Sumitomo General Catalog 2025-2026

Grooving Tools GNDIS

GND for Internal (ID) Grooving

Internal Grooving GNDIS

Fig 1

Min. Bore Diameter (DMIN)

DCON

Internal

CW

H

LHD

LF

Figure shows right hand (R) tool.

F

Holder

Parts  Dimensions ( mm )

Cutting Edge Distance

Min. Bore Diameter

Max. Groove Depth

Flat Screw Wrench

Stock

Overall Length

Seat Size

Diameter Height

Head

Applicable Insert

Cat. No.

Fig

R L

N m

DCON H LF LHD WF DMIN CW CDX 12 11 150 30 9.0 14 1.5 2.6 12 11 150 30 10.0 14 1.5 3.6 16 15 160 35 11.5 16 1.5 3.6 16 15 160 40 14.5 20 1.5 4.6 20 19 180 40 19.0 25 1.5 6.6 12 11 150 30 9.0 14 2.0 2.6 12 11 150 30 10.0 14 2.0 3.6 16 15 160 35 11.5 16 2.0 3.6 16 15 160 40 14.5 20 2.0 4.6 20 19 180 40 19.0 25 2.0 6.6 12 11 150 30 9.0 14 3.0 2.6 12 11 150 30 10.0 14 3.0 3.6 16 15 160 35 11.5 16 3.0 3.6 16 15 160 40 14.5 20 3.0 4.6 20 19 180 40 19.0 25 3.0 6.6

GNDIS R/L 1214-T1526   GNDIS R/L 1214-T1536   GNDIS R/L 1616-T1536   GNDIS R/L 1620-T1546   GNDIS R/L 2025-T1566   GNDIS R/L 1214-T2026   GNDIS R/L 1214-T2036   GNDIS R/L 1616-T2036   GNDIS R/L 1620-T2046   GNDIS R/L 2025-T2066   GNDIS R/L 1214-T3026   GNDIS R/L 1214-T3036   GNDIS R/L 1616-T3036   GNDIS R/L 1620-T3046   GNDIS R/L 2025-T3066  

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

BFTX0409N 3.4 LT15

GXMN150005S-GF

BFTX0511N 5.0 LT20

BFTX0409N 3.4 LT15

GXMN2002S- □□

BFTX0511N 5.0 LT20

BFTX0409N 3.4 LT15

GXMN3002S- □□

BFTX0511N 5.0 LT20

Combine the insert with a holder such that the width of cut (CW) matches. Only GXM inserts can be used.

Identification Code

Series GND IS R 12 14 - T 15 26 Application Symbol: Internal Shank Dia. (mm) Feed Direction

Min. Bore Diameter (mm)

For Internal Diameter Machining

Seat Size x 10 (mm)

Maximum Groove Depth x 10 (mm)

Diameter Machining

Fig 1

GNDIS Inserts 

(

Coated Carbide)

4-RE

L

Grooving / Traverse Cutting

Grooving / Cut-Off Machining



Dimensions (mm)

Dimensions (mm)

Seat Size CW

Overall Length

Seat Size CW

Overall Length

Nose Radius

Nose Radius

Thickness

Thickness

Appearance

Cat. No.

Fig

Appearance

Cat. No.

Fig

Seat Size Tolerance RE L S

Seat Size Tolerance RE L S

ML

GXMN150005S-GF -  1.5 GXMN2002S-GF  2.0 GXMN3002S-GF  3.0

GXMN2002S-ML  2.0 GXMN3002S-ML  3.0

GF

±0.03 0.05 11.1 3.1 ±0.03 0.2 11.1 3.1 ±0.03 0.2 11.1 3.1

1 1 1

±0.03 0.2 11.1 3.1 ±0.03 0.2 11.1 3.1

1 1

5

5

Low Resistance

Low Feed

Combine the insert with a holder such that the width of cut (CW) matches. GCM/GCG inserts are not mutually compatible.

■ Recommended Cutting Conditions - GNDIS Part Material P Carbon Steel / Alloy Steel

M Stainless Steel

K Cast Iron

S Exotic Alloy

Insert Grade

AC520U AC1030U AC520U AC1030U AC520U AC1030U AC520U AC1030U

Cutting Speed v c (SFM)

250-650

150-650 230-500 150-500 200-650 150-650

65-250

65-200

■ Grooving / Cut-Off / Necking

■ Traverse Cutting

ML

Feed Rate f (IPR)

Chipbreaker

Chipbreaker

ML

GF

Feed Rate f (IPR)

Depth of Cut a p (Inch)

2.0 3.0

1.5 2.0 3.0

Seat Size CW ( mm )

0.001 to 0.005 0.002 to 0.006

0.008 to 0.030 0.012 to 0.050

0.001 to 0.004 0.001 to 0.005 0.002 to 0.006

Seat Size CW ( mm )

0.001 to 0.005 0.002 to 0.006

 : Worldwide Warehouse Item ●: USA Stocked Item

F38

N m Recommended Tightening Torque (N·m)

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