Sumitomo General Catalog 2025-2026

Boring Bars S-EDZN / D-DDQN

Profiling Pin Lock

93° Steel

DMIN Min. Bore Dia.

Fig 1

S-EDZN Profiling

DCON

93˚

H

LHD

LF

GAMF

E

-5 °

Figure shows right-hand (R) tool.

Holder

Parts

Dimensions ( mm )

Stock Min. Bore Dia.

Applicable Insert

Shim Eccentric Pin Wrench

Cutting Edge Distance

Overall Length

Rake Angle

C

Diameter Height

Head

Offset

Cat. No.

Fig

R L

Cat. No.

DMIN DCON H LF LHD WF E1 GAMF

(For Hex Socket)

S25R-EDZN R/L1104-34 S32S-EDZN R/L1504-44

34 25 23 200 20 17 5.5 -12° DN □□ 3 3□ B31 1 SDW323 CPB34 LH025 44 32 30 250 25 22 7.0 -10° DN □□ 4 3□ B32 1 SDW423 CPB43 LH030

 

Steel

D

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.

R

Coolant Hole Steel with Anti-Vibration Mechanism

S

Internal Boring D-DDQN

17°30'

T

DMIN

DCON

12°30'

WF

1/4-18 NPT

LF

V

55°

17°30'

GAMF 10°

Holder

Parts 

W

Dimensions (inch)

Min. Bore Dia.

Cutting Edge Height

Cutting Edge Distance

Applicable Insert

Clamp Set

Overall Length

Rake Angle

Wrench Shim Screw

Diameter Height

Head

Cat. No.

Fig

Ref. Page

R

Cat. No.

N m

DMIN DCON H HF LF WF LH GAMF

(For Hex Socket) LH040 LH025

D20TDDQNR4 • 1.705 1.250 — — 12.000 1.000 — -12° D24UDDQNR4 • 2.000 1.500 — — 14.000 1.250 — -8°

1 1

DN □□ 43 □ B32

DNS1506B BFTX0409N

0.9 SCP-2

•Wrench for shim is sold separately from the main body.

C3

Clamp Set Parts

E18

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