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  • Name: DTH drill pipe
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DTH drill pipe

DTH drill tubes are used for connecting DTH hammer and DTH button bits; they are made from seamless tubes. Tubes play a significant role in all DTH drilling, regardless of application, rock type, hole depth or drill rig. The key features of a high quality DTH tube are durability, accuracy and manageability. According to different application, different diameters of drill tubes are needed , basically, smaller DTH hammers need smaller DTH drill tubes, vice versa. Usually we are offering 50mm, 60mm, 76mm, 89mm, etc. Our  all DTH drill tubes are friction welded, and usually the threads are standard API connections, like 2 3/8" API REG thread, 3 1/2" API REG thread or API IF thread, etc. According to customers request,  from 1000mm to 5000mm length of tubes are available.

 

 

Outer diameter

Thread

Wall thickness

Length

Wrench flat

Weight

mm

mm

mm

mm

approx Kg

API Reg Thread

76

2 3/8 API Reg

5.5

1000

57

17

1500

22

2000

26

3000

35

1000

65

17

1500

22

2000

26

3000

35

6.5

3000

46

4500

56

6000

73

89

5.5

1000

20

1500

25

2000

30

3000

40

6.5

1000

21

1500

26

2000

32

3000

45

4500

65

6000

84

F Thread

50

F42×10

4.5

1000

40

 

60

F48×10

1000

1500

2000

3000