Sumitomo General Catalog 2025-2026

SumiTurn T-REX Inserts

Insert (

Coated Carbide /

Cermet)

Dimensions ( mm )

Nose Radius RE

Appearance

Cat. No.

Fig

TRM551704-FL .0157" / 0.4 TRM551708-FL .0313" / 0.8

● ● ● ●

▲ 1 ▲ 1

Fig 1

RE

FL

C

TRM551704-LU .0157" / 0.4 ● ● ● ● ● TRM551708-LU .0313" / 0.8 ● ● ● ● ● TRM551712-LU .0472" / 1.2 ● ● ● ● ● TRM551704-SU .0157" / 0.4 ● ● ● TRM551708-SU .0313" / 0.8 ● ● ● TRM551712-SU .0472" / 1.2 ● ● ● TRM551704-GU .0157" / 0.4 ● ● ● ● ●

▲ 1 ▲ 1 ▲ 1

LU

● ● ● ● ▲ 1 ● ● ● ● ▲ 1 ● ● ● ● ▲ 1

SU

1

TRM551708-GU .0313" / 0.8 ● ● ● ● ● ● ● ● ●

1

TRM551712-GU .0472" / 1.2 ● ● ● ● ●

● ● ●

GU

1

■ Chipbreaker Application Range

● Main Chipbreakers

● Finishing Sub-Chipbreakers

C

Depth of Cut Limit

Main Chipbreaker

.100

.080

D

GU

SU

LU

Medium Cutting

GU

Chip control emphasised

.040

R

LU

Finishing

FL

0

0

.008 0.016 0.024

Cutting Edge Sharpness

Cutting Edge Strength

S

LU

Feed Rate f (IPR)

■ Application Range by Grade (Numbers in Table are Recommended Cutting Speed v c ( SFM ))

T

Coated Carbide AC8025P AC810P Coated Carbide

AC820P Coated Carbide

AC830P Coated Carbide

AC630M T3000Z

Insert Grade

Grade Classication

Coated Cermet Coated Carbide

P

Low Carbon Steel

660 1,312

490 1,148

490 1,148

394 984

394 984

330 1,312

V

Work Material

General Steel / Alloy Steel

P

490 1,082

330 825

330 825

262 660

262 755

330 825

Stainless Steel

M

164 490

330 524

W

Finishing





Applications

Medium Cutting







Interrupted Cutting



: Ideal, : Suitable 

l = USA Stocked Item ▲ = Limited Availability Item

C28

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