Sumitomo General Catalog 2025-2026

External Holders DTGN / DTJN-AN / MTAN

Fig 1

D Style Holder - General Turning and Profiling Double Clamp

91˚

91˚

–5˚

DTGN External Turning

LH

LF

Fig 1

–5˚

91˚

–5˚

Figure shows right-hand (R) tool.

LH

LF

–5˚

Holder

Parts 

Dimensions (inch/ mm )

C

Clamp Screw

Applicable Insert

Shim Screw

Shim Wrench

Clamp Wrench

Pin/ Shim Wrench

Cutting Edge Height

Stock

Clamp Set Shim

Clamp Spring

Overall Length

Cutting Edge

Figure shows right-hand (R) tool.

Height Width

Head

Cat. No.

Fig

Ref. Page

R L

Cat. No.

N m

H B LFWFHFLH

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

DTGN R/L 123BN   0.7500.7504.5000.7500.7501.102 DTGN R/L 163DN   1.0001.0006.0001.0001.0001.102 DTGN R/L 164DN   1.0001.0006.0001.2501.0001.338 DTGN R/L 204DN   1.2501.2506.0001.2501.2501.338 DTGN R/L 2020K16   20 20 125 25 20 31 DTGN R/L 2525M16   25 25 150 32 25 31 * Wrench for shim is sold separately from the main body.

1 1 1 1

TN □□ 33 □ B52

3.5 ITSN342 ST-1764 —

LH040 CL-2708 SP-4294 CLB-1695

TN □□ 43 □ B56

3.5 ITSN443 ST-1766 —

LH040 CL-2712 SP-4295 CLB-1696

1 SCP-1 5.0 TNS1604 BFTX0307N TRX10 LH040 LH025 — — —

TN □□ 33 □ B52

1

C3

Clamp Set Parts

Toolholder / Multipurpose DTJN-AN

Fig 1

C

LH

Figure shows right-hand (R) tool.

-6º

LF

-6º

D

Holder *Coolant Through (see page F29 for example and list of coolant-through parts) Parts 

C3

Clamp Set Parts

Dimensions (inch)

Shim Screw

Clamp Screw

Clamp Wrench

Shim Wrench

Applicable Insert

Cutting Edge Height

Stock

Shim

Clamp Spring

Overall Length

Cutting Edge

Height Width

Head

R

Cat. No.

Fig

Ref. Page

R L

Cat. No.

N m

H B LFWFHFLH DTJN R/L 123BAN*   0.750 0.750 4.500 1.000 0.750 1.250 DTJN R/L 163DAN*   1.000 1.000 6.000 1.250 1.000 1.250 DTJN R/L 164DAN*   1.000 1.000 6.000 1.250 1.000 1.375 DTJN R/L 204DAN*   1.250 1.250 6.000 1.500 1.250 1.250 DTJN R/L 244EAN*   1.500 1.500 7.000 2.000 1.500 1.375

(For Hex Socket)(For Hex Socket)

1 3.5 ITSN342 ST-1764 LH040 CL-2708 SP-4294 CLB-1695 1 3.5 ITS443 ST-1766 LH040 CL-2712 SP-4295 CLB-1696 1 1

TN □□ 33 □ B52

S

TN □□ 43 □ B56

1

M Style Holder - General Turning and Profiling Clamp-on + Pin Lock

T

91˚

External / Proling MTAN

Fig 1

V

Figure shows right-hand (R) tool.

LH

-6º

LF

-6º

W

Holder

Parts 

Dimensions (inch)

Clamp Screw

Lock Pin

Clamp Wrench

Shim Wrench

Applicable Insert

Cutting Edge Height

Clamp

Stock

Shim

Overall Length

Cutting Edge

Height Width

Head

Cat. No.

Fig

Ref. Page

R L

Cat. No.

N m

H B LFWFHFLH MTAN R/L 082A   0.500 0.500 4.000 0.500 0.500 0.875 TN □□ 22 □ B51 1 3.5 —

(For Hex Socket)(For Hex Socket)

NL23 LH3/32 LH1/16 CL7 XNS-34

MTAN R/L 103B

0.625 0.625 4.500 0.625 0.625 0.875 TN □□ 32 □

1 3.0

LH020 LH030

MTAN R/L 123B   0.750 0.750 4.500 0.750 0.750 1.060 MTAN R/L 163D   1.000 1.000 6.000 1.000 1.000 1.060

ITSN323 NL34L

1

TN □□ 33 □ B52

3.0

CL20 XNS48

LH1/8 LH5/64

1 MTAN R/L 164D   1.000 1.000 6.000 1.000 1.000 1.220 TN □□ 43 □ B56 1 3.0 ITSN433 NL46 LH1/8 LH3/32 MTAN R/L 205D   1.250 1.250 6.000 1.250 1.250 1.430 TN □□ 54 □ B59 1 MTAN R/L 245D   1.500 1.500 6.000 1.500 1.500 1.430 1

3.5 ITSN533 NL58 LH040 LH1/8 CL12 XNS-510

 = World Wide Warehouse Item

C20

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