Sumitomo General Catalog 2025-2026

Multi-functional Small Lathe Tools Twin Head Holder

TWIN HEAD

■ Features ●  Having one holder that performs two operations is equivalent to mounting an additional tool on the drill sleeve toolpost. ●  External turning possible with the aid of a drill sleeve. ●  2 holder configurations, internal + external and internal + internal, are standard stocked items. ● Center height difference of the 2 cutting edges is below 40μm, which is good for high precision machining.

E

■ Advantages of the Twin Head Holder ● Conventional Tool 1st process (external diameter)

● Twin Head Holder 1st process (external diameter)

2nd process (internal diameter)

2nd process (internal diameter)

· A single tool performing 2 different operations. · Toolpost moving time can also be reduced.

· 2 different operations requiring 2 separate tools.

Internal + External Diameter Machining Screw-on + Clamp-on

DCON

Fig 1

LH2

H

LH

LF

CKBE Type

CDX

Refer to pages E67 - E68.

Holder (Internal Machining, Depth of Cut 6.0mm )

Dimensions ( mm )

* Max. Work Material

For Internal Diameter Machining Insert

For External Turning Insert

Diameter

Height Overall Length Head Depth of Cut

Head

Cat. No.

Fig

DCON H

LF

LH CDX

LH2

S1588X-CKBE-06 S16X-CKBE-06 S1905X-CKBE-06 S20X-CKBE-06 S22X-CKBE-06

1 1 1 1 1

15.875

15 15 17 18 20

130 130 130 130 130

27 27 27 27 27

6 6 6 6 6

10 10 10 10 10

12.0 12.0 12.0 12.0 12.0

    

16

KBMX R ○○ 06- ○○ KBMX R ○○ 06- ○○ T

DC □□ 21.5

19.05

20 22

* When machining internal diameter

Holder (Internal Machining, Depth of Cut 11.0mm )

Dimensions ( mm )

* Max. Work Material

For Internal Diameter Machining Insert

For External Turning Insert

Diameter

Height Overall Length Head Depth of Cut

Head

Cat. No.

Fig

DCON H 15.875 15

LF

LH CDX

LH2

S1588X-CKBE-11 S16X-CKBE-11 S1905X-CKBE-11 S20X-CKBE-11 S22X-CKBE-11

1 1 1 1 1

130 130 130 130 130

32 32 32 32 32

11 11 11 11 11

15 15 15 15 15

12.0 12.0 12.0 12.0 12.0

    

16

15 17 18 20

KBMX R ○○ 11- ○○ KBMX R ○○ 11- ○○ T

DC □□ 21.5

19.05

20 22

* When machining internal diameter

E67 to E68

B82 to B85

Internal Diameter Inserts

External Diameter Inserts

E10

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