Sumitomo General Catalog 2025-2026

CBN - SUMIBORON Small Hole Boring Bars BNZ Type

SUMIBORON Screw-on

91°

BNZ Internal Turning and Facing

Fig 1

DMIN Min. Bore Dia.

DCON

H

LF

GAMF

L

Holder

Parts

Dimensions ( mm )

Flat Screw Wrench Adapter Sleeve

Overall Length

Rake Angle

Min. Bore Dia.

Diameter

Height

Cat. No.

Fig

N m

DMIN

DCON H LF

GAMF

(For Torx Holes)

BNZ606R BNZ608R BNZ610R BNZ612R BNZ616R BNZ620R

7.0 9.0

HBB616 HBB816

-14° -12° -10°

1 1 1 1 1 1

6.0 8.0

5.5

80

     

7.5 100 9.5 125 11.0 130 15.0 145 19.0 160

11.0 13.0 17.0 21.0

10.0 12.0 16.0 20.0

BFTX0204N 0.5 TRX06

-8° -6° -5°

-

Insert (

SUMIBORON)

Dimensions ( mm )

Fig 1 ø16

DCB

Nose Radius

Quantity

Cat. No.

15

100

RE

Fig 1

80°

NU-ZNEX040102 NU-ZNEX040104

- - ● ● ● - - ● ● ●

0.2 0.4 0.2 0.4 0.2 0.4 0.2 0.4

Sleeve

Dimensions ( mm )

ø4.76

Bore Dia.

NC-ZNEX040102LE ● - - - - NC-ZNEX040104LE ● - - - -

Single pack

Cat. No.

Applicable Holders Fig

DCB

HBB616  HBB816 

6.0 8.0

BNZ606R 1

NC-ZNEX040102LT NC-ZNEX040104LT T-NU-ZNEX040102 T-NU-ZNEX040104

- ● - - - - ● - - -

BNZ608R 1 HBX Type sleeve (HBX6016) can also be used with BNZ606R.

1.59

● ●

- - - -

10 pack

L117

• USA Stocked Item  Worldwide Warehouse Item ▲ USA Limited Availability Item

N m Recommended Tightening Torque (N·m)

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