Sumitomo General Catalog 2025-2026

Boring Bars C-SVQB / C-SVUB / C-SVZB

Internal Profiling Screw-on

108°

Carbide

Profiling C-SVQB

DMIN Min. Bore Dia.

Fig 1

DCON

108°

H

LF

35°

-6.5°

(-4.5°)

Figure shows right-hand (R) tool.

E

Holder

Parts

Dimensions ( mm )

Stock Min. Bore Dia.

Applicable Insert

Flat Screw Wrench

Cutting Edge Distance

Overall Length

Offset

Diameter Height

Cat. No.

Fig

R L

Cat. No.

N m

C

DMIN DCON H LF WF E1

(For Torx Holes)

C16R-SVQB R/L1103-20  C20R-SVQB R/L1103-25 

20 25

16 15 200 11.5 4 20 18 200 14.5 5

1 1

VB □□ 22 B119

Carbide

BFTX02508NV 1.5 TRX08

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.

D

Internal Profiling Screw-on

Carbide

93˚

Profiling C-SVUB

R

Fig 1

DCON

DMIN Min. Bore Dia.

93°

H

S

LF

35°

-7.5°

(-2.5°)

Figure shows right-hand (R) tool.

Holder

Parts

T

Dimensions ( mm )

Stock Min. Bore Dia.

Applicable Insert

Flat Screw Wrench

Cutting Edge Distance

Overall Length

Offset

Diameter Height

Cat. No.

Fig

R L

Cat. No.

N m

V

DMIN DCON H LF WF E1

(For Torx Holes)

C12M-SVUB R/L1103-20 

20 25

12 16

11 150 13.5 8 15 200 16.5 9

1 1

VB □□ 22 □ B119

BFTX02508NV 1.5 TRX08

Carbide

C16R-SVUB R/L1103-25

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.

W

Internal Profiling Screw-on

93° Carbide

Profiling C-SVZB

Fig 1

DMIN Min. Bore Dia.

DCON

93° 35°

H

LF

15

-7.5°

(-2.5°)

Figure shows right-hand (R) tool.

Holder

Parts

Dimensions ( mm )

Stock Min. Bore Dia.

Applicable Insert

Flat Screw Wrench

Cutting Edge Distance

Overall Length

Offset

Diameter Height

Cat. No.

Fig

R L

Cat. No.

N m

DMIN DCON H LF WF E1

(For Torx Holes)

C12M-SVZB R/L1103-20  C16R-SVZB R/L1103-25 

20 25

12 11 150 13.5 8 16 15 200 16.5 9

1 BFTX02508NV 1.5 TRX08

VB □□ 22 □ B119

Carbide

1

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.

 Worldwide Warehouse Item

N m Recommended Tightening Torque (N·m)

E55

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