Sumitomo General Catalog 2025-2026

Boring Bars D-SDUC / A-SDUP / A-SDXP

Coolant Hole Steel with Anti-Vibration Mechanism

DMIN Min Bore Dia.

DCON

X-Bar Boring Bar D-SDUC

93°

LF

GAMF

Holder

Parts 

Dimensions (inch)

Cutting Edge Distance

Min. Bore Dia.

Cutting Edge Height

Applicable Insert

E

Overall Length

Rake Angle

Stock

Wrench

Screw

Diameter Height

Head

Cat. No.

Fig

Ref. Page

R L

Cat. No.

N m

DMIN DCON H HF LF WF LH GAMF

(For Torx Socket)

C

D08RSDUCR2 D10SSDUCR2

0.730 0.500 0.500 0.850 0.625 0.625

8.000 0.375 0.500 -8° 10.000 0.437 0.625 -6° 10.000 0.562 0.750 -6° 12.000 0.750 1.000 -6°

1 1 1 1

— — — —

l l

BFTX02506N

DC □□ 21.5 □ B82

0.9

TRD08

D12SSDUC R/L 3 l l 0.980 0.750 0.750 D16TSDUC R/L 3 l l 1.300 1.000 1.000

BFTX0409N

DC □□ 32.5 □ B86

3.0

TRX15

Wrench for shim is sold separately from the main body.

Coolant Through

D

Steel Coolant Hole

DMIN Min. Bore Dia.

H

27° Chamfering & Proling A-SDUP

R

DCON

WF

LF

55°

S

GAMF

Holder

Parts 

Dimensions (inch) Hardware when Boring bar lot# begins with D### Wrench Screw

Min. Bore Dia.

Cutting Edge Height

Cutting Edge Distance

Overall Length

Rake Angle

Stock

Applicable Insert

Wrench Screw

Diameter Height

Head

T

Cat. No.

Fig

Ref. Page

R L

Cat. No.

N m

DMIN DCON H HF LF WF LH GAMF

(For Torx Socket)

(For Torx Socket)

V

A06SDUP R/L 2 pp 0.600 0.375 0.375 A08SDUP R/L 2 pp 0.730 0.500 0.500

6.000 0.375 0.625 -3° 8.000 0.437 0.500 -2°

1 0.9 TRD07 ST-1425 TRX08 ST21.5 1

— —

DP □□ 21.5 □

A10SDUP R/L 2 p

0.850 0.625

B89

10.000 0.500

1 1 1

— —

A12SDUP R/L 3 pp 0.980 0.750 0.750 A16SDUP R/L 3 pp 1.300 1.000 1.000 Wrench for shim is sold separately from the main body.

10.000 0.562 0.750 0° 12.000 0.750 1.000 0°

— —

DP □□ 32.5 □

3.0 TRX15 BFTX0407N

ST32.5

W

Coolant Through

Steel Coolant Hole

DMIN Min. Bore Dia.

Chamfering & Proling A-SDXP

H

DCON

25°

WF

LF

55°

GAMF

Holder

Parts 

Dimensions (inch)

Min. Bore Dia.

Cutting Edge Height

Cutting Edge Distance

Hardware when Boring bar lot# begins with D### Wrench Screw

Rake Angle

Overall Length

Stock

Applicable Insert

Wrench Screw

Diameter Height

Head

Cat. No.

Fig

Ref. Page

R L

Cat. No.

N m

DMIN DCON H HF LF WF LH GAMF

(For Torx Socket)

(For Torx Socket)

A08SDXP R/L 2 pp 0.730 0.500 A10SDXP R/L 2 pp 0.850 0.625 0.625 A12SDXP R/L 3 pp 0.980 0.750 A16SDXP R/L 3 pp 1.300 1.000 1.000 Wrench for shim is sold separately from the main body.

8.500 0.437

1 0.9 TRD07 ST-1425 TRX08 ST21.5

— —

DP □□ 21.5 □

10.000 0.500 1.000 0°

1 1 1

B89

10.750 0.562

-2°

— —

DP □□ 32.5 □

3.0 TRX15 BFTX0407N

ST32.5

12.750 0.750 1.500 0°

Coolant Through

• USA Stocked Item p USA Limited Availability Item

E42

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