CN80°Diamond TypeRE
IC
Grade Selection GuideA2
Negative
Chipbreaker Selection GuideFrom B8

With Insert Hole Material-based Grade Selection Guide From A8

80° L S

(Legend) : 1st choice : 1st choice : 1st choice

Continuous cut Medium cut Interrupted cut

: 2nd choice : 2nd choice : 2nd choice

CN¢¢1204˜˜ P Steel M Stainless steel B K Cast iron N Non-ferrous metal

  • L : 12.9● S : 4.76S Exotic alloy

H Hardened steel

● IC : 12.7● D1 : 5.16Coated carbideCoated CermetCarbide
cermet
SUMIBORON (CBN) Inserts L28–SUMIDIA (PCD) Inserts M10Ceramic Inserts B128
Applicable External Holders C7, 8Applicable Internal Holders E23–E25
ShapeCat. No.RE
CC

SE ( ) D D D D Q Q Q D DD D

pCNMG 120404N-SE0.4
6
120408N-SE0.8D D D DQQQ DDD D
4
120412N-SE1.2D D D DQQQ Q Q QQ QQ
2
120416N-SE1.6QQQ Q Q QQ QQ
0( )
0.20.4 0.6D
SEW

p D D D Q Q Q D D

4 CNMG 120404N-SEW 0.4

120408N-SEW0.8D D DQD Q Q D
2D D DQQ Q Q Q Q QQ Q
120412N-SEW1.2
B18R
Wiper 0( )
0.5 0.8 0.2
EF
pD D D DDDD Q DDD DDD QD D Q Q Q Q QQ Q
2CNMG 120404N-EF0.4
120408N-EF0.8D D D DDDD Q DDD DDD QD D Q Q Q Q QQ Q
1D D D DQQ DDD Q Q Q Q QQ Q
120412N-EF1.2S
20°0( )
0.2 0.4
EF
pQ Q QDDD Q DDD DDDD D Q Q Q QQ Q
2CNGG 120402N-EF0.2
120404N-EF0.4Q Q QDDD Q DDD DDDD D Q Q Q QQ Q
1Q Q QDDD Q DDD DDDD D Q Q Q QQ Q
120408N-EF0.8T
20°0( )
0.2 0.4
SX( p)
CNMG 120404N-SX0.4D D D DQD Q Q D D
2D D D DQD Q Q D D
120408N-SX0.8
1 120412N-SX1.2D D D DQQ Q Q Q Q QQ Q
V
0( )
0.2 0.4
EXD D D D DDDQ DDD DDD Q DD Q Q Q QQ QQ
pCNMG 120404N-EX0.4
3 120408N-EX0.8D D D D DDDQ DDD DDD Q DD Q Q Q QQ QQ
2D D D D DDDQ DDD DDD Q DD Q Q Q QQ QQ
120412N-EX1.2W
1
( ) 120416N-EX1.6QQ Q Q Q Q QQ Q
0

16° 0.2 0.4

UP ( )

p D D D D DDD Q DDD DDD Q DD Q Q Q QQ Q D Q

4 CNMG 120404N-UP 0.4

3 120408N-UP0.8DDD D D DDDQ DDD DDD Q DD Q Q Q QQ QDQ
2DDD DDDDQ DDD DDD Q DD Q Q Q QQ QDQ
1 120412N-UP1.2
0( )( )

10° 0.2 0.4 0.6

GU ( ) D D D D D D D D DDD Q DDD Q DD Q D D

pCNMG 120404N-GU0.4
6
120408N-GU0.8D D D D D D D D DDDQD DDD Q DD Q D
4
120412N-GU1.2D D D D D D D D DDDQDDD Q DD Q
2
120416N-GU1.6D D D QQ Q
0( )

7° 0.2 0.4 0.6

GE ( ) D D D D Q Q Q Q Q QQ Q Q

pCNMG 120404N-GE0.4
6
120408N-GE0.8D D D DQQQ Q Q QQ QQ
4
120412N-GE1.2D D D DQQQ Q Q QQ QQ
2
120416N-GE1.6D D D DQQQ Q Q QQ QQ
0( )
0.20.4 0.6
GUW

p D D D Q Q Q Q Q QQ Q Q

6 CNMG 120408N-GUW 0.8

4 120412N-GUW 1.2 D D D Q Q Q Q Q QQ Q Q

  • 2

B18

0° 0 ( )

Wiper 0.2 0.4 0.6

UX ( ) D D D D Q Q Q Q Q QQ Q Q

pCNMG 120404N-UX0.4
6
120408N-UX0.8D D D DQQQ Q Q QQ QQ
4
120412N-UX1.2D D D DQQQ Q Q QQ QQ
2
120416N-UX1.6D D D DQQQ Q Q QQ QQ
0( )

0° 0.2 0.4 0.6