Sumitomo General Catalog 2025-2026

Boring Bars CSTJO / D-STUP

Carbide

Internal Boring CSTJO

DCON

DMIN MIN BORE

DCON

WF

θ°

LHD

H

E

LF

Holder

Parts 

Dimensions (inch)

Min. Bore Dia.

Cutting Edge Distance

Cutting Edge Height

Applicable Insert

Overall Length

Head Length

Rake Angle

Wrench Screw

Diameter Height

Width

C

Cat. No.

Fig

Ref. Page

R L

Cat. No.

N m

DMIN DCON H HF LF WF W LHD GAMF

(For Torx Socket)

CSTJO R/L 065 • • 0.313 0.375 — — 5.00 0.156 0.336 1.781 -12° TB □□ 52 □ B101 1 CSTJO R/L 066 • • 0.375 0.375 — — 5.00 0.188 0.336 1.781 -8° TP □□ 63 □ B107 1 CSTJO R/L 062 • • 0.500 0.375 — — 7.00 0.250 0.336 — -5° TP □□ 22 □ B111 1 CSTJO R/L 082 • • 0.625 0.500 — — 8.00 0.312 0.462 — -2° 1 0.750 0.625 — — 10.00 0.375 0.586 — -2° 1 CSTJO R/L 123 • • 1.000 0.750 — — 10.00 0.500 0.672 — -2° TP □□ 33 □ B114 1 CSTJO R/L 102 •

D

BFTX0204A

TRX06

BFTX0306A

TRX10 BFTX0307A

R

TRX15 BFTX0410A

Wrench for shim is sold separately from the main body.

Maximum overhang = 3xD

S

Coolant Hole Steel with Anti-Vibration Mechanism

Internal Finishing to Medium Cutting Screw-on

93˚

T

D-STUP Stop Boring

DMIN Min. Bore Dia.

Fig 1

DCON

With oil hole

93˚

V

H

GAMF

LF

LHD

W

Figure shows right-hand (R) tool.

Holder

Parts

Dimensions ( mm )

Stock Min. Bore Dia.

Applicable Insert

Flat Screw Wrench

Cutting Edge Distance

Overall Length

Rake Angle

Diameter Height

Head

Cat. No.

Fig

R L

Cat. No.

N m

DMIN DCON H LF WF LHD GAMF

(For Torx Holes)

D08RSTUP R/L 2 D10SSTUP R/L 2 D12SSTUP R/L 2 D16TSTUP R/L 3

• • 0.600 0.500 0.500 8.00 0.300 — • • 0.770 0.625 0.625 10.00 0.385 — • • 0.930 0.750 0.750 10.00 0.465 — • • 1.200 1.000 1.000 12.00 0.600 —

-7° -4° -2° -7° -4° -2°

1 1

BFTX0306A

Steel with Anti- Vibration Mechanism with Oil Hole Steel with Anti- Vibration Mechanism with Oil Hole

TP □□ 22 □ B111

2.0

TRX10

1 BFTX0307A

-2° TP □□ 33 □ B114 1 BFTX0410A 3.4

TRX15

D12M-STUP R/L1103-14   D16R-STUP R/L1103-18   D20S-STUP R/L1103-22  

14 18 22

12 11 150 7 17 16 15 200 9 18 20 18 250 11 18

1 1

BFTX0306A 2.0

TP □□ 22 □ B111

TRX10

1 BFTX0307A 2.0

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.

• USA Stocked Item  Worldwide Warehouse Item

N m Recommended Tightening Torque (N·m)

E51

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