Sumitomo General Catalog 2025-2026

SUMIBORON CBN Insert

Indexable Insert

Grooving / Threading Tool Insert 

Dimensions (inch)

BN2000 BN250 BN350 Groove Width CW R L R L R L

Nose Radius RE

Groove Depth CDX

Overall Length L

Cutting Edge Distance WF3

Applicable Holder

Shape (Right Hand)

Sumitomo Cat. No.

ISO Cat. No.

Fig

BNGNT0200R/L BNGNT0200R/L BNGNT0250R/L BNGNT0250R/L BNGNT0300R/L BNGNT0300R/L BNGNT0400R/L BNGNT0400R/L BNGNT0500R/L BNGNT0500R/L BNGNT0600R/L BNGNT0600R/L

.0787 .1575 .0079 .9843 .2362 .0984 .1575 .0079 .9843 .2362 .1181 .1969 .0157 .9843 .2362 .1575 .2362 .0157 1.0236 .2362 .1969 .2362 .0157 1.0236 .2362 .2362 .2756 .0157 1.0630 .2362

1 1 1 1 1 1

D D D D

Back Taper 30'

Fig 1

SUMIBORON Grooving Tool (BNGG)

D D  D D D

CDX

RE

Back Taper 30'

17

RE

 

L

Ž L123

6 °

L

Insert for Grooving Tool Holders 

Dimensions (inch)

BN2000 BNC30G BN250 BN7000 BN7500 Inscribed Circle IC RLRLRLRLRL

Nose Radius RE

Width of Cut CW

Groove Depth CDX

Hole Dia.

Applicable Holder

Shape

Sumitomo Cat. No.

ISO Cat. No.

Fig

TGAR4125 TGAR4150 TGAR4200 TGAR4250 TGAR4300 TGAR4350 TGAR4400

TGAR4125 TGAR4150 TGAR4200 TGAR4250 TGAR4300 TGAR4350 TGAR4400

.5000 .0492 .0079 .0787 .2165 .5000 .0591 .0079 .1378 .2165 .5000 .0787 .0079 .1378 .2165 .5000 .0984 .0079 .1575 .2165 .5000 .1181 .0079 .1575 .2165 .5000 .1378 .0079 .1969 .2165 .5000 .1575 .0079 .1969 .2165 .6250 .062 .0079 .1378 .2165 .6250 .094 .0079 .1575 .2165

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

      

Fig 1

Grooving Tool (GWC, GWCS, GWCI) Ž F33 to F36

CW ± 0.025

RE

RE

CDX

5.5

IC

4.76

CGAR/L4062 - CGAR/L4094 - CGAR/L4125 -

D D D D F F D D D D F

D D D F .6250 .125 .0079 .1969 .2165 CGAR/L1504150 CGAR/L1504150  D D D F F D D D D .6250 .0591 .0079 .1378 .2165 CGAR/L1504200 CGAR/L1504200 DDDDFFDDDD .6250 .0787 .0079 .1378 .2165

Fig 1

CDX

CGAR/L1504250 CGAR/L1504250 D D D D F F

SUMIBORON Grooving Tool (GWB)

.6250 .0984 .0079 .1575 .2165

2-R0.2

CGAR/L1504300 CGAR/L1504300 DDDDFFDDDD .6250 .1181 .0079 .1575 .2165

CGAR/L1504350 CGAR/L1504350

.6250 .1378 .0079 .1969 .2165

 D F F

IC

CGAR/L1504400 CGAR/L1504400 D D D  CGAR/L1504450 CGAR/L1504450

Ž L122

F D D D D .6250 .1575 .0079 .1969 .2165

.6250 .1772 .0079 .1969 .2165 .6250 .189 .0079 .1969 .2165 .6250 .1969 .0079 .1969 .2165 .6250 .2165 .0079 .1969 .2165 .6250 .2362 .0079 .1969 .2165

D  F F

CGAR/L6189 -

D D D F

CGAR/L1506500 CGAR/L1506500 D D  D F F

CGAR/L1506550 CGAR/L1506550

F F

CGAR/L1506600 CGAR/L1506600 D D D D F

L107

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