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Litian Heavy Industry Machinery Co., Ltd
Litian Heavy Industry Machinery Co., Ltd
Drill Bit Extension Rod
Drill Extension Rod
Extension Drill Rod
Rock Drill Extension Rod
Drill Bit Extension Rod
Drill Extension Rod
Extension Drill Rod
Rock Drill Extension Rod

Extension Rod

Extension rod, with male threads at both ends, connects with a shank adapter through a coupling sleeve. Rock drill extension rod can divide into round extension rods and hexagonal extension rods, and is widely used in bench drilling, bolt hole drilling, production drilling, long hole drilling, small hole drilling and other fields.


Litian owns a large scale extension rod factory to produce and provide high quality rock drill extension rods, such as R22 drill extension rod, R25 extension rod, R28 extension rod, R32 extension rod, R38 extension drill rod, T38 threaded extension rod, T45 extension rod, T51 rod, SR25 extension rod...

Specification Of Extension Drill Rod

R22

Length

Diameter

Weight

Model No.


[mm]

[ft-in]

[mm]

[in]

[kg]


R22 Extension Rod

800

2' 7″

22

7/8″

2.4

R22-H22-800

Extension rod, Hex 22, R22 - R22

1200

3' 11″

22

7/8″

3.6

R22-H22-1200



1600

5' 3″

22

7/8″

3.8

R22-H22-1600


R25

Length

Diameter

Weight

Model No.


[mm]

[ft-in]

[mm]

[in]

[kg]


R25 Extension Rod

915

3'

25

1″

3.6

R25-H25-915

Extension rod, Hex 25, R25 - R25

1220

4'

25

1″

4.6

R25-H25-1220



1525

5'

25

1″

5.7

R25-H25-1525



1830

6'

25

1″

6.9

R25-H25-1830



2435

8'

25

1″

9

R25-H25-2435



3050

10'

25

1″

12

R25-H25-3050


R32

Length

Diameter

Weight

Model No.


[mm]

[ft-in]

[mm]

[in]

[kg]


R32 Extension Rod

915

3'

32

1 1/4″

5.8

R32-D32-915

Extension rod, Round 32, R32 - R32

1220

4'

32

1 1/4″

6.3

R32-D32-1220



1525

5'

32

1 1/4″

8

R32-D32-1525



1830

6'

32

1 1/4″

9.8

R32-D32-1830



2435

8'

32

1 1/4″

13

R32-D32-2435



3050

10'

32

1 1/4″

16

R32-D32-3050



3660

12'

32

1 1/4″

20

R32-D32-3660



4265

13'

32

1 1/4″

23

R32-D32-4265


T38

Length

Diameter

Weight

Model No.


[mm]

[ft-in]

[mm]

[in]

[kg]


t38-extension-rod.jpg

305010' 321 1/4″18T38-H32-3050

Extension rod, Hex 32, T38 - T38














t38-1.jpg

3050

10'

39

1 1/2″

24

T38-D39-3050

Extension rod, Round 39, T38 - T38

3660

12'

39

1 1/2″

29

T38-D39-3660


T45

Length

Diameter

Weight

Model No.


[mm]

[ft-in]

[mm]

[in]

[kg]


T45 Extension Rod

3050

10'

46

1 3/4″

33

T45-D46-3050

Extension rod, Round 46, T45 - T45

3660

12'

46

1 3/4″

40

T45-D46-3660



4265

14'

46

1 3/4″

47

T45-D46-4265


T51

Length

Diameter

Weight

Model No.


[mm]

[ft-in]

[mm]

[in]

[kg]


T51 Extension Rod

3660

12'

52

2″

50

T51-D52-3660

Extension rod, Round 52, T51 - T51

4265

14'

52

2″

56

T51-D52-4265



6095

20'

52

2″

85

T51-D52-6095



Can't find the drill rod you require? Please contact us! ↓


Extension Drill Rods

Features:

· Threaded Coupling: Extension rods have threaded connections at both ends to allow multiple rods to be connected, extending the drilling depth.

· Length Variability: They come in various lengths, providing flexibility in achieving different drilling depths.

· Straight Design: Typically, they have a uniform diameter along their length, ensuring consistent performance and easy handling.


Applications:

· Deep Hole Drilling: Ideal for deep hole drilling operations where multiple rods are connected to reach the required depth.

· Bench Drilling: Commonly used in bench drilling in mining and construction, providing precise and efficient drilling.

· Production Drilling: Suitable for production drilling where consistent and reliable performance is needed over extended depths.


Characteristics:

· Durability: Made from high-quality steel to withstand the rigors of deep drilling.

· Thread Types: Available with different thread types to match various drilling rigs and bits. 

· Versatility: Can be used in a variety of drilling environments due to their adaptable length and connection options.


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