Tungsten Carbide Flat Top Button for Drill Bits Gauge Protection

Tungsten carbide flat top button are used for drill bits gauge protection by surrounding the drill bits head, they are very well worked in DTH drill bits and also applied in other kinds of drill bits for mining.
Product description

Tungsten Carbide Flat Top Button for Drill Bits Gauge Protection
Overview:

Tungsten carbide flat top button are used for drill bits gauge protection by surrounding the drill bits head, they are very well worked in DTH drill bits and also applied in other kinds of drill bits for mining.


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:

Tungsten Carbide Flat Top Button for Drill Bits Gauge Protection.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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