ± 0.08 ± 008 l ± 0.13
^^ £7
9.52 5 ± 0.05 ± 0.08 ± 008 ± 013
12.7 ± 0.08 ± 0.13 ± 0.13 I ± 020
15 87 5
19 ,05
± 0.10
± 0.10
± 0.18
± 0.18
± 015
± 0.15 l
± 0 27
± 0.27
-
C’Sink 40° 60°
\ZZ7 CZ~ 7
C’Sink 40° 60° Metric
Symbol
Inch
Corner Radius
Metric Inch KR ZR MA
25.4 ± 0.13 ± 0.25 ± 018 ± 038 01 0 0.1 0.004
Q R T 02 0.5 0.2 0.008
^^^
04 1 0.4 1/64
Toleran ce on D Insert Sha pe (Except ional case) 08 2 0.8 1/ 32
d Toleran ce on d Toleran ce on m 12 3 1.2 3/64
635 ± 0.05 ± 0.11 Special type 16 4 1.6 1/16 HA HS TM HF
9.52 5
12.7
± 0.05
± 0.08
± 0.11
± 015 -
C’Sink 40° 60°
_ 1
°-
C’Sink 40 60°
20
24
5
6
2.0
2.4
5 /64
3/32
15 87 5 ± 0.10 ± 018 28 7 2.8 7/64 V
19.05 ± 0.10 ± 018 U W X 32 8 3.2 1/ 8
00 Roundinsert (Inch)
M0 Roundinsert (Metric ) HM HR AL SL
079 080