Sumitomo General Catalog 2025-2026

SUMIBORON CBN Insert

Indexable Insert

V 35° Diamond VCGA22 ˜ Uncoated Dimensions (inch) Thickness .1250

: 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

Recommended Application

Inscribed Circle .2500 Hole Dia.

.1102

L

C42 , D12 , D21, D33

E58 to E60

Applicable External Holders

Applicable Internal Holders

Uncoated CBN

Single-Use / 7° Positive (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.

NUVCGA220.5 NUVCGA221

NU-VCGW110302 NU-VCGW110304

.0078 .1299  D F

.0156 .1102

Standard

1 1

D F

NUVCGA220.5HS NUVCGA221HS

NU-VCGW110302HS NU-VCGW110304HS

.0078 .1299

D

S01235

1 1

.0156 .1102

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

C

D

R

S

T

V

W

CBN Application Range Map

(C) Gray Cast Iron

(D) Ductile Cast Iron

(E) General Powdered Metal (F) High-density Powdered Metal

(G) Titanium Alloy

2,000

500

300

300

300

1,500

400

200

200

200

BNC500

BN7000

1,000

300

BN7500

BN7500

NCB100

BNS800

BN7000

100

100

100

( m/min ) v c

200

500

BN7000

BN500

( m/min ) v c

BN7000

( m/min ) v c

( m/min ) v c

( m/min ) v c

0

0.05 0.10 0.15 0.20 Feed Rate f (mm/rev)

0 0.1 0.3 0.5

0 1.0 2.0 3.0 4.0

Depth of Cut a p ( mm ) Feed Rate f ( mm / rev )

Depth of Cut a p ( mm ) Feed Rate f ( mm / rev )

0 0.1

0.15 0.05 0.1 0.2 0.25 0.3 0.2 0.3 0.4 0.5

0 0.1

0.05 0.1 0.15 0.2 0.25 0.3 0.2 0.3 0.4 0.5

Depth of Cut a p (mm)

Depth of Cut a p (mm)

L101

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