Sumitomo General Catalog 2025-2026

Grooving Tools GNDL-J / GNDLS

Internal Coolant External Deep Grooving and Cut-Off GND with Internal Coolant

External

GNDL-J External Grooving

Fig 2

Fig 1

CDX

CDX

LF

LF

LH

LH

Rc1/8

1/8 NPT

Rc1/8

1/8 NPT

F

Figure shows right hand (R) tool.

Figure shows right hand (R) tool.

Holder

Parts

Dimensions (inch/ mm )

Insert Wrench

Cutting Edge Distance

Cutting Edge Height

Max. Groove Depth

Stock

Cap Screw

Plug Wrench

Overall Length

Height Width

Head Seat Size

Applicable Insert

Cat. No.

Fig

R L

N m

H B LF WF HFLH CDX

GNDL R/L 122K-075J GNDL R/L 123K-075J GNDL R/L 124K-100J GNDL R/L 125K-100J GNDL R/L 126K-100J GNDL R/L 162K-075J GNDL R/L 163K-075J GNDL R/L 164K-100J GNDL R/L 165K-100J GNDL R/L 166K-100J

● ● .750 .750 5.000 .750 .750 1.752 2 .750 GC □□ 20 ○○ - □□ 1 ● ● .750 .750 5.000 .750 .750 1.752 3 .750 GC □□ 3 ○○○ - □□ 1 ● ● .750 .750 5.000 .750 .750 1.969 4 1.000 GC □□ 40 ○○ - □□ 1 ● ● .750 .750 5.000 .750 .750 1.969 5 1.000 GC □ N5 ○○○ - □□ 1 ● ● .750 .750 5.000 .750 .750 1.969 6 1.000 GC □ N6 ○○○ - □□ 1 ● ● 1.000 1.000 5.000 1.000 1.000 1.752 2 .750 GC □□ 20 ○○ - □□ 1 ● ● 1.000 1.000 5.000 1.000 1.000 1.752 3 .750 GC □□ 3 ○○○ - □□ 1 ● ● 1.000 1.000 5.000 1.000 1.000 1.969 4 1.000 GC □□ 40 ○○ - □□ 1 ● ● 1.000 1.000 5.000 1.000 1.000 1.969 5 1.000 GC □ N5 ○○○ - □□ 1 ● ● 1.000 1.000 5.000 1.000 1.000 1.969 6 1.000 GC □ N6 ○○○ - □□ 1

BX0520 5.0 — XP03 LH040

BX0520 5.0 — XP03 LH040

F

GNDL R/L 2020K-220J  GNDL R/L 2020K-320J  GNDL R/L 2020K-425J  GNDL R/L 2020K-525J  GNDL R/L 2020K-625J  GNDL R/L 2525K-220J  GNDL R/L 2525K-320J  GNDL R/L 2525K-425J  GNDL R/L 2525K-525J  GNDL R/L 2525K-625J 

20 20 125 20 20 44.5 2 20(18) GC □□ 20 ○○ - □□ 2 20 20 125 20 20 44.5 3 20(18) GC □□ 3 ○○○ - □□ 2

4 25(23) GC □□ 40 ○○ - □□ 2 5 25(23) GC □ N5 ○○○ - □□ 2 6 25(23) GC □ N6 ○○○ - □□ 2

20 20 125 20 20 50 20 20 125 20 20 50 20 20 125 20 20 50

BX0520 5.0 — XP02 LH040

25 25 125 25 25 44.5 2 20(18) GC □□ 20 ○○ - □□ 2 25 25 125 25 25 44.5 3 20(18) GC □□ 3 ○○○ - □□ 2

4 25(23) GC □□ 40 ○○ - □□ 2 5 25(23) GC □ N5 ○○○ - □□ 2

25 25 125 25 25 50 25 25 125 25 25 50 25 25 125 25 25 50

BX0520 5.0 — XP02 LH040

6 25(23) GC □ N6 ○○○ - □□ 2 Combine the insert with a holder such that the Seat Size matches. Refer to page F21-F22 for applicable inserts. Dimensions in parentheses under maximum groove depth are for profiling inserts (RG type/RN type chipbreakers). See page F29 for GND-J parts and connecting method

External L-Styled (Side Cut) Grooving GND

External

Fig 1

External Grooving GNDLS

CW

HF

LF

LH

Figure shows right hand (R) tool.

Holder

Parts

Dimensions (inch/ mm )

Cutting Edge Distance

Cutting Edge Height

Max. Groove Depth

Stock Height Width Overall Length

Cap Screw Wrench

Head

Applicable Insert

Seat Size

Cat. No.

Fig

R L

H B LF WF HFLH

CDX

N m

GNDLS R/L 122K-060 GNDLS R/L 123K-060 GNDLS R/L 124K-070

● ● .750 .750 5.000 1.459 .750 – 2 .600 GC □□ 20 ○○ - □□ 1 ● ● .750 .750 5.000 1.459 .750 – 3 .600 GC □□ 3 ○○○ - □□ 1

BX0520 5.0 LH040

● ● .750 .750 5.000 1.787 .750 – 4 .700 GC □□ 40 ○○ - □□ 1 GNDLS R/L 162M-070 ● ● 1.000 1.000 6.000 1.787 1.000 – 2 .700 GC □□ 20 ○○ - □□ 1 GNDLS R/L 163M-070 ● ● 1.000 1.000 6.000 1.787 1.000 – 3 .700 GC □□ 3 ○○○ - □□ 1 GNDLS R/L 164M-090 ● ● 1.000 1.000 6.000 1.984 1.000 – 4 .900 GC □□ 40 ○○ - □□ 1 GNDLS R/L 165M-090 ● ● 1.000 1.000 6.000 1.984 1.000 – 5 .900 GC □ N5 ○○○ - □□ 1 GNDLS R/L 166M-090 ● ● 1.000 1.000 6.000 1.984 1.000 – 6 .900 GC □ N6 ○○○ - □□ 1 GNDLS R/L 2020K-216  20 20 125 38 20 25 2 16 GC □□ 20 ○○ - □□ 1

BX0520 5.0 LH040

BX0520 5.0 LH040

GNDLS R/L 2020K-316 GNDLS R/L 2525M-218   GNDLS R/L 2525M-318  GNDLS R/L 2525M-423  GNDLS R/L 2525M-523  GNDLS R/L 2525M-623 

16 GC □□ 30 ○○ - □□ 1 18 GC □□ 20 ○○ - □□ 1 18 GC □□ 3 ○○○ - □□ 1 23 GC □□ 40 ○○ - □□ 1 23 GC □ N5 ○○○ - □□ 1

20 20 125 38 25 25 150 45 25 25 150 45 25 25 150 50 25 25 150 50 25 25 150 50

20 25 25 25 25 25 25 25 25 25 25 25

3 2 3 4 5 6

BX0520 5.0 LH040

23 GC □ N6 ○○○ - □□ 1 Combine the insert with a holder such that the Seat Size matches. Refer to page F21-F22 for applicable inserts

F28

 : Worldwide Warehouse Item ●: USA Stocked Item

F 14 & F15

Recommended Cutting Conditions

N m Recommended Tightening Torque (N·m)

Made with FlippingBook flipbook maker