Sumitomo General Catalog 2025-2026

Grooving Tools GND Grooving Toolholders

For Facing

Grooving / Traverse Cutting / Proling Grooving / Traverse Cutting / Proling

For Facing

For Facing Straight / L Type Series Overview MG : Multi-functional / General-purpose ML : Multi-functional / Low-feed GG : Grooving / General-purpose For Facing Straight / L Type Series Overview RG : Proling / General-purpose CF : Cut-off / Low cutting force CG : Cut-off / General-purpose GL : Grooving / Low-feed GF : Grooving / Low cutting force MG : Multi-functional / General-purpose ML : Multi-functional / Low-feed GG : Grooving / General-purpose RG : Proling / General-purpose CF : Cut-off / Low cutting force CG : Cut-off / General-purpose GL : Grooving / Low-feed GF : Grooving / Low cutting force RN : Facing / Necking / General-purpose GA : Non-ferrous Metal / General-purpose RN : Facing / Necking / General-purpose GA : Non-ferrous Metal / General-purpose

Shank Size (H x W) .750” x .750” 1.000” x 1.000” GNDF Straight Type 20mm × 20mm 25mm × 25mm Shank Size (H x W) .750” x .750” 1.000” x 1.000” F34 20mm × 20mm 25mm × 25mm F34 GNDF Straight Type

GNDFS L Type

Shank Size (H x W) 25mm × 25mm 32mm × 32mm

F35

F36

F35

F36

Seat Size 1.25 1.5 2.0 3.0 4.0 5.0 6.0 7.0 8.0 Applicable Chipbreaker Applicable Chipbreaker MG ML GG GL GF CG CF RG RN GA MG ML GG GL GF Seat Size 1.25 1.5 2.0

Seat Size 1.25 1.5 2.0 3.0 4.0 5.0 6.0 7.0 8.0 Applicable Chipbreaker Applicable Chipbreaker MG ML GG GL GF CG CF RG RN GA MG ML GG GL GF CG CF RG RN GA Seat Size 1.25 1.5 2.0 3.0 4.0 5.0 6.0 7.0 8.0

Shank Size (Inch)

Seat Size Seat Size

Maximum Groove Depth (In.) Max. Work Diameter (In.) Maximum Groove Depth (In.) Max. Work Diameter (In.)

Applicable Chipbreakers

Ref. Page

Applicable Chipbreakers

Ref. Page

Series Series

MG ML GG GL GF CG CF RG RN GA G G G G G G G G G G G G G G G G G G G G G G G G G

5 1015202530 5 1015202530

50 100 150 200 250 300 1,000

Height H WidthB3 4 5 6 7 8 Height H WidthB3 4 5 6 7 8

MG ML GG GL GF CG CF RG RN GA G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G MG ML GG GL GF CG CF RG RN GA G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G Applicable Chipbreakers G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G : Best

50 100 150 200 250 300 1,000

.500 .500

F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34

3 3 3 3 3 3 3

.500 .500

F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34 F34

ø1.378 ø1.772 ø1.575 ø2.165 ø1.969 ø2.756 ø2.559 ø3.937

3 3 3 3 3 3 3

ø1.378 ø1.772 ø1.575 ø2.165 ø1.969 ø2.756 ø2.559 ø3.937 ø3.543 ø5.906

.700 .700 .700 .700 .700 .700

GNDF GNDF

ø3.543 ø5.906 ø5.512 ø7.874

ø5.512 ø7.874 ø7.087

ø11.811

4 4 4 4 4 4 4

ø7.087

ø11.811

ø1.575 ø2.165 ø1.969 ø2.756 ø2.559 ø3.543

4 4 4 4 4 4 4

.900 .900 .900 .900 .900 .900 .900 .900 .900 .900 .900 .900 .900 .900 .900 .900 .900

ø1.575 ø2.165 ø1.969 ø2.756 ø2.559 ø3.543 ø3.346 ø5.118

.900 .900 .900 .900 .900 .900 .900 .900 .900 .900 .900 .900 .900 .900 .900 .900 .900

GNDF GNDF

.750 1.00

ø3.346 ø5.118 ø4.921

ø7.874

.750 1.00

ø7.087

ø11.811

ø4.921

ø7.874

ø11.024 ø39.370

ø7.087

ø11.811

5 5 5 5 5 5

ø1.969 ø2.756 ø2.559 ø3.543

ø11.024 ø39.370

5 5 5 5 5 5

ø1.969 ø2.756 ø2.559 ø3.543 ø3.346 ø5.118

GNDF GNDF

ø4.921

ø7.874

ø3.346 ø5.118

ø7.087

ø11.811

ø4.921

ø7.874

ø11.024 ø39.370

ø7.087

ø11.811

6 6 6 6 6

ø1.969 ø2.953

ø11.024 ø39.370

ø2.756 ø4.331

6 6 6 6 6

GNDF

ø1.969 ø2.953 ø2.756 ø4.331 ø7.087 ø3.397 ø7.874

ø11.811

GNDF

ø3.397 ø7.874

ø11.024 ø39.370

ø7.087

ø11.811

Shank Size ( mm )

Maximum Groove Depth ( mm ) Max. Work Diameter ( mm )

Seat Size

Ref. Page

Series

ø11.024 ø39.370

Applicable Chipbreakers MG ML GG GL GF CG CF RG RN GA G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G

5 1015202530

50 100 150 200 250 300 1,000

Height H WidthB3 4 5 6 7 8

Shank Size ( mm )

Maximum Groove Depth ( mm ) Max. Work Diameter ( mm )

Seat Size

Ref. Page

12 12

F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F36 F36 F36 F36 F36 F36 F36 F36 F36 F36

3 3 3 3 3 3 3

Series

ø35 ø45 ø40 ø55

5 1015202530

50 100 150 200 250 300 1,000

Height H WidthB3 4 5 6 7 8

18 18 18 18 18 18

12 12

F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F35 F36 F36 F36 F36 F36 F36 F36 F36

ø50 ø70

3 3 3 3 3 3 3

ø35 ø45 ø40 ø55 ø65 ø100

GNDF

ø50 ø70 ø90 ø150 ø65 ø100

18 18 18 18 18 18

ø140 ø200

GNDF

ø180

ø300

ø90 ø150

4 4 4 4 4 4 4

ø40 ø55

23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23

ø140 ø200

ø50 ø70

ø180

ø300

ø65 ø90

4 4 4 4 4 4 4

GNDF

ø40 ø55 ø85 ø130

23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23

ø50 ø70 ø125

20 25

ø200

ø65 ø90

ø180

ø300

GNDF

ø280 ø1,000

ø85 ø130

5 5 5 5 5 5

ø50 ø70

20 25

ø125

ø200

ø65 ø90

ø180

ø300

ø85 ø130

GNDF

ø280 ø1,000

5 5 5 5 5 5

ø50 ø70 ø125

ø200

ø180

ø300

ø65 ø90

ø280 ø1,000

ø85 ø130

GNDF

6 6 6 6 6 6 6 6 6 6

ø50 ø75

ø125

ø200

ø70 ø110

ø180

ø300

GNDF

ø100 ø200

ø280 ø1,000

ø180

ø300

6 6 6 6 6 6 6 6 6 6

ø50 ø75

ø280 ø1,000

20 20 20 20 20 20 20 20 20 20

ø70 ø110

ø70 ø100

GNDF GNDFS

ø100 ø200

ø180

ø300

ø180

ø300

ø280 ø1,000 ø450 up

ø280 ø1,000

20 25

20 20 20 20 20 20 20 20

ø70 ø100

8 8 8 8 8

ø70 ø100

ø100 ø200

GNDFS GNDFS

ø100 ø200

ø180

ø300

ø180

ø280 ø1,000 ø450 up ø300

20 25

F12

ø280 ø1,000 ø450 up

8 8 8

ø70 ø100

: In Stock

: Made-to-order item

ø100 ø200 ø180

GNDFS

ø300

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