Sumitomo General Catalog 2025-2026

SUMIBORON CBN Insert

Indexable Insert

D 55° Diamond

L28 , L29

Standard Edge Specification Details

BN1000 BN2000 BN250

BN7000 BN700 BN600

BN350 BN300 T01225 T01235

BNC2010 BNC2020

BNC100 BNC160

BNC200 BNC300

BNX10 BNX20 BNX25

BNC500 BN500

BN7500 BNS800 NCB100

T02020

Neg. Pos.

T01225 S01225 S01725 S01225

S01225 S01225 S01225 S01215 T01215 T01215 T01215

T01215

-

: 1st Recommended : 2nd Recommended

: 1st Recommended : 2nd Recommended

: 1st Recommended : 2nd Recommended

(Legend) Continuous Cutting

General Cutting

Interrupted Cutting

K Cast Iron S Exotic Alloy H Hardened Steel Sintered Components

DNG ¢ 43 ˜ Coated Dimensions (inch) Inscribed Circle .5000 Hole Dia. Thickness .1875

Recommended Application

.2031

L

C10 to C12

E15 to E19

Applicable External Holders

Applicable Internal Holders

Coated CBN

Multi-Cornered Single-Use / Negative (With Hole)

Effective Cutting Edge Length LE

Nose Radius RE

No. of Cutting Edges

Pcs/ Pack

Cutting Edge Specification

Shape

Sumitomo Cat. No.

ISO Cat. No.

4NCDNGG432SV 4NC-DNGG150408N-SV 4NCDNGG433SV 4NC-DNGG150412N-SV

.0313 .0827 .0469 .0787

 D F D  D  D F D

S01235

1 4

Break Master

2NCDNGA431LE 2NC-DNGA150404LE 2NCDNGA432LE 2NC-DNGA150408LE 2NCDNGA433LE 2NC-DNGA150412LE 2NCDNGA430.5LT 2NC-DNGA150402LT 2NCDNGA431LT 2NC-DNGA150404LT 2NCDNGA432LT 2NC-DNGA150408LT 2NCDNGA433LT 2NC-DNGA150412LT 2NCDNGA431LS 2NC-DNGA150404LS 4NCDNGA431LS 4NC-DNGA150404LS 4NCDNGA432LS 4NC-DNGA150408LS 4NCDNGA433LS 4NC-DNGA150412LS 4NCDNGA431ES 4NC-DNGA150404ES 4NCDNGA432ES 4NC-DNGA150408ES 4NCDNGA433ES 4NC-DNGA150412ES 2NCDNGA432HS 2NC-DNGA150408HS 2NCDNGA433HS 2NC-DNGA150412HS

.0156 .0984 .0313 .0827 .0469 .0787 .0078 .1024 .0156 .0984 .0313 .0827 .0469 .0787 .0156 .0984 .0156 .0984 .0313 .0827 .0469 .0787 .0156 .0984 .0313 .0827 .0469 .0787 .0313 .0827 .0469 .0787

  

Honing

1 2

Low Cutting Force



C

D D D

T00515

1 2

Sharper Edge

BNC100 Ž S01715 BNC160 Ž S01020 BNC200 Ž S01015 BNC300 Ž S00515 BNC100 Ž S01715 BNC160 Ž S01020 BNC200 Ž S01015 BNC300 Ž S00515

D D



D

1 2

Sharper Edge

F F  F F 

R

1 4

F 

Sharper Edge



S00535

1 4

D D

S

High-Efficiency

D D D D D F D

BNC2010 Ž S01730 BNC2020 Ž S02735 BNC160 Ž S01730 BNC200 Ž S01735 BNC300 Ž S01735 BNC2010 Ž S01730 BNC2020 Ž S02735 BNC160 Ž S01730 BNC200 Ž S01735 BNC300 Ž S01735 BNC500 Ž S01225

D D D D D

1 2

T

Strong Edge

4NCDNGA432HS 4NC-DNGA150408HS 4NCDNGA433HS 4NC-DNGA150412HS

.0313 .0827 .0469 .0787

 D  D   D D 

F D F D



V

1 4

Strong Edge

W

CBN Application Range Map

(A) Uncoated CBN

(B) Coated CBN

300

300

BNC100

BN1000

BNC160

BNC2010

200

200

BNC200

BN2000

BNX25

BNC2020

BNX20

120 100

100

BN350

( m/min ) v c

( m/min ) v c

BNC300

0

0

L52

Continuous

Interrupted

Heavy Interrupted

Continuous

Interrupted

Heavy Interrupted

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