Tungsten Carbide Scoop Button for Drill Bits Edge Button

Tungsten carbide scoop button are applied for drill bits edge button by scraping and cutting with mud crumbs while hole drilling. they are TPA pressed and HIP sintered, well worked in all kinds of geological drilling and mining works.
Product description

Tungsten Carbide Scoop Button for Drill Bits Edge Button
Overview:

Tungsten carbide scoop button are applied for drill bits edge button by scraping and cutting with mud crumbs while hole drilling. they are TPA pressed and HIP sintered, well worked in all kinds of geological drilling and mining works.


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.11 Tungsten Carbide Scoop Button for Drill Bits Edge Button_副本.jpg


Type

Dimension (mm)

D

H

h

e

SR1

SR2

SR3

SR4

β

JSS19300

19.3

30

17

2

16

3

25

3

30

JSS16321

16.3

21

9.9

3

15

2.5

23

2.5

30

JSS14821

14.8

21.5

11.4

1.3

19.1

2.3

21

1.6

40

JSS12215

12.2

15

8.5

1.5

11

2.5

20

2.5

36


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 scoop buttons are in the process of updating along with the technology improvement, contact us for newly information.


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