Sumitomo General Catalog 2025-2026

SUMIBORON CBN Insert

Indexable Insert

V 35° 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

VN ¢¢ 33 ˜ Uncoated Dimensions (inch) Inscribed Circle .3750 Hole Dia. Thickness .1875

Recommended Application

.1500

L

C29 to C31

E26

Applicable External Holders

Applicable Internal Holders

Uncoated CBN

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.

NUVNMA330 NUVNMA330.5 NUVNMA331 NUVNMA332 NUVNMA333 T-NUVNMA331 T-NUVNMA332

NU-VNMA160401 NU-VNMA160402 NU-VNMA160404 NU-VNMA160408 NU-VNMA160412 T-NU-VNMA160404 T-NU-VNMA160408

.0039 .1378 .0078 .1299

D D

.0156 .1102 D D F D .0313 .0787 D D F D

1 1

 

Standard

.0469 .0669

F D

.0156 .1102   .0313 .0787  

10 1

NUVNGA331 NUVNGA332

NU-VNGA160404 NU-VNGA160408

.0156 .0984 .0313 .0630

1 1

Standard

D

C

*Depth of cut for single-use types is 0.0197 inch or less.

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

D

Effective Cutting Edge Length LE

Nose Radius RE

No. of Cutting Edges

Pcs/ Pack

Cutting Edge Specification

Shape

Sumitomo Cat. No.

ISO Cat. No.

R

2NUVNGA331 2NUVNGA332 2NUVNGA333 T-2NUVNGA331 T-2NUVNGA332

2NU-VNGA160404 2NU-VNGA160408 2NU-VNGA160412 T-2NU-VNGA160404 T-2NU-VNGA160408

.0156 .1102 D D F D D D F .0313 .0787 D D F D D D F

1 2

.0469 .0669 .0156 .1102 .0313 .0787

D

Standard

 

S

10 2

*Depth of cut for single-use types is 0.0197 inch or less.

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

L92

Continuous

Interrupted

Heavy Interrupted

Continuous

Interrupted

Heavy Interrupted

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