Sumitomo General Catalog 2025-2026

Turning 55˚ Diamond Negative Inserts

Indexable Insert

RE

DN 55° Diamond Neg. With Hole DN ¢¢ 44 ˜ Dimensions (inch) Cutting Edge Length L .6102 Thickness S .2500 Inscribed Circle IC .5000 Hole Dia. D1 .2031

Grade Selection

A2, A3

IC

Chipbreaker Selection B10 on Insert Grade Selection by Part Material

A10 on

L

S

55°

: 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

L53

Coated Cermet

SUMIBORON (CBN) Inserts

Coated Carbide

Carbide

Cermet

C10

E19

Applicable External Holders

Applicable Internal Holders

Nose Radius

Application Range

Shape

Sumitomo Cat. No.

ISO Cat. No.

RE

DNMG441EGU DNMG150604N-GU .0156 ★★★★ DNMG442EGU DNMG150608N-GU .0313 ★★★★ F

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

EGU

FF

( a p )

★★★

0 .08 .16 .24

★★★ ★★★

DNMG443EGU DNMG150612N-GU .0469 ★★★★ ★★★ ★★★ Q

DNMG444EGU DNMG150616N-GU .0625

Q Q Q Q Q Q Q Q Q Q Q Q Q

( f )

★★★

.008 .016 .024

DNMG441EGE DNMG150604N-GE DNMG442EGE DNMG150608N-GE DNMG443EGE DNMG150612N-GE DNMG444EGE DNMG150616N-GE DNMG441EUX DNMG150604N-UX DNMG442EUX DNMG150608N-UX DNMG443EUX DNMG150612N-UX DNMG444EUX DNMG150616N-UX

EGE

( a p )

.0156 ★★★★ .0313 ★★★★ .0469 ★★★★ .0625 ★★★★ .0156 ★★★★ .0313 ★★★★ .0469 ★★★★ F

.08 .16 .24

( f )

0

.008 .016 .024

C

EUX

( a p )

.08 .16 .24

( f )

.0625

0

★ ★

0 °

.008 .016 .024

DNMG441ENG DNMG150604N-UG .0156 DNMG442ENG DNMG150608N-UG .0313 DNMG443ENG DNMG150612N-UG .0469 DNMG444ENG DNMG150616N-UG .0625

ENG

( a p )

D

.08 .16 .24

★★

★ ★

( f )

0

.008 .016 .024

DNMG441EEG DNMG150604N-EG DNMG442EEG DNMG150608N-EG DNMG443EEG DNMG150612N-EG

Q ★★★

EEG

R

( a p )

.0156 ★★★★ ★★★ .0313 ★★★★ ★★★ .0469 ★★★★ ★★★

.08 .16 .24

Q ★●★ F

Q ★★★

( f )

0

0 °

.008 .016 .024

DNMA442 DNMA443

DNMA150608 DNMA150612

★●★ F Q ★★★ F Q

QQQQQ QQ QQQQQ QQ

.0313 .0469

S

Q

DNMG442EMU DNMG150608N-MU .0313 ★★★★ FFF ★ F

Q Q Q

QQQQQ QQ QQQQQ QQ QQQQQ QQ

EMU

( a p )

.08 .16 .24

T

DNMG443EMU DNMG150612N-MU .0469 ★★★★

DNMG444EMU DNMG150616N-MU .0625

( f )

0

.008 .016 .024

DNMG442EEM DNMG150608N-EM .0313 ★★★★ ★★★ DNMG443EEM DNMG150612N-EM .0469 ★★★★ ★★★

Q ★★★ Q ★★★

QQQQQ QQ QQQQQ QQ

EEM

( a p )

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

V

( f )

0 °

.008 .016 .024

DNMG442EME DNMG150608N-ME .0313 ★★★★ FFF

Q Q Q

QQQQQ QQ QQQQQ QQ QQQQQ QQ

EME

( a p )

★★★ ★★★ ★★★

DNMG443EME DNMG150612N-ME .0469 ★★★★

FF

W

DNMG444EME DNMG150616N-ME .0625 ★★★★ FFF

( f )

0

.016

.032

DNMG442EMX DNMG150608N-MX .0313 DNMG443EMX DNMG150612N-MX .0469

Q Q

QQQQQ QQ QQQQQ QQ

EMX

( a p )

★★ ★★

0 .08 .16 .24

( f )

-15°

.008 .016 .024

DNMG442ENZ DNMG150608N-UZ DNMG443ENZ DNMG150612N-UZ

★★★ F Q ★★★ F Q

QQQQQ QQ QQQQQ QQ

ENZ

( a p )

.0313 .0469

★ ★

.08 .16 .24

( f )

0

.008 .016 .024

B37

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