Sumitomo General Catalog 2025-2026

Turning Square Negative Inserts

Indexable Insert

SN Square Neg. With Hole SN ¢¢ 43 ˜ Dimensions (inch) Cutting Edge Length L .5000 Thickness S .1875 Inscribed Circle IC .5000 Hole Dia. D1 .2031

IC RE

Grade Selection

A2, A3

Chipbreaker Selection B10 on Insert Grade Selection by Part Material

A10 on

L

S

90°

: 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

L62

M27

SUMIBORON (CBN) Inserts

SUMIDIA Binderless Inserts

Coated Cermet

Coated Carbide

Carbide

Cermet

M16

B131

SUMIDIA (PCD) Inserts

Ceramic Inserts

E20

C14

Applicable Internal Holders

Applicable External Holders

Nose Radius

Application Range

Shape

Sumitomo Cat. No.

ISO Cat. No.

RE

SNMG432EMU SNMG120408N-MU .0313 ●●●● FFF ● F SNMG433EMU SNMG120412N-MU .0469 ★★●● FFF ● F

Q ★●● Q ●●●

F ● QQQQQ QQ F ★ QQQQQ QQ

EMU

( a p )

.08 .16 .24

SNMG434EMU SNMG120416N-MU .0625 ★★●●

Q

QQQQQ QQ

FF

( f )

0

.008 .016 .024

EEM

SNMG432EEM SNMG120408N-EM SNMG433EEM SNMG120412N-EM

Q ★●● Q ★●●

QQQQQ QQ QQQQQ QQ

( a p )

.0313 ★★●● ★●● .0469 ★★★● ●●●

0 .08 .16 .24 .16 .32 .24 .08

F

C

( f )

0 °

.008 .016 .024

SNMG432EME SNMG120408N-ME SNMG433EME SNMG120412N-ME SNMG434EME SNMG120416N-ME SNMG432EMX SNMG120408N-MX SNMG433EMX SNMG120412N-MX SNMG434EMX SNMG120416N-MX SNMG432ENZ SNMG120408N-UZ SNMG433ENZ SNMG120412N-UZ SNMG434ENZ SNMG120416N-UZ SNMG432EGZ SNMG120408N-GZ SNMG433EGZ SNMG120412N-GZ SNMG434EGZ SNMG120416N-GZ

EME

Q Q Q Q Q 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 ★★★★ F F

( a p )

★●● ★●● ★●●

FF

.0469 ★★●★

.0625 ●★●★ FFF

D

( f )

0

.016

.032

EMX

FF FF

( a p )

.0313 .0469 .0625 .0313 .0469 .0625 .0313 .0469 .0625

★★● ●●★

.08 .16 .24

F

★●

R

( f )

0

-15°

.008 .016 .024

★●● F Q ★★★ ●★● F Q ★★★

ENZ

FF FF FF

( a p )

●● ★★ ★●

.08 .16 .24

★★★ F Q

( f )

0

S

.008 .016 .024

●●● F Q ●●● F Q ●★★ F Q

EGZ

( a p )

.08 .16 .24

( f )

0

0 °

.008 .016 .024

T

SNMR432EHM SNMG120408R-HM .0313 ★★★★

Q Q

QQQQQ QQ QQQQQ QQ

(R/L)HM

( a p )

★★ ★★

.08 .16 .24

SNML432EHM SNMG120408L-HM

.0313 ★★★★

( f )

0

15°

.008 .016 .024

SNMM432ENP SNMM120408N-MP .0313 ★★★★ SNMM433ENP SNMM120412N-MP .0469 ★★★★ SNMM434ENP SNMM120416N-MP .0625 ★★★★

Q ★★★ Q ★★★ Q ★★★

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

ENP

( a p )

V

★★ ★★

0 .16 .08 .24

SNMM435ENP SNMM120420N-MP .0781

Q Q Q Q Q Q Q

( f )

0 °

.016

.032

SNMM432EHG SNMM120408N-HG .0313 ★★★● SNMM433EHG SNMM120412N-HG .0469 ★★●★ SNMM434EHG SNMM120416N-HG .0625 ★★★★

EHG

F

( a p )

W

.16 .24

FF FF

.08

( f )

0

0 °

.016

.032

SNMM432EHP SNMM120408N-HP SNMM433EHP SNMM120412N-HP SNMM434EHP SNMM120416N-HP SNGG431RAX SNGG120404R-AX SNGG431LAX SNGG120404L-AX SNGG432RAX SNGG120408R-AX SNGG432LAX SNGG120408L-AX

EHP

( a p )

.0313 .0469 .0625

★★ ★★ ★★

0 .16 .08 .24 0 .08 .04 .12 .16 ( a p )

( f )

0 °

.016

.032

.0156 QQQQQQQQQQQQQQQQQQQQQQQ .0156 QQQQQQQQQQQQQQQQQQQQQQQ .0313 QQQQQQQQQQQQQQQQQQQQQQQ .0313 QQQQQQQQQQQQQQQQQQQQQQQ

QQ ★ Q QQ ★ Q QQ ★ Q QQ ★ Q

(R/L)AX

( f )

30°

.008 .016 .024

B43

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