Sumitomo General Catalog 2025-2026

Turning Triangular Negative Inserts

Indexable Insert

RE

TN Triangular Neg. With Hole

IC

Grade Selection

A2, A3

Chipbreaker Selection B10 on Insert Grade Selection by Part Material

A10 on

L

s

60°

: 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

TN ¢¢ 44 ˜ Dimensions (inch)

Cutting Edge Length L .8661 Thickness S .2500 Inscribed Circle IC .5000 Hole Dia. D1 .2031

B

Coated Cermet

Coated Carbide

Carbide

Cermet

Nose Radius

Application Range

Shape

Sumitomo Cat. No.

ISO Cat. No.

RE

TNMG444ENZ TNMG220616N-UZ

Q

QQQQQ QQ

ENZ

( a p )

.0625

.08 .16 .24

( f )

0

.008 .016 .024

: 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

TN ¢¢ 54 ˜ Dimensions (inch)

Cutting Edge Length L 1.0827 Thickness S .2500 Inscribed Circle IC .6250 Hole Dia. D1 .2500

C

Coated Cermet

Coated Carbide

Carbide

Cermet

C20

B132

Applicable External Holders

Ceramic Inserts

Nose Radius

Application Range

D

Shape

Sumitomo Cat. No.

ISO Cat. No.

RE

TNMG542ENG TNMG270608N-UG TNMG543ENG TNMG270612N-UG TNMG544ENG TNMG270616N-UG

Q Q Q

QQQQQ QQ QQQQQ QQ QQQQQ QQ

ENG

FF

( a p )

.0313 .0469 .0625

●●● ●●● ●●●

.08 .16 .24

F

R

FF

( f )

0

.008 .016 .024

TNMA543 TNMA544

TNMA270612 TNMA270616

Q Q

QQQQQ QQ QQQQQ QQ

.0469 .0625

●●

Q

S

TNMG543EMU TNMG270612N-MU .0469 ●●●● TNMG544EMU TNMG270616N-MU .0625 ●●●●

Q Q

QQQQQ QQ QQQQQ QQ

EMU

FF FF

( a p )

.08 .16 .24

T

( f )

0

.008 .016 .024

TNMG542ENZ TNMG270608N-UZ TNMG543ENZ TNMG270612N-UZ TNMG544ENZ TNMG270616N-UZ TNMG548ENZ TNMG270632N-UZ

Q Q Q Q Q Q

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

ENZ

FF FF FF

( a p )

.0313 .0469 .0625 .1250

●● ●● ●●

.08 .16 .24

V

F

( f )

0

.008 .016 .024

TNMM543ENP TNMM270612N-MP .0469 TNMM544ENP TNMM270616N-MP .0625

ENP

( a p ) .40

★ ★

.20

W

( f )

0

0 °

.020

.040

TNMM543EHP TNMM270612N-HP TNMM544EHP TNMM270616N-HP

Q Q

QQQQQ QQ QQQQQ QQ

EHP

.40 ( a p )

.0469 .0625

★★ ★★

.20

( f )

0 °

0

.020

.040

B59

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