Sumitomo General Catalog 2025-2026

Cut-off Tool Holders Selection Guide

Cut-off

5.512” / 140

WCFH32 Carbide Holder

4.724” / 120

3.937” / 100

STFH32 Steel Holder

3.150” / 80

WCFS Carbide Holder WCFH26 Carbide Holder STFS Steel Holder

STFH26 Steel Holder

2.362” / 60

GNDL-J Internal Coolant Supply GNXL Internal Coolant Supply GNDM-J Internal Coolant Supply

F

GNDL

GNDL For Small Lathes

1.575” / 40

GNDM

.787” / 20

GNDM For Small Lathes

SCT

0

.0394” / 1

.0787” /2 .1181” / 3 .1575” / 4 .1969” / 5 .2362” / 6 .2756” / 7 .3150” / 8 .3543” / 9

Groove Width (Inch / mm )

■ Range of Tool Applications (For Solid Workpieces)

Cut-off Dia. Groove Width

Insert Shape ( ): indicates no. of cutting edges

25

50

75

100 (mm)

Series

Shape

Features

2

4

6

8

10 (mm)

SCT

· Ground insert with good sharpness · Can clamp even from behind · 2-cornered type

16.0

(2)

2.0

In Stock: Right Left Neutral

0.5

GNDM(-J)/ GNDL(-J) GNDXL GNDM/ GNDL For Small Lathes WCFH/ WCFS STFH/ STFS (SumiGrip Jr.) (SumiGrip)

· High-rigidity design and outstanding chip control · Unground 2-cornered type · Available Seat Size starting at 1.25mm

32.0

1.25

3.0

(2)

In Stock: Right Left Neutral

· High-rigidity body, rigid clamping · Outstanding chip control · Unground 2-cornered type · Can be used for large diameter machining up to ø100mm · Economical steel shank · 1-cornered self-grip type · Can be used for large diameter machining up to ø140mm · High-rigidity carbide shank · 1-cornered self-grip type

50.0

2.0

8.0

100.0

(1)

2.0

5.0

In Stock: Right Left Neutral

140.0

(1)

2.0

5.0

In Stock: Right Left Neutral

■ Cut-Off Tool Series

Small Diameter Cut-Off Toolholders SCT

· Our rst recommendation for small lathes · Excellent sharpness reduces cutting resistance and central pips!

Cut-off Toolholders GND Grooving GNDM(-J) / GNDL(-J) GNDXL

· Our rst recommendation for small to medium diameters · Enables stable cutting off due to high-rigidity body and rigid clamping · Our rst recommendation for medium to large diameters · Blade type is also available for cutting off up to ø140mm

Cut-off Toolholders SumiGrip Jr. Steel Shank

SumiGrip Carbide Shank

F59

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