TRUSCO NAKAYAMA DIA/CBN Bars（Classification：Internal Grindstone）

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Diamond internal bar

TRUSCO NAKAYAMA

[Features]
Shank diameter 3 mm.
- Has a Knoop hardness of about 7,000 (the hardest material on this Earth) and can be used for almost all work materials such as metals, marble, glass, etc. Suitable for the hardest work materials, especially ceramics etc. However, since diamond is weak as against the heat, generation of heat is not suitable for multiple machining (HSS etc) during polishing.
[Applications]
Applicable cutting materials: cemented carbides, glasses, ceramics, rubbers, plastics, stones, concrete, ferrite, and other non-ferrous metals.

Volume Discount

Starting from^∗ ：	9.55 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Internal Bar 5-Piece Set (Borazone)

Internal Bar 5-Piece Set (Borazone)【5 Pieces Per Package】

TRUSCO NAKAYAMA

[Features]
- Borazone (CBN) is an abrasive particle having a hardness next only to diamond, and is suitable for iron based materials (stainless steel, SC, SK, SCM, etc.,) for which it is difficult to use diamond.
- Since even the heat resistant temperature is higher than diamond, it is suitable even when sufficient cooling is not possible.
[Applications]
- Applicable cutting materials: Carbide steel, alloy tool steel, high speed tool steel, bearing steel, case hardening steel, quenching steel, and stainless steel.

Volume Discount

Starting from^∗ ：	61.34 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration


Brand
Product Series
Starting from^∗
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Classification
Type
Particle Size(#)
Shape
Material/abrasive
Diamond Maximum Diameter(mm)
Diamond Length/Grindstone Length(mm)
Shaft Diameter(mm)


Brand	TRUSCO NAKAYAMA	TRUSCO NAKAYAMA
Product Series	Diamond internal bar	Internal Bar 5-Piece Set (Borazone)【5 Pieces Per Package】
Starting from^∗	9.55 € *Unit price with basic configuration Volume Discount	61.34 € *Unit price with basic configuration Volume Discount
Min. Shipping Days ：	6 Days	6 Days
Classification	Internal Grindstone	Internal Grindstone
Type	Diamond Disk, Mandrel	Set Product
Particle Size(#)	120 ～ 325	-
Shape	Cylinder Type	Cylinder Type
Material/abrasive	Diamond	Diamond
Diamond Maximum Diameter(mm)	-	-
Diamond Length/Grindstone Length(mm)	-	-
Shaft Diameter(mm)	3	-

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Classification
- Electrodeposition bar
- Internal Grindstone
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Type
- Single Item
- Set Product
- Diamond Disk, Mandrel
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Particle Size(#)
80

100

120

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140

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Shape
- Abacus Type
- Taper type
- Tapered, round tip
- Tongari Type
- Tongari Rounded End Type
- Cylinder Type
- Reverse Taper Type
- Spherical
- Oval
- Flat
- Shell type
- Shell taper
- Tapered, flat tip
- Conical obtuse-angled tip
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Material/abrasive
- CBN
- Diamond
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Diamond Maximum Diameter(mm)
0.2

0.3

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0.5

⌀0.5

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0.9

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1.1

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1.9

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2.8

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4.5

4.8

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6.5

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8.5

9

9.5

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16.5

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45

-
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Diamond Length/Grindstone Length(mm)
0.18

0.3

0.33

0.4

0.5

0.7

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1

1.2

1.5

1.6

2

2.5

3

3.5

4

5

5.2

6

7

7.24

8

9

10

11.2

12

13

14

15

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18

19

20

21

22

25

26

32

38

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45

48
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Shaft Diameter(mm)
1.6

2.34

⌀2.34

3

4

6

10
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