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Home / Products / Top Hammer Drilling Tools / R28 System Top Hammer Drilling Bits / R28 Top Hammer Tunneling Mining Thread Button Bit/Rod/Coupling

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Kaiqiu Drilling Tools Co., Ltd.

Contact Us

2398#,JuYing Road,TaiZhou City, ZheJiang Province,China
+86-13906570816
+86-576-82878867
[email protected]
[email protected]
[email protected]

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R28 Top Hammer Tunneling Mining Thread Button Bit/Rod/Coupling

R28 Top Hammer Tunneling Mining Thread Button Bit/Rod/Coupling

Kaiqiu's complete range of Top Hammer drilling tools is designed to transmit intensive impact power into the rock, while at the same time reducing loss of energy. This results in increased production, reduced maintenance, and more sustainable operations. Simply reliable Top Hammer tools that you want to put on the front line of your operations.                         
Application:surface or underground, tunneling or quarrying, roads or construction
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Bits

Diameter

Buttons.mm

 Angle

Flushing hole

 Part No.

mm

in

Front No Size

Gauge NO Size

Front

 Gauge

   Button bit

38 1 1/2" 2x 7 5x9 30° 1 2 38R28-27/59-T7-01
38 1 1/2" 2x 7 5x9 35° 1 2 38R28-27/59-T7-02
41 1 5/8" 2x 8 5x9 35° 1 2 41R28-28/59-T7-01
43 1 11/16" 2x 8 5x10 35° 1 2 43R28-28/510-T7-01
45 1 3/4" 2x 9 5x10 35° 1 2 45R28-29/510-T7-01
 

   Button bit
43 1 11/16" 3x 8 6x9 30° 3 1 43R28-38/69-T9-01
45 1 3/4" 3x 8 6x10 35° 3 1 45R28-38/610-T9-01
48 1 7/8" 3x 9 6x10 35° 3 1 45R28-39/610-T9-01

 

Drill Rod

Length

 Diameter Weight approx kg Part No.

mm

 Foot

mm

inch

   Drifter rod，R32-Hex28-R28
   Flushing hole 8.8mm

 

2400

2750

3700

4000

4310

4920

7'10"

9'

12'11/2"

13'13/8"

14'/11/2"

16'/11/2"

28

28

28

28

28

28

1 1/8

1 1/8

1 1/8

1 1/8

1 1/8

1 1/8

12.2

14.4

18.9

20.4

22.0

25.3

22H28-R28/R32-2400-23

22H28-R28/R32-2750-23

22H28-R28/R32-3700-23

22H28-R28/R32-4000-23

22H28-R28/R32-4310-23

22H28-R28/R32-4920-23

   Drifter rod，R38-Hex32-R28
   Flushing hole 9.6mm

 

2900

3090

3700

4310

9'/61/8"

10'/11/2"

12'11/2"

14'11/2"

32

32

32

32

1 1/4

1 1/4

1 1/4

1 1/4

18.8

20.0

24.0

27.9

22H32-R28/R38-2900-23

22H32-R28/R38-3090-23

22H32-R28/R38-3700-23

22H32-R28/R38-4310-23

   Drifter rod，R32-Hex32-R28
   Flushing hole 9.6mm

 

3090

3700

10'11/2"

12'11/2"

32

32

1 1/4

1 1/4

20.0

23.5

22H32-R28/R32-3090-23

22H32-R28/R32-3700-23

   Drifter rod，R32-Hex32-R28
   Flushing hole 9.6mm.
   With slimed shank end for fenale shank

 

3090

3700

4000

4310

10'11/2"

12'11/2"

13'13/8"

14'11/2"

32

32

32

32

1 1/4

1 1/4

1 1/4

1 1/4

20.0

24.0

25.9

27.9

22H32-R28/R32N-3090-23

22H32-R23/R32N-3700-23

22H32-R28/R32N-4000-23

22H32-R23/R32N-4310-23

   Extension rod，R28-Hex28-R28
   Flushing hole 8.8mm

 

 3050 10' 28 1 1/8 15.0 23H28-R28-3050-23

   Speedrod，R28-Hex28-R28
   Flushing hole 8.8mm

 

 3050 10' 28 1 1/8 15.0 24H28-R28/39-3050-23

 

Coupling

Length

 Diameter Thread Weight approx kg Part No.

mm

 inch

mm

inch

   Coupling sleeves

 

150

150

170

5 7/8

5 7/8

6 3/4

44

40

55

1 3/4

1 37/64

2 5/32

R32

R28

R38

1.0

0.9

2.0

7314-2601

7314-2602

7314-2603
   Coupling sleeves of different diameter

160

160

6 5/16

6 5/16

45

56

1 3/4

1 13/64

R28-R32

R28-R38

1.2

2.5

7314-2604

7314-2605

ABOUT US



Taizhou Kaiqiu Drilling Tools Co., Ltd. is a China R28 Top Hammer Tunneling Mining Thread Button Bit/Rod/Coupling manufacturers and R28 Top Hammer Tunneling Mining Thread Button Bit/Rod/Coupling suppliers with a history of more than ten years. Inheriting the family spirit of craftsmanship, on its entrepreneurial path, the company stands by pragmatic and resolute faith, and comply with the core value of being result-oriented, responsible and accountable, in order to promote the revolution and development in segmented market. In the meantime, Kaiqiu Company has achieved its modest objective of establishing itself as the market leader in R28 Top Hammer Tunneling Mining Thread Button Bit/Rod/Coupling.

New norm, new journey. As we march on this journey full of glories, we are going to dedicate ourselves to the “human drilling tools” industry with the most responsible and enthusiastic devotion. Become the most trusted R28 Top Hammer Tunneling Mining Thread Button Bit/Rod/Coupling factory by customers. We will strive to improve the cost-efficacy, recognition, and comprehensive performance of the product, and make Kaiqiu one of the most influential enterprises in the market that enjoys advantages in intellectual property rights and innovation capability.

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