Sumitomo General Catalog 2025-2026

Grooving Tools GNDM-J / GNDL-J GND with Internal Coolant for Small Lathes

External Multi-Purpose GND for Small Lathes (Grooving, Turning, Profiling)

Internal Coolant

Zero Offset

External

External Grooving (for Small Lathes) GNDM-J

Fig 1

Fig 2

Rc1/8

Rc1/8

CDX

CDX

61.8

73.5

LF

LF

LH

LH

Rc1/8

Rc1/8

*

External Grooving (for Small Lathes) GNDM-J * For traverse cutting (groove expansion), use a multifunctional insert for proling.

F

Figure shows right hand (R) tool.

Fig 1

Fig 2

Rc1/8

Rc1/8

CDX

CDX

61.8

73.5

Parts

Dimensions (inch / mm )

LF

LF

LH

LH

Bottom Hex Wrench

Cutting Edge Distance

Cutting Edge Height

Max. Groove Depth Max. Cut-off Dia.

Overall Length

Seat Size

Flat Screw / Cap Screw

Top Hex Wrench

Rc1/8

Rc1/8

Stock Height Width

Plug

Head Offset

*

Applicable Insert

LT15-10

BFTX0414

Fig

Cat. No.

Figure shows right hand (R) tool.

R L H B LF WF HF LH WF2CW CDX

N m

* For traverse cutting (groove expansion), use a multifunctional insert for proling.

CP-M5-20-1

LH040

GNDM R/L 102JX-047J ● ● .625 .625 4.750 .625 .625 1.181 0 GNDM R/L 103JX-047J ● ● .625 .625 4.750 .625 .625 1.181 0 GNDM R/L 1616JX-212J  16 16 120 16 16 30.0 0 GNDM R/L 1616JX-312J  16 16 120 16 16 30.0 0 GNDM R/L 2012JX-217J  20 12 120 12 20 26.5 0 GNDM R/L 2012JX-317J  20 12 120 12 20 26.5 0

2 .472 — GC □□ 20 ○○ - □□ 3 .472 — GC □□ 3 ○○○ - □□ 2 12.0 24 GC □□ 20 ○○ - □□ 3 12.0 24 GC □□ 3 ○○○ - □□ 2 17.0 34 GC □□ 20 ○○ - □□

XP03

1 CP-M5-20-1 5.0

LH040 LH025

XP02

2 BFTX0414 3.0XP02 LT15-10 —

3 17.0 34 GC □□ 3 ○○○ - □□ Select holders and inserts with matching width of cut (CW). Refer to F21 & F22 for applicable inserts. The maximum groove depth CDX is the figure during grooving. For maximum depth of cut during traverse cutting and profiling, refer to page F14.

External Grooving (for Small Lathes) GNDL-J

Fig 1

Fig 2

Fig 3

Rc1/8

Rc1/8

Rc1/8

CDX

CDX

CDX

63.8

75.5

63.8

LF

LF

LF

External Grooving / Cut-Off GND for Small Lathes

LH

LH

LH

Rc1/8

Rc1/8

Rc1/8

Internal Coolant

Zero Offset

External

LH2

External Grooving (for Small Lathes) GNDL-J

Fig 1

Fig 2

Fig 3

Rc1/8

Rc1/8

Rc1/8

Figure shows right hand (R) tool.

CDX

CDX

CDX

63.8

63.8

75.5

LF

LF

LF

LH

LH

LH

Rc1/8

Rc1/8

Rc1/8

LH2

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

Head

Height Width

Seat Size

Applicable Insert

Cat. No.

Fig

R L

N m

H B LF WF HFLH CDX

GNDL R/L 082JX-050J GNDL R/L 083JX-050J GNDL R/L 102JX-063J GNDL R/L 103JX-063J

● ● .500 .500 4.750 .500 .500 .866 2 .500 GC □□ 20 ○○ - □□ 1 ● ● .500 .500 4.750 .500 .500 .866 3 .500 GC □□ 3 ○○○ - □□ 1 ● ● .625 .625 4.750 .625 .625 1.260 2 .625 GC □□ 20 ○○ - □□ 1 ● ● .625 .625 4.750 .625 .625 1.260 3 .625 GC □□ 3 ○○○ - □□ 1

2.0 3.0 2.0 3.0

BFTX0415T8R

— XP03 LT08-06

CP-M5-20-1

LH025 XP03 LH040

GNDL R/L 1212JX-212.5J  12 12 120 12 12 22.0 2 12.5 GC □□ 20 ○○ - □□ 2 GNDL R/L 1212JX-312.5J  12 12 120 12 12 22.0 3 12.5 GC □□ 3 ○○○ - □□ 2 GNDL R/L 1616JX-216J  16 16 120 16 16 32.0 2 16.0 GC □□ 20 ○○ - □□ 2 GNDL R/L 1616JX-316J  16 16 120 16 16 32.0 3 16.0 GC □□ 3 ○○○ - □□ 2 GNDL R/L 2012JX-221J  20 12 120 12 12 30.5 2 21.0 GC □□ 20 ○○ - □□ 3

BFTX0415T8R 1.5 LT08-06 XP02 —

CP-M5-20-1 5.0 LH040 XP02 LH025

BFTX0414 3.0 LT15-10 XP02 —

GNDL R/L 2012JX-321J  20 12 120 12 12 30.5 3 21.0 GC □□ 3 ○○○ - □□ 3 Select holders and inserts with matching width of cut (CW). Refer to F21 & F22 for applicable inserts. The maximum groove depth CDX is the figure during grooving. For maximum depth of cut during traverse cutting and profiling, refer to page F14. See page F29 for GND-J parts and connecting method

F24

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