Sumitomo General Catalog 2025-2026

R

S

R

S

C D

C D

T V W

T

V

W

T

V

W

C Type MM Type

FP Type C Type

FP Type

By Cutting Conditions Chipbreaker Selection W C D T R V S C D T R S C D T R S W C D T R V S 2.15 2.95 W C D T R V S

R R

S S

C D C D

V V

W W

T T

V V

W W

2.15

1.40

2.95

1.40

0.15 0.15

0.15

10°

10°

R

S

C D

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

W W W

10°

14°

10°

14°

Roughing C D T R S C D T R S

R R

S S

C D C D

Negative C D R S C D R S

T T

V V

W W

V V

W W

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

W EHG Excellent chip control for heavy cutting C D C D C D W W T T

C D C D EHP

T PMK N S H ENP C D C D

R R

W W PMK N S H Single-sided chipbreaker with low cutting resistance for rough cutting T T V V S S

R R

W W PMK N S H Strongest cutting edge for heavy cutting T T V V S S

C D C D C D C D C D C D C D

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

W W W W W W W W W

0.3

T T 22° 0.3 to 0.6 V V S S

R R

R R

S S

C D C D

C D C D

T T

V V

W W 22°

W W

0.4 22° T V

CNMM54 ™

CNMM54 ™

CNMM54 ™

(mm) SS Type FW Type

R R UJ Type S S (mm) SS

T T RD Type R R UJ S S

AW Type RD

AW Type

C D C D

C D C D

V V

W W

T T

V V

W W

e

(mm)

10 EHU 15 C D C D C D C D

C D C D 10 EHF 15

C D C D EHW 10 15

2.00 1.5

W W PMK N S H Two-step breaker with excellent chip evacuation for heavy cutting 0.75 6.3 T T V V S S 0.4 0.8 0.1 5° 1.5 1.15 5°

10.5

W W PMK N S H Heavy cutting chipbreaker with strong cutting edge for excellent chip evacuation in high-feed cutting T T V V S S 0.1 5°

W W PMK N S H Heavy cutting chipbreaker with strong cutting edge for excellent chip control 1.15 0.90 5°

10.5 2.00

0.90

B

R R

R R

25°

25°

15° (20°)

15° (20°)

5

C D C D C D C D C D C D C D C D

W W W W W W W W

5

5

0.2 0.4 4.5

3.2

0.6

0

R R

S S

R R

S S 0.4

C D C D

C D C D

T T

V V

W W

T T

V V

W W

0.3

0

0 0.25

1.2

20°

0.8

1.2

0.4

0.8

1.2

17°

Feed Rate (mm/rev)

Feed Rate (mm/rev)

Feed Rate (mm/rev)

-15°

-15°

16° -15°

SNMM85 ™

SNMM10 ™

SNMM64 ™

R R

S S

R R

S S

C D C D

C D C D

T T

V V

W W

T T

V V

W W

Negative Aluminum Alloy Cutting C D R S C D R S W C D T R V S W C D T R V S

R R

S S

C D C D

T T

V V

W W

T T

V V

W W

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

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

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

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

R

S

C D

(R/L)AX AX Type

AY Type AX

AY Type

PMK N S H

T T Parallel Al chipbreaker with sharp edge

R R

S S

R R

S S

C D C D

C D C D

T T

V V

W W

T T

V V

W W

2.5 T

2.50

2.50 2.5

2.50

2.50

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

0.05

5

15°

15°

30°

30°

R R

S S

R R

S S

C D C D

C D C D

T T

V V

W W

T T

V V

W W

CNGG43 ™

C

R R

S S

R R

S S

C D C D

C D C D

T T

V V

W W

T T

V V

W W

Negative Hardened Steel Cutting W C D T R V S W C D T R V S

EGH C D RH Type GH Type SJ Type R

R R FB Type RH ST Type S S

T T LB Type FB Type GX Type R R S S

UM Type

e

C D C D

C D C D

V V

W W

T T

V V

W W

Hardened steel breaker reduces cutting resistance and provides good chip evacuation PMK N S H 1.2 W T V S

LB Type

D

1.50

2.00

1.35

1.65

0.15

e 15

0.18

0.15

15°

14°

R R

S S

R R

S S

C D C D

C D C D

T T

V V

W W

T T

V V

W W

0.30

0.8 0.5

3.5

0.8

0.30 S 3°

0.5

3.5

15° W

15°

°

-15°

-15°

20°

15°

W W 20°

15°

R

R R

S S

R R

S S

C D C D

C D C D

T T

V V

T T

V V

W W

CNGG43 ™

R

S

R R

S S

C D C D

C D

T

V V

W W

T T

V V

W W

Negative C D R S C D R S C D R S

Chamfering W S C D T R W

S

R

S

R

S

C D

C D

S S S S C D C D LD Type GD Type C Type C

R R R R R R R

T

V

W

T

V

W

S C D R T V W LD Type FP

S C D R T V W

PMK N S H

C D C D C D C D C D

General-purpose ground breaker

e

R

S

S C D R T V W

C D

S S S

T 0.4

V 1.40

W

0.8

2.15

2.95

0.4

0.8

S C D R T V W 0.15

T

5

10°

20°

25°

20°

25°

10°

14°

S C D R T V W

S C D R T V W 0° SNGG43 ™

R R

S S

C D C D

T T

V V

W W

V

R R

S S

C D C D

Bumpy Chipbreaker

Standard Chipbreaker

Handed Chipbreaker For Chamfering

T T

V V

W W

Break Master (CBN/PCD)

W

R R

S S

C D C D

T T

V V

W W

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

Bumpy Insert Standard Breaker Handed Breaker Break Master (CBN/PCD) UJ Type

mpy Insert Standard Breaker Handed Breaker ak Master (CBN/PCD) e SS Type W C D T R V S

RD Type

AW Type

Chipbreaker Application Range For Chamfering

For Chamfering

R

S

C D

1.5

1.15 T

V

W

10.5

0.90

2.00

0.1

25°

Rough to Heavy Cutting (Inscribed Circle ø1.2205inch)

Rough to Heavy Cutting (Inscribed Circle ø.6250 to .7500inch) C D T R S

Rough to Heavy Cutting (Inscribed Circle ø1 inch)

15° (20°)

Aluminum Alloy

Hardened Steel

V

W

N

.60

.60

1.20

.16

.16

EHW

EHF

EHF R

S

C D

T

V

W

EHU EHW EHF

EGH

EHP

H

.40

.40

.80

EHU

(R/L)AX

EHG

EHP

.08

.08

ENP

.20

.20

.40

ENP

R

S

C D

T

V

W

No Chipbreaker

Note: The maximum depth of cut of SNGG is 3.5mm

0

0

0

0

0

.016 .032 .047

.016 .032 .047

.024 .047 .070

.002

.004

.004

0.12

.020

Feed Rate f (inch/rev)

Feed Rate f (inch/rev) AY Type

Feed Rate f (inch/rev)

Feed Rate f (inch/rev)

Feed Rate f (inch/rev)

AX Type C D R

S

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.

e

B12 2.50

2.5

2.50

R

S

C D

T

V

W

05

15°

30°

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