Sumitomo General Catalog 2025-2026

Grooving Tools GNDXL

GND for External Deep Grooving and Parting

Fig 1

CDX

External

Fig 1

GNDXL External Grooving

CDX

LF

LH

LF

LH

Figure shows right hand (R) tool.

F

本図は右勝手(R)を示す。

Holder

Parts

Dimensions (Inch / mm )

Cutting Edge Distance

Cutting Edge Height

Max. Groove Depth

Overall Length

Seat Size

Stock

Cap Screw Wrench

Height Width

Head

Applicable Insert

Cat. No.

Fig

R L

N m

H B LF WF HF LHCW CDX

GNDXL R/L 122K-100

0.750 0.750 5.000 0.750 0.750 1.654 2

1.000 2.000 GCMN2002-GF1 1 1.250 2.500 GCMN30 ○○ - □□ 1 1 1.250 2.500 GCMN40 ○○ - □□ 1 1 1.250 2.500 GCMN50 ○○ - □□ 1 1 1.250 2.500 GCMN60 ○○ - □□ 1 1 1.000 2.000 GCMN2002-GF1 1 1.250 2.500 GCMN30 ○○ - □□ 1 1 1.250 2.500 GCMN40 ○○ - □□ 1 1 1.250 2.500 GCMN50 ○○ - □□ 1 1 1.250 2.500 GCMN60 ○○ - □□ 1 1

GNDXL R/L 123K-125 ● ● 0.750 0.750 5.000 0.750 0.750 1.890 3 GNDXL R/L 124K-125 ● ● 0.750 0.750 5.000 0.750 0.750 1.890 4 GNDXL R/L 125K-125 ● ● 0.750 0.750 5.000 0.750 0.750 1.890 5 GNDXL R/L 126K-125 ● ● 0.750 0.750 5.000 0.750 0.750 1.890 6 GNDXL R/L 163M-125 ● ● 1.000 1.000 6.000 1.000 1.000 1.890 3 GNDXL R/L 164M-125 ● ● 1.000 1.000 6.000 1.000 1.000 1.890 4 GNDXL R/L 165M-125 ● ● 1.000 1.000 6.000 1.000 1.000 1.890 5 GNDXL R/L 166M-125 ● ● 1.000 1.000 6.000 1.000 1.000 1.890 6 GNDXL R/L 162M-100 1.000 1.000 6.000 1.000 1.000 1.654 2

BX0520 5.0 LH040

BX0520 5.0 LH040

GNDXL R/L 2020K-226

20 20 125 20 20 42.0 2 26 52 GCM N2002-GF1 1

GNDXL R/L 2020K-332   20 20 125 20 20 48.0 3 32 64 GCM N30 ○○ - □□ 1 1 GNDXL R/L 2020K-432   20 20 125 20 20 48.0 4 32 64 GCM N40 ○○ - □□ 1 1 GNDXL R/L 2020K-532   20 20 125 20 20 48.0 5 32 64 GCM N50 ○○ - □□ 1 1 GNDXL R/L 2020K-632   20 20 125 20 20 48.0 6 32 64 GCM N60 ○○ - □□ 1 1 GNDXL R/L 2525M-226 25 25 150 25 25 42.0 2 26 52 GCM N2002-GF1 1 GNDXL R/L 2525M-332   25 25 150 25 25 48.0 3 32 64 GCM N30 ○○ - □□ 1 1 GNDXL R/L 2525M-432   25 25 150 25 25 48.0 4 32 64 GCM N40 ○○ - □□ 1 1 GNDXL R/L 2525M-532   25 25 150 25 25 48.0 5 32 64 GCM N50 ○○ - □□ 1 1 GNDXL R/L 2525M-632   25 25 150 25 25 48.0 6 32 64 GCM N60 ○○ - □□ 1 1

BX0520 5.0 LH040

LH040

BX0520 5.0

Use the same combination of insert and holder edge width CW. Only one corner insert is available. The maximum groove depth CDX is the value for grooving.

GNDXL Insert (1 Corner)

Fig 1

Fig 2

2-RE

RE

L

L

Grooving / Traversing (1 corner)

Radius Grooving / Necking (1 corner) 

Dimensions (Inch / mm )

Dimensions (Inch / mm

Nose Radius

Overall Length

Nose Radius

Overall Length

Seat Size CW

Thickness

Seat Size CW

Thickness

Cat. No.

Fig

Cat. No.

Fig

Seat Size

Grooving Width

Seat Size

Grooving Width

Tolerance RE L S GCMN3002-ML1 ● ● ● 3.0 .118 ±.0012 .0079 .8307 .1496 5 1 GCMN4004-ML1 ● ● ● 4.0 .157 ±.0012 .0156 1.0394 .1575 1 GCMN5004-ML1 ● ● ● 5.0 .197 ±.0012 .0156 1.0394 .1614 1 GCMN6004-ML1 ● ● ● 6.0 .236 ±.0012 .0156 1.0394 .1772 1 Grooving and Parting (1 corner) Dimensions (Inch / mm )

Tolerance RE L S GCMN3015-RN1 ● ● ● 3.0 .118 ±.0012 .0591 .8819 .1496 5 2 GCMN6030-RN1 ● ● ● 6.0 .236 ±.0012 .1181 1.1063 .1772 2

Nose Radius

Overall Length

Seat Size CW

Thickness

Cat. No.

Fig

Seat Size

Grooving Width

Tolerance RE L S

.078 ±.0012 .0079 .8307 .1417

GCMN2002-GF1 1 GCMN3002-GF1 ● ● ● 3.0 .118 ±.0012 .0079 .8307 .1496 1 GCMN4002-GF1 ● ● ● 4.0 .157 ±.0012 .0079 1.0394 .1575 1 GCMN5002-GF1 ● ● ● 5.0 .197 ±.0012 .0079 1.0394 .1614 1 GCMN6002-GF1 ● ● ● 6.0 .236 ±.0012 .0079 1.0394 .1772 1 Use the same combination of insert and holder edge width CW. Please use in combination with the GNDXL holder. Cannot be used with the GNDIS holder. 2.0 5

F33

F 14 & F15

Recommended Cutting Conditions

 : Worldwide Warehouse Item ●: USA Stocked Item

N m Recommended Tightening Torque (N·m)

Made with FlippingBook flipbook maker