Sumitomo General Catalog 2025-2026

External Holders DVVN /DVQN

D Style Holder - General Turning and Profiling Double Clamp

72.5˚

External / Proling DVVN

Fig 1

72.5˚

LF

LH

–14˚

C

Holder

Parts 

Dimensions ( mm )

Shim Screw

Clamp Set

Wrench for Shims

Upper Surface Wrench

Lower Surface Wrench

Cutting Edge Height

Shim

Applicable Insert

Overall Length

Cutting Edge

Height Width

Head

Cat. No.

Fig

Ref. Page

Cat. No.

N m

H B LF WF HFLH

(For Torx Holes) (For Hex Socket) (For Hex Socket)

DVVNN2020K16  20 20 125 10.0 20 37 DVVNN2525M16  25 25 150 12.5 25 37 Wrench for shim is sold separately from the main body.

1 1

VN □□ 33 □

B62

5.0 VNS1604 BFTX0307N TRX10 LH040 LH025

SCP-4

C3

Clamp Set Parts

D Holder - General Turning, Profiling and Undercutting Double Clamp

117.5˚

C

External / Proling / Undercutting DVQN

Fig 1

D

117.5˚

LF

–10˚

LH

–13˚

R

Figure shows right-hand (R) tool.

Holder

Parts 

S

Dimensions ( mm )

Shim Screw

Applicable Insert

Clamp Set

Wrench for Shims

Upper Surface Wrench

Lower Surface Wrench

Cutting Edge Height

Shim

Stock

Overall Length

Cutting Edge

Height Width

Head

Cat. No.

Fig

Ref. Page

R L

Cat. No.

T

N m

H B LF WF HFLH

(For Torx Holes) (For Hex Socket) (For Hex Socket)

DVQN R/L 2020K16

1 SCP-4 5.0 VNS1604 BFTX0307N TRX10(*) LH040 LH025

  20 20 125 25 20 35

VN □□ 33 □ B62

DVQN R/L 2525M16   25 25 150 32 25 35

1

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

C3

Clamp Set Parts

V

Applicable Inserts DVJN / DVVN / DVQN

EGU Name of

W

1st Recommended Insert  Refer as well to the Insert Selection Guide (page A10).

Chipbreaker / CBN / PCD

Photo Grade

 Some combinations need to be made to order or cannot be manufactured.

AC8025P

P (Steel)

M (Stainless Steel)

K (Cast Iron)

S (Exotic Alloy)

N (Non-ferrous)

H (Hardened Steel)

Hard Brittle Material

Cutting Range

-

Process

Finishing Medium Cutting Finishing Medium Cutting High-speed Finishing Finishing to Medium Cutting

Finishing Medium Cutting

Coated

Uncoated

Finishing

EGU

EEG

ENZ

EEF

EEG

EFE

EEF

Binderless PCD

PCD

CBN

CBN

CBN

Continuous Cutting

T1500Z

AC8015P

AC6020M

AC6020M

BN7000/BNC500

AC4010K

AC5015S

AC5015S

DA1000

BNC2010

BN1000

NPD10

ESU

EGU

EEG

EGZ

EEF

EEG

EEF

CBN

CBN

CBN

PCD

PCD

General Cutting

AC8015P

AC8025P

AC6030M

AC6030M

BN7000/BNC500

AC4015K

AC5015S

AC5015S

DA1000

BNC2020

BN2000

DA90

EUX

EEF

EEG

EGZ

EEF

EEG

ESX

CBN

CBN

CBN

PCD

Interrupted Cutting Recommended Cutting Conditions

-

AC8025P

AC8035P

AC6030M

AC6040M

BN7000/BNC500

AC420 K

AC5025S

AC5025S

BNC300

BN350

DA1000

A10

A14

A16

A18

A20

A22

M2

BNC500 is for ductile cast iron.

 = World Wide Warehouse Item

N m Recommended Tightening Torque (N·m)

C30

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