Sumitomo General Catalog 2025-2026

Turning 80˚ Diamond Negative Inserts

Indexable Insert

CN 80° Diamond Neg. With Hole CN ¢¢ 54 ˜ Dimensions (inch) Cutting Edge Length L .6339 Thickness S .2500 Inscribed Circle IC .6250 Hole Dia. D1 .2500

RE

Information in "Shape" column

IC

EFL

Name of Chipbreaker

.12

Application Range

.08

Recommended Part Material

.04

Chipbreaker Rake Angle

0

.008 .016 .024

10 °

Feed Rate (f) (inch/rev)

S

80°

L

: Interrupted Cutting 1st Recommended : Interrupted Cutting 2nd Recommended

: General Cutting 1st Recommended : General Cutting 2nd Recommended

: Continuous Cutting 1st Recommended : Continuous Cutting 2nd Recommended

P Steel M Stainless Steel K Cast Iron N Non-Ferrous Metal S Exotic Alloy H Hardened Steel

B

Coated Cermet

Coated Carbide

Carbide

Cermet

E12

C5 Applicable Internal Holders

Applicable External Holders

Nose Radius

Application Range

Shape

Sumitomo Cat. No.

ISO Cat. No.

RE

EEX

CNMG543EEX CNMG160612N-EX .0469

Q ●●● FF

QQQQQ QQ

( a p )

.16

.08

( f )

0

16°

.008

.016

EUP

CNMG542EUP CNMG160608N-UP .0313 CNMG543EUP CNMG160612N-UP .0469

Q Q

QQQQQ QQ QQQQQ QQ

F

( a p )

●● ●★

.08 .16 .24

F

( f )

0

10°

.008 .016 .024

EGU

CNMG542EGU CNMG160608N-GU .0313 ●●●●

Q Q Q

QQQQQ QQ QQQQQ QQ QQQQQ QQ

FF

★★ ★●● ●★ ★●● ★★ ★●●

( a p )

0 .08 .16 .24

C

CNMG543EGU CNMG160612N-GU .0469 ●●●● FFF

CNMG544EGU CNMG160616N-GU .0625 ●★★★

FF

( f )

.008 .016 .024

EGE

CNMG542EGE CNMG160608N-GE .0313 ●●●★

Q Q Q

QQQQQ QQ QQQQQ QQ QQQQQ QQ

FF

( a p )

.08 .16 .24

CNMG543EGE CNMG160612N-GE .0469 ●●●★ FFF

D

CNMG544EGE CNMG160616N-GE .0625 ★●★★

FF

( f )

0

.008 .016 .024

EGUW

CNMG543EGUW CNMG160612N-GUW .0469 ●●●●

Q

QQQQQ QQ

FF

( a p )

R

0 .08 .16 .24

Ž B134

( f )

0 °

Wiper

.008 .016 .024

EUX

CNMG542EUX CNMG160608N-UX .0313 ●●●★ FFF CNMG543EUX CNMG160612N-UX .0469 ●●●● FFF

Q Q Q

QQQQQ QQ QQQQQ QQ QQQQQ QQ

( a p )

S

.08 .16 .24

CNMG544EUX CNMG160616N-UX .0625 ●★★★

FF

( f )

0

0 °

.008 .016 .024

ENG

CNMG542ENG CNMG160608N-UG .0313 CNMG543ENG CNMG160612N-UG .0469 CNMG544ENG CNMG160616N-UG .0625

Q Q Q

QQQQQ QQ QQQQQ QQ QQQQQ QQ

FF FF

●●● ●●●

( a p )

T

0 .08 .16 .24

F

★★

( f )

.008 .016 .024

EEG

CNMG542EEG CNMG160608N-EG .0313 ★★★● ●●● CNMG543EEG CNMG160612N-EG .0469 ★★●★ ●●● F CNMG544EEG CNMG160616N-EG .0625 ★★★★ ●●●

Q ●●● FF Q ●●● FF Q ★★★ FF

QQQQQ QQ QQQQQ QQ QQQQQ QQ

( a p )

V

.08 .16 .24

( f )

0

.008 .016 .024

0 °

W

CNMA542 CNMA543 CNMA544

CNMA160608 CNMA160612 CNMA160616

★★★ F Q ●●● F Q ★●● F Q

QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ

.0313 .0469 .0625

Q

EMU

CNMG542EMU CNMG160608N-MU .0313 ●●●● FFF CNMG543EMU CNMG160612N-MU .0469 ●●●● FFF ● F CNMG544EMU CNMG160616N-MU .0625 ●●●● FFF ● F

Q ●●● FF Q ●●● FF Q ★★● FF

( a p )

0 .08 .16 .24

( f )

.008 .016 .024

EEM

CNMG542EEM CNMG160608N-EM

Q ★★●

.0313 ★★★● ★●●

( a p )

.08 .16 .24

CNMG543EEM CNMG160612N-EM .0469 ★●●● ●●● CNMG544EEM CNMG160616N-EM .0625 ★●★★ ●●●

Q ●●● FF

Q ●●★

F

( f )

0

0 °

.008 .016 .024

EME

CNMG542EME CNMG160608N-ME .0313 ●●●● FFF CNMG543EME CNMG160612N-ME .0469 ●●●● FFF CNMG544EME CNMG160616N-ME .0625 ★●●★ FFF

Q Q Q

★●● ●●● ★●●

( a p )

.16 .32 .24 .08

( f )

0

.016

.032

B26

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