Sumitomo General Catalog 2025-2026

Chipbreaker and Grade Selection Guide For Small Lathes

Grades

Work Material

Application Range

M K S H N

P

Insert Grade

Finishing to Light Cutting

High-precision

Medium Cutting

A

S

G G G G G S S S S S

G S S G G G G S S S

ACZ150

G G S S

S S S S G S S S S

AC5015S

Coated Carbide (PVD)

AC5025S

S S

AC530U

AC1030U

T1000A

Uncoated Cermet Coated Cermet

T1500A/T1500Z

S G S

BL130

Carbide

H1/DL1000 EH510

G

G

BN1000/BN2000 BN7125

CBN (SUMIBORON)

S

G

PCD (SUMIDIA)

G

DA1000

G 1st Recommendation

S 2nd Recommendation

Chipbreakers

● M Class Finishing to Light Cutting

● G Class Ground Type

● M Class Molded Type

.160

.160

.160

MESI Type

EFK Type ESU Type

SD Type

.080

.080

.080

ESC Type

SDW Type

FX Type

W Type

ELUW Type

EFP Type

FYS Type

MEFC / EFC Type

ELU Type

FY Type

MEFF Type

0

0

0

.008

.016

.008

.016

.008

.016

Feed Rate f (IPR)

Feed Rate f (IPR)

Feed Rate f (IPR)

Recommended Cutting Conditions

(Red text: 1st recommendation, blue text: 2nd recommendation)

P Free-Cutting Steel N Brass v c (SFM) f (IPR) v c (SFM) f (IPR) v c (SFM) f (IPR) v c (SFM) f (IPR) v c (SFM) f (IPR) v c (SFM) f (IPR) v c (SFM) f (IPR) P Carbon Steel M Stainless Steel S Heat-Resistant Alloy H Hardened Steel N Aluminum Alloy

Material

ACZ150 Tool Grade

165 to 650 .001 to .004 165 to 500 .0005 to .003 165 to 500 .0005 to .002

230 to 1000.002 to .008230 to 1000 .002 to .008

AC5015S 165 to 650 .001 to .006 165 to 650 .001 to .004 165 to 650 .001 to .004 100 to 350 .001 to .004 AC5025S 165 to 650 .001 to .006 165 to 650 .001 to .004 165 to 650 .001 to .004 100 to 350 .001 to .004

230 to 1000 .002 to .008 230 to 1000 .002 to .008 230 to 1000 .002 to .008 230 to 1000 .002 to .008

AC530U 165 to 650 .001 to .006 165 to 650 .001 to .004 165 to 650 .001 to .004 AC1030U 165 to 500 .001 to .006 165 to 500 .001 to .004 165 to 500 .001 to .004 T1000A 165 to 650 .001 to .006 165 to 650 .001 to .004 165 to 500 .001 to .004 T1500A 165 to 650 .001 to .006 165 to 650 .001 to .004 165 to 500 .001 to .004 T1500Z 165 to 650 .001 to .006 165 to 650 .001 to .004 165 to 500 .001 to .004 BN1000

400 to 1000.001 to .006 165 to 650 .001 to .008

BN2000 BN7125 DA1000

165 to 650 .001 to .004

230 to 1,000.001 to .004230 to 1,000 .001 to .004

A24

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