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Tapered Button Drill Bits

Tapered Button Drill Bits has the advantages as following: 1) With carbide buttons hot pressed on bits bodies, Tapered Button Bits have a very good drilling performance and long life time. Different d

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  • Product Introduction
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Introduction of Tapered Button Drill Bits

Tapered Button Drill Bits has the advantages as following:

1) With carbide buttons hot pressed on bits bodies, Tapered Button Bits have a very good drilling performance and long life time. Different diameters and taper degrees are available to suit different applications in mining, quarrying etc. We can supply long skirt and short skirt Tapered Button Bits.

2) No matter what kinds of rock—Soft rock, loose medium rock, hard rock and any other special formations, just tell us what you need and leave others at our disposal, We can also do according to customers' drawing or sample. So if you are interested in our products, please feel free to let us know. We also wish can do business with the people from all over the world.

Bit face Design of Tapered Button Drill Bits

1. Flat face, drop centre, tungsten carbide hemispherical and ballistic.

2. Normal and retrac body.Couplings sleeve- manufactured with a middle stop to prevent walking  . Include couplings sleeve.

3. Shank adaptors - carburized and manufactured with tight tolerances and controlled straightness.

Parameter of Tapered Button Drill Bits

  Type

Dia

mm

No.of buttons

Buttons*button dia

Flushing hole

Weight kg

Guage

Centre

Side

Centre

 

R25

38

7

5*9

2*7

1

1

0.6

41

7

5*9

2*8

1

1

0.5

45

7

5*11

2*8

2

1

0.7

R28

38

7

5*9

2*7

1

1

0.6

38

6

4*9

2*8

2

1

0.6

43

7

5*9

2*9

2

1

0.7

R32

45

7

5*11

2*8

2

1

0.8

48

7

5*11

2*9

2

1

1.0

51

7

5*11

2*10

2

1

1.0

57

9

6*11

3*9

-

3

1.1

64

12

8*10

4*10

-

2

1.5

76

12

8*11

4*11

-

2

1.8

T38

64

12

8*10

4*10

-

2

1.6

70

10

6*11

3*11

-

3

1.9

76

13

8*12.7

5*11

1

2

2.3

89

13

8*12.7

4*11

-

4

3.0

102

14

8*14.5

6*12.7

1

4

3.9

T45

70

10

6*11

3*11

-

3

2.0

76

14

8*12.7

4*11

2

2

2.5

89

13

8*12.7

4*11

-

4

3.0

102

13

8*14.5

4*12.7

-

4

6.4

115

14

8*14.5

6*14.5

1

4

5.8

T51

89

12

8*12.7

4*12.7

-

2

3.5

89

13

8*12.7

4*11

-

4

3.5

102

13

8*14.5

4*12.7

-

4

5.3

115

16

9*14.5

6*14.5

-

3

9.7

127

20

10*14.5

10*12.7

-

2

6.8

Pictures of Tapered Button Drill Bits

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