Sumitomo General Catalog 2025-2026

SUMIBORON CBN Insert C 80° Diamond

Indexable Insert

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

CCG ¢ 21.5 ˜ Uncoated Dimensions (inch) Inscribed Circle .2500 Hole Dia. Thickness

Recommended Application

.1102

.0937 Applicable Internal Holders

L

E30 to E33 C34 Multi-Cornered Single-Use / 7° Positive (With Hole) Applicable External Holders

Uncoated CBN

Effective Cutting Edge Length LE

Nose Radius RE

No. of Cutting Edges

Pcs/ Pack

Cutting Edge Specification

Shape

Sumitomo Cat. No.

ISO Cat. No.

2NUCCGA21.50.5 2NUCCGA21.51 2NUCCGA21.52 2NUCCGA21.50.5WG 2NUCCGA21.51WG 2NUCCGA21.52WG 2NUCCGT21.50.5FV 2NUCCGT21.51FV 2NUCCGT21.52FV

2NU-CCGW060202 2NU-CCGW060204 2NU-CCGW060208 2NU-CCGW060202WG 2NU-CCGW060204WG 2NU-CCGW060208WG 2NU-CCGT060202N-FV 2NU-CCGT060204N-FV 2NU-CCGT060208N-FV

.0078 .0906

D D

.0156 .0906

Standard

1 2

D D F

.0313 .0945

D D F

.0078 .0906

D

F

S01215

1 2

.0156 .0906

D

F

.0313 .0945

D

F

Wiper Insert

.0078 .0906

D

C

.0156 .0906

Honing

1 2

D

.0313 .0945

D

Break Master

*Use 2NS (2NS-CCGW) for BNX25. *Depth of cut for single-use types is 0.0197 inch or less.

D

R

S

T

V

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

L38

Continuous

Interrupted

Heavy Interrupted

Continuous

Interrupted

Heavy Interrupted

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