Tungsten Carbide Spherical Button for Air Pressure Bits

Tungsten carbide sphericall button for both low and high air pressure drill bits, they are widely applicated in DTH bits works in hard to very hard formations drilling. our carbide buttons are all TPA pressed and HIP sintered, we have full of spherical button sizes.
Product description

Tungsten Carbide Spherical Button for Air Pressure Bits
Overview:

Tungsten carbide sphericall button for both low and high air pressure drill bits, they are widely applicated in DTH bits works in hard to very hard formations drilling. our carbide buttons are all TPA pressed and HIP sintered, we have full of spherical button sizes.


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:

No.7 Tungsten Carbide Spherical Button For High Air Pressure Bits_副本.jpg


Type

Dimension (mm)

0

H

R

h

0

e

JE099518

9.7

14.2

5.1

10.7

16.30 '

1.5

JE01214A

12.0

14.0

6.7

10.1

18

1.5

JE099515

14.0

22.0

7.4

17.0

15

1.5

JE01622

16.0

22.0

8.0

14.0

18

1.8

JE099516

19.0

28.0

10.3

21.5

15

2.5


Tolerance:

Nominal size

Tolerance (mm)

0

H

SR

a

≤10.0

±0.15

±0.15

±0.30

+1.5

>10.0

±0.20

±0.20

±0.50

±2.0

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


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