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Diamond & CBN Burrs（Material / Abrasive：CBN）

Diamond/carbon burs are rod-type abrasives used for grinding the inner surface of metals and nonferrous metals and removing burs. They are mainly used for the precision grinding of molds and other workpieces and finishing of welds. They are attached to precision grinders (micro grinders) to be used. Bar tips are available in various shapes, including cylinder shape, ball shape, bullet shape, flat shape and tapered shape, and it is important to choose a suitable type according to the application. Products with a hexagonal shaft can be used attached to an impact screwdriver. Carbon is second to diamond in hardness, and like diamond, it is used as a material for abrasive grains. Carbon is frequently used for stainless steel and other metal materials, and due to its excellent heat resistance, carbon is suitable for use under high temperatures.

8 items

: 30; 45; 60

Days to Ship	All Same day 7 Days or Less 8 Days or Less 9 Days or Less 10 Days or Less 11 Days or Less 12 Days or Less 13 Days or Less 14 Days or Less 15 Days or Less

Internally Mounted Grindstone Jig for Grinding Electrodeposition Type

DIACRYSTON

•Model: Single Item
•Shape: Cylindrical
•Classification: Internal Grindstone

Volume Discount
Days to Ship: 8 Days or more
Internal Grindstone with Shaft

MISUMI

Low chatter ensures high performance on hard materials

Volume Discount

Price Reduction
Days to Ship: 8 Days or more
Electro-Deposited Diamond Bar

YANASE

A wide variety of abrasive grain shapes (diamond and CBN) are available.

[Features]
· A wide variety of abrasive grain shapes (diamond and CBN) are available.

Volume Discount
Days to Ship: 8 Days or more
Electroplated Diamond and CBN Rods - For polishing of ultra small internal diameters.

NAKANISHI

[Features]
· Ideal for drilling extremely small diameter holes and conducting inner surface grinding and jig grinding.
· The carefully selected abrasive grains are held firmly by the latest electrodeposition technology.
· Uses a high hardness dedicated shaft, with high rigidity that achieves high precision machining.
· Suitable for hardened steel material (SKH/SKD/SKS/SCM, heat-resistant alloy).
[Applications]
· Grinding of machine parts, electronic parts, precision parts and molds.

Volume Discount
Days to Ship: 8 Days or more
Borazon Internal Bar

Trusco Nakayama

[Features]
· Shank diameters of 3 mm.
· Knoop hardness is about 4,700 (second hardest material following diamonds) so CBN can be used just as diamond for most workpieces; however, it generates large amounts of heat especially during grinding, so it is best suited for metals containing carbon.
[Applications]
· Applicable workpiece materials: Carbon steel, tool steel alloy, high-speed tool steel, bearing steel, case hardened steel, hardened steel, stainless steel.

Volume Discount
Days to Ship: 8 Days or more
High End Black Bar #230

Trusco Nakayama

[Features]
· For rough processing, deburring, and ridge removing.
· Special high-hardness stainless steel shank realizes firm operability and suppleness.
· Capable of precision machining thanks to the shank, which bends less.
· Machining time is significantly shortened as work can be done with high loads.

Volume Discount
Days to Ship: 9 Days or more
CBN Bar

Trusco Nakayama

[Features]
· Ideal for machining ferrous metals.
· As it has micro crushing power (autogenous action), stable processed surfaces can be produced.
· Heat resistance is better than diamond at about 1,400°C.

Volume Discount
Days to Ship: 8 Days or more
Disc Type CBN Bar

Trusco Nakayama

[Features]
· It is an integrally processed high-precision shank.
· Uses rust-resistant stainless steel.
· CBN is ideal for processing ferrous metals.
· Higher rigidity compared to a mandrel type.
[Applications]
· Grooving
· Cutting
· Surface Processing
· Chamfering
· Deburring

Volume Discount
Days to Ship: 8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	9 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more


Brand
Product Series
Days to Ship
Classification
Model
Particle Size(#)
Shape
Material / Abrasive
Diamond Part Maximum Diameter(mm)
Diamond Length / Grindstone Length(mm)
Shaft Diameter(mm)

		Price Reduction
Brand	DIACRYSTON	MISUMI	YANASE	NAKANISHI	Trusco Nakayama	Trusco Nakayama	Trusco Nakayama	Trusco Nakayama
Product Series	Internally Mounted Grindstone Jig for Grinding Electrodeposition Type	Internal Grindstone with Shaft	Electro-Deposited Diamond Bar	Electroplated Diamond and CBN Rods - For polishing of ultra small internal diameters.	Borazon Internal Bar	High End Black Bar #230	CBN Bar	Disc Type CBN Bar
Days to Ship	8 Days or more	8 Days or more	8 Days or more	8 Days or more	8 Days or more	9 Days or more	8 Days or more	8 Days or more
Classification	Internal Grindstone	Internal Grindstone	Electroplated Burr	Electroplated Burr	Internal Grindstone	Internal Grindstone	-	-
Model	Single Item	Single Item	Single Item	Single Item	Single Item	Single Item	Single Item	Diamond Disc Mandrel
Particle Size(#)	150 ～ 400	120 ～ 800	140	120	120 ～ 325	230	100 ～ 140	140
Shape	Cylindrical	Cylindrical	Abacus Type / Taper Type / Sharp Point / Sharp Round Point Type / Cylindrical / Reverse Tapered / Spherical / Elliptic Model / Flat / Bullet-shaped	Cylindrical	Cylindrical	Cylindrical	Taper Type / Cylindrical / Spherical / Flat	Flat
Material / Abrasive	CBN	CBN	CBN	CBN	CBN	CBN	CBN	CBN
Diamond Part Maximum Diameter(mm)	0.3 ～ 20	0.3 ～ 15	1 ～ 20	-	-	-	-	-
Diamond Length / Grindstone Length(mm)	2 ～ 10	2 ～ 10	1 ～ 19	-	-	-	-	-
Shaft Diameter(mm)	3 ～ 10	-	3 ～ 6	3	3	3	3	3

Configure

Specification/Dimensions

Classification
- Electroplated Burr
- Internal Grindstone
Clear

Model
- Single Item
- Set Product
- Diamond Disc Mandrel
Clear

Metric / Inch
- metric
Clear

Particle Size(#)
80

100

120

130

140

140/170

150

200

220

230

240

270

320

325

400

600

800

1000
Clear

Shape
- Abacus Type
- Taper Type
- Taper Round Tip
- Sharp Point
- Sharp Round Point Type
- Cylindrical
- Reverse Tapered
- Spherical
- Elliptic Model
- Flat
- Bullet-shaped
- Tapered Shell
- Taper Flat Point
- Conical round tip
Clear

Material / Abrasive
- CBN
- Diamond
Clear

Diamond Part Maximum Diameter(mm)
0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9

2

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

2.9

3

3.3

3.4

3.5

4

4.5

4.7

4.8

5

5.5

6

6.5

7

7.5

8

8.5

9

9.5

9.7

10

11

12

13

14

15

16

16.5

17

18

19

20

21

25
Clear

Diamond Length / Grindstone Length(mm)
1

1.2

1.5

1.6

2

2.5

3

4

5

5.2

6

7

7.24

8

9

10

11.2

12

13

14

15

16

17

18

19

20

21

22

25

26

32

38

40

45

48
Clear

Shaft Diameter(mm)
1.6

2.34

2.35

3

6

10
Clear

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- MISUMI (1)
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- Trusco Nakayama (4)
- DIACRYSTON (1)
- NAKANISHI (1)
- YANASE (1)
- PFERD (0)
- HONGIA (0)
- MINITOR (0)
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Clear

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Diamond & CBN Burrs（Material / Abrasive：CBN）

Configure

Specification/Dimensions

Classification

Model

Metric / Inch

Particle Size(#)

Shape

Material / Abrasive

Diamond Part Maximum Diameter(mm)

Diamond Length / Grindstone Length(mm)

Shaft Diameter(mm)

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Related Categories to Diamond & CBN Burrs

About This Website

About MISUMI Corporation

Contact us Monday to Friday: 8:00 am to 6:00 pm (Mexico City time)