Sumitomo General Catalog 2025-2026

SUMIBORON CBN Insert

Indexable Insert

Turning Insert

Coated

Dimensions (inch)

Nose Radius RE

Inscribed Circle IC

Hole Dia.

Applicable Holder

Thickness S

Shape

Sumitomo Cat. No.

ISO Cat. No.

Fig

NUZNEX620.5 NU-ZNEX040102

.1875 .0625 .0079 .0906 .1875 .0625 .0157 .0906

1 1

D F  D D F D D

NUZNEX621

NU-ZNEX040104

SUMIBORON Small Dia. Boring Bar (BNZ)

80 °

Fig 1

RE

7 °

IC

Ž L117

S

L

*Use NS (NS-ZNEX) for BNX25. *T-NU-ZNEX is a 10-piece pack. Round Insert 

Dimensions (inch)

Inscribed Circle IC

CBN Layer Thickness S3

Applicable Holder

Thickness S

Shape

Sumitomo Cat. No.

ISO Cat. No.

Fig

RNG32B RNG43B RNG32 RNG42 RNG43 RBG08-B RBG10-B RBG12-B RBG16-B RBG20-B RBG26-B

RNGN090300-B RNGN120400-B RNGN090300 RNGN120300 RNGN120400

.3750 .1250 .0315 .5000 .1875 .0315

1 1 2 2 2 1 1 1 1 1 1

D D

Special Holder

F D

Fig 2

Fig 1

D F .3750 .1250 .1250 D F .5000 .1250 .1250 D F .5000 .1875 .1875

Solid SUMIBORON Holders (CRDN, CRSN)

S3

S

S = S3

Ž L108

RBG08-B RBG10-B RBG12-B RBG16-B RBG20-B RBG26-B

.3150 .2559 .0315 .3937 .3543 .0315 .4724 .4331 .0315 .6299 .5118 .0315 .7874 .5906 .0315 1.0236 .5906 .0315

     

Fig 1

SUMIBORON for Machining Rolls SEC-R (BNRN)

S3

5 °

Ž L121

S

Milling Insert 

Dimensions (inch)

Inscribed Circle IC

Thickness S

Applicable Holder

Shape

Sumitomo Cat. No.

ISO Cat. No.

Fig

SNEW1203ADTR SNEW1203ADTR SNEW1203ADTRS SNEW1203ADTR-S

.5000 .5000

.1250 .1250

1 2

D D D D

BN Finish Mill EASY (FMU)

Fig 2

Fig 1

45 °

45 °

15 °

S

Ž L125

L106

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