Tungsten Carbide Flat Top Button for Very Hard Formation Drilling

Tungsten carbide flat top buttons are recommended for very hard formations drilling, with its high strength and impact resistance, they hit and crush hard formations efficiently. applied for all kinds of hard rock drilling bits.
Product description

Tungsten Carbide Flat Top Button for very Hard Formation Drilling
Overview:

Tungsten carbide flat top buttons are recommended for very hard formations drilling, with its high strength and impact resistance, they hit and crush hard formations efficiently. applied for all kinds of hard rock drilling bits.

 

Grade Properties:

GRADE

Representative Performance Index

Recommended Applications

Hardness

Density
 (g/cm)

Traverse Strength

JK10.2

90.2

14.91

2900

Used as small or medium buttons of tricone bit and impact drilling tools to cut soft and medium hard formations. Also can use as buttons of down hole and deep hole drill bits.

JK10.21

90.5

14.95

2700

For the buttons of core bits. electrical coal drill. coal cutter bit. tricone bit and drag bits.

JK12.2

90.0

14.88

3000

For the buttons of core bits. electrical coal drill. coal cutter bit. tricone bit and drag bits.

JY20.2

89.0

14.75

3000

Used as insert of palm surface of tricone bits.

JY30.2

88.3

14.53

3000

Used as insert of palm surface of tricone bits.


Dimension:

11.jpg


Type

Dimension (mm)

Φ

H

h1

a

h2

β

JB Φ5.0×3.0

5.0

3.0

0.3

45

0.3

45

JB Φ8.0×6.0

8.0

6.0

0.5

45



JB Φ10.0×6.0

10.0

6.0



1.0

30

JB Φ12.0×12.0

12.0

12.0



1.0

30

JB Φ16.0×10.0

16.0

10.0

1

45




Tolerance:

Nominal size

Tolerance (mm)

Φ

H
 a

≤10.0

±0.10
 ±0.15

±0.10
+ 1.5

>10.0

±0.15
 ±0.20

±0.15
 ±2.0

Note: the other types and specifications for tungsten carbide flat top buttons are in the process of updating along with the technology improvement, contact us for newly information.


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