Sumitomo General Catalog 2025-2026

IGETALLOY 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

M16

SUMIBORON (CBN) Inserts

SUMIDIA (PCD) Inserts

Coated Cermet

Coated Carbide

Carbide

Cermet

M27

B131

SUMIDIA Binderless Inserts

Ceramic Inserts

C14

E20

Applicable External Holders

Applicable Internal Holders

Nose Radius

Application Range

Shape

Sumitomo Cat. No.

ISO Cat. No.

RE

SNMG431EFB SNMG120404N-FB .0156 SNMG432EFB SNMG120408N-FB .0313

Q Q

Q ★★★ Q ★★★

Q Q

EFB

★ ★

( a p )

.08

.04

( f )

0

.016 .008

27°

SNMG432EFL SNMG120408N-FL .0313

Q

Q

Q ●★

EFL

F

( a p )

.08

.04

C

( f )

0

10°

.016 .008

SNMG431EFE SNMG120404N-FE .0156 ★★★● SNMG432EFE SNMG120408N-FE .0313 ★★★● SNMG433EFE SNMG120412N-FE .0469 ★★★★

Q Q Q

Q ★★★ Q ★★★ Q ★★★

Q Q Q

EFE

( a p )

★★ ★★ ★★

.08

.04

D

( f )

0

20°

.016 .008

SNMG432ELU SNMG120408N-LU .0313 ★★★ SNMG433ELU SNMG120412N-LU .0469 ●★★

Q Q

Q ★★

Q Q

ELU

FF FF

( a p )

★ ★

.08

Q ★★ ★

.04

R

( f )

0

10°

.016 .008

SNMG432ESU SNMG120408N-SU .0313 ●★●● FFF

Q ★●● FF ★ Q ●★★●●

Q

ESU

●★ F

( a p )

.08

.04

S

( f )

0

13°

.016 .008

SNMG432ESE SNMG120408N-SE .0313 ●★★● FFF SNMG433ESE SNMG120412N-SE .0469 ★●●★ F

Q Q

QQQQQ QQ QQQQQ QQ

ESE

( a p )

0 .08 .16 .24

( f )

T

.008 .016 .024

SNMG431EEF SNMG120404N-EF .0156 ★★★★ ●★● SNMG432EEF SNMG120408N-EF .0313 ★★★● ●★★

Q ●●★ Q ●●★

QQQQQ QQ QQQQQ QQ

EEF

( a p )

.08

.04

( f )

0

20°

.016 .008

V

SNMG431ENK SNMG120404N-SK .0156

Q

QQQQQ QQ

ENK

F

( a p )

0 .08 .16 .24

( f )

.008 .016 .024

W

SNMG431ESX SNMG120404N-SX .0156 QQQQQQQQQQQQQQQQQQQQQQQ ●★ ★ QQ Q SNMG432ESX SNMG120408N-SX .0313 ●●●● FF Q Q ●★ ★ Q SNMG433ESX SNMG120412N-SX .0469 ★★★★ FF Q QQQQQ QQ

ESX

( a p )

.08

.04

( f )

0

.008

.016

SNMG431EEX SNMG120404N-EX .0156 SNMG432EEX SNMG120408N-EX .0313 SNMG433EEX SNMG120412N-EX .0469

Q ★●● FF

QQQQQ QQ

EEX

●★★ F ★●● F ●●★ F

0 .08 .04 .12 ( a p )

Q ●●● FF ★ QQQQQ ●● QQ

Q ●●● F

★ QQQQQ QQ

( f )

16°

.008 .016

B41

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