Sumitomo General Catalog 2025-2026

By Cutting Conditions Chipbreaker Selection MM Type C Type

FP Type

2.15

2.95

1.40

0.15

0.15

Negative Medium Cutting to Roughing 10° 14°

10°

R

S

C D

T

V

W

ENG

EGU

EGE C D

EUX

R

S

T

V

W

Popular and versatile chipbreaker Long-selling product PMK N S H

K PM N S H Versatile chipbreaker featuring excellent wear resistance

A versatile breaker with excellent rake face wear resistance in high- efficiency cutting PMK N S H

Extremely reliable and versatile chipbreaker with strong cutting edge PMK N S H

V 15° 2.0

2.0 V

1.7

R R

S S

C D C D

T T

W W

0.25 2.05 7° 25° T V S

0.2 S

S 0.25

R

R

R

C D

C D

C D

0.25 V

W

T

W

T

21° V

W

23°

CNMG43 ™

CNMG43 ™

CNMG43 ™

CNMG43 ™

C D FW Type R S

R SS Type S S R

T UJ Type R R S S T

T RD Type R V S

AW Type

C D C D

C D C D

T T

V V

W W

V V

W W

(mm) C D 6

T

V

W

W

B 10.5 25°

(mm)

(mm)

6

6

(mm) EEG 4 C D C D 2

4 (R/L)M EGUW General-purpose ground chipbreaker for medium cutting 2 C D UM Type R R 4 2 PMK N S H 1.15 5° W C D T V S C D R

4

6 GX Type

V General-purpose chipbreaker for exotic alloys with good chip control and wear resistance. PMK N S H 0.90

2.00

Finishing breaker with wiper edge for high-efficiency medium finishing PMK N S H W T V S

2

R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

S S S S S S S S S S S S S S S S S S S

S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S

R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

S S S S S S S S S S S

R R R R R R R R R R R R

S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S

C D C D C D 0.2

C D C D C D C D C D C D 0

T T

W 15°

T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T

V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V

W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W

T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T

V V V V V V V V V V V V V V V V V V V V

W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W

T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T

V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V

W W W W W W

1.5

2.5

2.0

0.2

0.4

0.6

1.65

1.75 V

0.2 R R R R R R R R R R R R R R

0 C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D

W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W

Feed Rate (mm/rev)

0.3

0.15

0.09

15° S

0

0.4

0.6 14°

0 C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D

23° V

0.4 T T

V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V

0.4

0.6

30° 0.6

Feed Rate (mm/rev)

0.2

C D Feed Rate (mm/rev) Wiper Insert

Feed Rate (mm/rev)

C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D 0° (mm) 6 C D C D C D C D C D C D C D C D C D C D C D 0° C D C D C D C D C D C D C D C D C D C D C D (mm) 0° 4 2 0 4 2 C D 6 C D C D

CNMG43 ™

CNMG43 ™

CNMG43 ™

T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T

FT Type

SJ Type

S

R

S

T

V

W

1.35

1.2

0.15

0.18

W W C D C D EMX Strong cutting edge for interrupted cutting PMK N S H

K EME Chipbreaker for rough cutting that supports high-feed cutting with reduced rake face wear. PM N S H W T R V S AY Type 0.2 0.4 R S C D C D 0 Feed Rate (mm/rev) 0.6 0.8 W

EEM EM Type

PMK N S H EMU

S PMK N H Breaker with excellent fracture and crater resistance S

AX Type

Economical double-sided breaker with low cutting resistance for high- feed cutting

0.3 S S S

C D C D C D C D 0°

W W W W W W W W W W W W W W W W W W W W W W

2.3 0.2 0.4

2.5

2.5

2.50

2.50

2.4 V

R

T

W 15°

0.3

0.05

30°

20 °

20 °

4° S S S S S

4 °

C

R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

1.40

-15 °

CNMG43 ™

CNMG43 ™

CNMG43 ™

CNMG43 ™

R

T

V

W

10°

C D EGZ C D (mm) 6

C D ENZ C D

C D C D (R/L)HM R

C D C D C D (R/L)M Wide, M class, handed breaker with low cutting resistance for medium to rough cutting. R R R W T V S PMK N S H MM Type

S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S

C Type

F

Extremely reliable standard chipbreaker with strong cutting edge PMK N S H

Standard breaker with stable cutting performance PMK N S H

Ground breaker with wide and gentle rake angle PMK N S H

D

4

C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D 2 C D C D C D

1.9

1.9

2.15

S S 0.3 4° S

R R R R R R R R R R R R R R R R R R R R R R R R R R R R R

2.95

C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D 0° C D C D C D C D C D

V 2.7

T LB Type R S 0.15 10°

0.15

0.25 RH Type 0.2 0

GH Type S

T 0.2 FB Type R 15° S

14°

V

W

16°

25° V

0.4

0.6

14°

V

Feed Rate (mm/rev)

S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S

V 0.50

CNMG43 ™

CNMG43 ™

TNM33 ™

0.80 SNMG43 ™

0.30

3.50

R

R

S

T

V

W

15°

-15°

V V V V V V V V V V V V V V V V V V V V V V V V V V

20°

15°

(mm) RD Type 6

AW Type

(mm)

R

S

T

V

W

6

Depth of Cut 4

10.5

2.00

S

4

25°

2

0.2

0.4

0.6

2

Feed Rate (mm/rev)

R

S

T

V

W

0

0.2

0.4

0.6

0

Feed Rate (mm/rev)

0.2

0.4

0.6

FW Type

SS Type

U

Feed Rate (mm/rev)

C D C D GD Type

R R LD Type

R

S

T

V

W

T

0.90

1.15

0.4

0.8

W W 25° W

W W W 15°

R

S

T

V

W

20°

W W W W W W W W W W W W W W

W W W W W W W W W W W W

V

R

S

T

V

W

Bumpy Chipbreaker

Standard Chipbreaker

Handed Chipbreaker For Chamfering

Break Master (CBN/PCD)

2.50

R

S

T

V

W

Applicable Part Material: P Steel M Stainless Steel K Cast Iron N Non-Ferrous Metal S Exotic Alloy H Hardened Steel

15°

W

W Chipbreaker Application Range (Inscribed Circle of Insert up to ø.5000inch) T R V S

EM Type

AX Type Exotic Alloy

A

Bumpy Insert Standard Breaker Handed Breaker Break Master (CBN/PCD) For Roughing

For Chamfering Stainless Steel

For Medium Cutting

Cast Iron

2.5

2.50

R

S

T

V

W

0.05

30°

K

M

EMU / EMX

No Chipbreaker

.24

.24

.24

.24

.24

C D C D LB Type .16

R R

S S

R R

S S

R

S

C D C D

C D C D EUP

C D C D

T T

V V

W W

T

V

W

T T

V V

W W

EEM

S

R

S

EEG

T

V

W

EME

.16

.16

.16

.16

EGZ

C D C D C D C D C D

EEF

EEG

EMU / EEM

EGU/ENG

(R/L)HM

0.50

0.80

ENZ

EGE

.08

.08

.08

.08

.08

EEX

R R

S S

R

S

R R

S S

C D C D

C D C D

C D C D

T

V

W

T T

V V

W W

T T

V V

W W

EUX

R

S

T

V

W

20°

15°

EEX/EUP

EEF

0

0

0

0

0

.012 .024 .035

.012 .024 .035

.012 .024 .035

.008 .016 .024

.012 .024 .035

C D GH Type R

RH Type

F

Feed Rate f (inch/rev)

Feed Rate f (inch/rev)

Feed Rate f (inch/rev)

Feed Rate f (inch/rev)

Feed Rate f (inch/rev)

S

R

S

R

S

C D

C D

T

V

W

T

V

W

T

V

W

Indicated chipbreaker application ranges and shapes are representative values only. Actual values may change according to the actual catalog number. For details, refer to "Stock Items" in Chapter B.

0.30

3.50

B11 15°

R

S

R

S

R

S

R

S

C D

C D

C D

C D

T

V

W

T

V

W

T

V

W

T

V

W

-15°

R

S

R

S

R

S

C D

C D

C D

T

V

W

T

V

W

T

V

W

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