Section E 25-26

Boring Bars B-SVJB / B-SVQB

Internal Profiling Screw-on

Steel with Anti-Vibration Mechanism

93°

Concave Facing and Bottom Facing B-SVJB

DMIN Min. Bore Dia.

Fig 1

DCON

52°

93°

LH3

H

-5°

LHD

LF

-5°

E

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 Head

Cat. No.

Fig

C

R L

Cat. No.

N m

DMIN DCON H LF WF LHD LH3

(For Torx Holes)

B20R-SVJB R/L1103-25   B25S-SVJB R/L1103-30  

25 30

20 19 200 2.0 55 37.5 25 24 250 3.5 62 45

1 BFTX02508NV 1.5 TRX08

Steel with Anti-Vibration Mechanism

VB □□ 22 □ B119

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.

D

R

Internal Profiling Screw-on

Steel with Anti-Vibration Mechanism

108°

Profiling B-SVQB

S

Fig 1

DMIN Min. Bore Dia.

DCON

108°

H

LF

T

35°

-6.5°

(-4.5°)

Figure shows right-hand (R) tool.

V

Holder

Parts

Dimensions ( mm )

Stock Min.

Applicable Insert

Flat Screw Wrench

Overall Length

Cutting Edge Distance

Diameter Height

Offset

Bore Dia.

Cat. No.

Fig

W

R L

Cat. No.

N m

DMIN DCON H LF WF E1

(For Torx Holes)

B16R-SVQB R/L 1103-20  B20R-SVQB R/L 1103-25 

20 25

16 15 200 11.5 4 20 18 200 14.5 5

1 BFTX02508NV 1.5 TRX08

Steel with Anti-Vibration Mechanism

VB □□ 22 □ B119

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.

1st Recommended Insert ● Refer as well to the Insert Selection Guide (page A10). ● Some combinations need to be made to order or cannot be manufactured. Applicable Inserts S-SVJB / B-SVJB / S-SVQB / B-SVQB / C-SVQB / S-SVUB / B-SVUB / C-SVUB / S-SVZB / B-SVZB / C-SVZB EGU Name of Chipbreaker/ CBN/PCD

Photo Grade

AC8025P

P (Steel)

M (Stainless Steel)

K (Cast Iron)

S (Exotic Alloy) N (Non-Ferrous)

H (Hardened Steel)

Application Range

Finishing to Medium Cutting No Chipbreaker

Finishing to Medium Cutting

Finishing to Medium Cutting

Medium Cutting

Medium Cutting

High-speed Finishing

Finishing

Finishing

Coated Uncoated

Process

CBN

MESI

EFB

ELB

EGU

EGU

CBN

CBN

AY

General Machining

T1500Z

AC8025P

AC6030M

AC6030M

BN7125/BNC500

AC4015K

AC5015S

H1

BNC2125

BN2000

CBN

CBN

MESI

FYS

FYS

MESI

MESI

CBN

High- precision Recommended Cutting Conditions

AC1030U

AC1030U

AC1030U

AC1030U

BN7125/BNC500

AC5015S

BNC2115

BN1000

A14~

A18~

A22~

A20~

A10~

A16~

BNC500 is for ductile cast iron.

 Worldwide Warehouse Item

N m Recommended Tightening Torque (N·m)

E56

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