Sumitomo General Catalog 2025-2026

Boring Bars C-SWUB / BSWJO

Internal Finishing (Small Diameter) Screw-on

Carbide

93˚

C-SWUB Through Boring

Fig 1

Fig 2

DMIN Min. Bore Dia.

DMIN Min. Bore Dia.

DCON

DCON

93 °

93°

H

LHD

H

LF

LF

-12˚

-12˚

E

0 °

Figure shows right-hand (R) tool.

Holder

Parts

Dimensions ( mm )

Stock Min. Bore Dia.

Applicable Insert

Flat Screw Wrench

Cutting Edge Distance

Overall Length

Diameter Height

Head

Cat. No.

Fig

C

R L

Cat. No.

N m

DMIN DCON H LF WF LHD

(For Torx Holes)

C05H-SWUB R/L0601-06K   5.5

1 2

5 4.7 100 2.75 8 7.0 125 2.75

-

WB □□ 52 □ B128

0.5 TRX06

Carbide

BFTX0203N

C08K-SWUB R/L0601-06

  5.5

30

Right-handed (R) tool holders are compatible with left-handed (L) or neutral (N) inserts. Left-handed (L) tool holders are compatible with right-handed (R) or neutral (N) inserts. C05H-SWUB R/L0601-06K requires the separately sold HBB516 adapter sleeve. Holders marked with * show an ISO type code.

Adapter Sleeve Cat. No.

Fig 1

D

ø16 ø5.0

Stock Fig

HBB 516

1

15

100

Adapter sleeve is optional.

R

Steel

Internal Boring BSWJO

S

DMIN MIN BORE

DCON

WF

θ°

LHD

T

LF

Holder

Parts 

Dimensions (inch)

V

Min. Bore Dia.

Cutting Edge Distance

Cutting Edge Height

Overall Length

Head Length

Rake Angle

Applicable Insert

Wrench

Screw

Diameter Height

Cat. No.

Fig

W

Ref. Page

R

Cat. No.

N m

DMIN DCON H HF LF WF LHD GAMF

(For Torx Socket)

BSWJOR035

2.500 0.062 0.385 -12° WB □□ 52 □ B128 1 1.0 TRX06 BFTX0203A

▲ 0.228 0.187

— —

Wrench for shim is sold separately from the main body. Right-handed (R) tool holders are compatible with left-handed (L) or neutral (N) inserts. Left-handed (L) tool holders are compatible with right-handed (R) or neutral (N) inserts.

Applicable Inserts C-SWUB / BSWJO

Name of Chipbreaker/ CBN/PCD

EGU

1st Recommended Insert ● Refer as well to the Insert Selection Guide (page A10).

Photo Grade

● Some combinations need to be made to order or cannot be manufactured.

AC8025P

P (Steel)

M (Stainless Steel)

K (Cast Iron) S (Exotic Alloy) N (Non-ferrous) H (Hardened Steel)

Cutting Range

Finishing Medium Cutting Finishing Roughing High-speed Finishing Finishing to Medium Cutting

— Uncoated

Process

PCD

FX

FX

FX

CBN

FW

FX

CBN

General Cutting

T1500A

AC1030U

AC1030U

AC1030U

BN7000

AC5015S

DA1000

BNX20

PCD

FX

FX

FX

FX

CBN

FW

CBN

High Precision Recommended Cutting Conditions

T1500A

AC1030U

AC1030U

AC1030U

BN7000

AC5015S

BNX20

DA1000

A10

A14

A16

A18

A22

A20

The FY chipbreaker and CBN and PCD inserts can also be used for stop-boring.

 Worldwide Warehouse Item ▲ USA Limited Availability Item

N m Recommended Tightening Torque (N·m)

E62

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