Sumitomo General Catalog 2025-2026

CBN - SUMIBORON Inserts & Special Holders for High Efficiency Machining

95˚

95˚

DCLN External Turning and Facing

Fig 1

95˚

Insert

L33

-5˚

LH

LF

-5˚

(1) 2NC-CNGA434 (2) 2NC-CNGA435 (3) 2NC-CNGA436

(4) 4NC-CNGA434 (5) 4NC-CNGA435 (6) 4NC-CNGA436

Figure shows right-hand (R) tool.

L

Holder

Parts 

Dimensions ( mm )

Shim Screw

Overall Length

Cutting Edge

Cutting Edge Height

Wrench for Shims

Upper Surface Wrench

Lower Surface Wrench

Stock Height Width

Head

Clamp Set

Shim

Applicable Insert

Cat. No.

Fig

RL H BLFWF HF LH

N m

DCLN R/L 2525M12-R24   25 25 150 32 25 32

1 1

TRX15 (*)

○ NC-CNGA43 ○

DCLN R/L 3225P12-R24  DCLN R/L 3232P12-R24 

32 25 170 32 32 32 32 32 170 40 32 32

SCP-2

5.0 CNS1204-R24 BFTX0409N

LH040 LH025

1 *Dedicated tool holder for .063"/.079"/.094" nose radius inserts. Other sizes cannot be used. *Wrench for shim is sold separately from the main body.

93°

DDJN External / Proling

Fig 1

93˚

Insert

-5˚

L51

LH

LF

-7˚

(1) 2NC-DNGA434 (2) 2NC-DNGA435 (3) 2NC-DNGA436

(4) 4NC-DNGA434 (5) 4NC-DNGA435 (6) 4NC-DNGA436

Figure shows right-hand (R) tool.

Holder

Parts 

Dimensions (mm)

Shim Screw

Overall Length

Cutting Edge

Cutting Edge Height

Wrench for Shims

Upper Surface Wrench

Lower Surface Wrench

Stock Height Width

Head

Clamp Set

Shim

Applicable Insert

Cat. No.

Fig

RL H BLFWF HF LH

N m

DDJN R/L 2525M15-R24   25 25 150 32 25 32

1 1

TRX15 (*)

○ NC-DNGA43 ○

DDJN R/L 3225P15-R24  DDJN R/L 3232P15-R24 

32 25 170 32 32 38 32 32 170 40 32 38

SCP-2

5.0 DNS1504-R24 BFTX0409N

LH040 LH025

1 *Dedicated tool holder for .063"/.079"/.094" nose radius inserts. Other sizes cannot be used. *Wrench for shim is sold separately from the main body.

107.5˚

DDHN External / Proling

Fig 1

107.5˚

Insert

LH

L51

-8˚

LF

-5˚

(1) 2NC-DNGA434 (2) 2NC-DNGA435 (3) 2NC-DNGA436

(4) 4NC-DNGA434 (5) 4NC-DNGA435 (6) 4NC-DNGA436

Figure shows right-hand (R) tool.

Holder

Parts 

Dimensions ( mm )

Shim Screw

Overall Length

Cutting Edge

Cutting Edge Height

Wrench for Shims

Upper Surface Wrench

Lower Surface Wrench

Stock Height Width

Head

Clamp Set

Shim

Applicable Insert

Cat. No.

Fig

RL H BLFWF HF LH

N m

TRX15 (*)

DDHN R/L 2525M15-R24   25 25 150 35 25 35 ○ NC-DNGA43 ○

1 SCP-2

5.0 DNS1504-R24 BFTX0409N

LH040 LH025

*Dedicated tool holder for .063"/.079"/.094" nose radius inserts. Other sizes cannot be used. *Wrench for shim is sold separately from the main body.

L111

N m Recommended Tightening Torque (N·m)

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