Sumitomo General Catalog 2025-2026

Turning 55˚ Diamond Positive Inserts

Indexable Insert

DP 55° Diamond 11° Pos. With Hole DP ¢¢ 21.5 ˜ Dimensions (inch) Cutting Edge Length L .3031 Thickness S .0937 Inscribed Circle IC .2500 Hole Dia. D1 .1102

RE

Grade Selection

A2, A3

IC

Chipbreaker Selection B10 on Insert Grade Selection by Part Material

S

L

A10 on

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

Coated Cermet

Coated Carbide

Carbide

Cermet

E42

Applicable Internal Holders

Nose Radius

Application Range

Shape

Sumitomo Cat. No.

ISO Cat. No.

RE

DPMT21.51ESU DPMT070204N-SU .0156

Q ●●● FF

QQQQQ QQ

ESU

F

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

●●

( f )

.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

DP ¢¢ 32.5 ˜ Dimensions (inch)

C

Cutting Edge Length L .4567 Thickness S .1563 Inscribed Circle IC .3750 Hole Dia. D1 .1732

Coated Cermet

Coated Carbide

Carbide

Cermet

E42

Applicable Internal Holders

Nose Radius

D

Application Range

Shape

Sumitomo Cat. No.

ISO Cat. No.

RE

ESU

DPMT32.51ESU DPMT11T304N-SU .0156 DPMT32.52ESU DPMT11T308N-SU .0313

Q ●●●

QQQQQ QQ QQQQQ QQ

F F

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

●● ●●

R

Q ●●● F

( f )

.008 .016 .024

S

T

V

W

B89

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