Sumitomo General Catalog 2025-2026

GD Profiling Tool Holders

Dogbone Insert for Internal Profiling Clamp-on

Internal Proling GDE 645S ( W ) 845S ( W )

Fig 1

LF

45˚

(26)

45˚

CW

C

Figure shows right-hand (R) tool.

Holder

Parts 

Dimensions ( mm )

Carbide Piece Clamp

Special Steel Clamp

Cap Screw

Wrench

Stock

Overall Length

Cutting Edge

Cutting Edge Height

Width of Cut

Height Width

Group No.

Cat. No.

Fig

R L

H B LF WF

HF

CW

(For Hex Socket)

GDE R/L 2525-645S   GDE R/L 2525-845S GDE R/L 2525-645W GDE R/L 2525-845W

GDS645R/L GDS845R/L

25 25 150 30 25 25 150 30 25 25 150 30 25 25 150 30

25 25 25 25

6 8 6 8

1 1 2 1

BX0625 LH050

1 1 GDW645R/L 2 1 GDW845R/L

Refer to MDE insert group numbers below for applicable inserts.

● Dogbone Insert Insert ( Carbide /

C

PCD)

Dimensions ( mm )

Stock

Fig 1

Group No.

Nose Radius

Width of Cut

Rake Angle

Overall Length

D

RE

Thickness

Shape

Cat. No.

Fig

L

L

S

RE 3.0 4.0

CW

MDE3R-AW MDE4R-AW

26 30

8.5 8.5

6 8

 −  −

1 2

0° 0°

R

Fig 2

1

RE

AW

L

MDE3R

26 26 30 30 26 26 30

8.5 8.5 8.5 8.5 8.5 8.5 8.5

3.0 3.0 4.0 4.0 3.0 3.0 4.0

6 6 8 8 6 6 8

−  − l −  − l −  − l − 

1 1 2 2 1 1 2

S

MDE3RN7

-7°

MDE4R

2

Fig 3

MDE4RN7

-7°

RE

L

MDE3R-AW MDE3RN7AW MDE4R-AW

T

-7°

3

AW

V

W

l = USA Stocked item  = World Wide Warehouse Item

C61

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