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Wire core-drilling tools
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Wire core-drilling tools

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The rope core drilling tool is a drilling tool that pulls cores from the drill pipe without lifting the drill. It is widely used because of its simple structure, reliable performance, and low labor intensity. The rope core drill used for deep hole drilling, the drill rod is thickened at both ends, which greatly improves the strength of the connection with the joint.

Rope core drill rod specifications

specification

series

Drill pipe

Heat treatment method

钻杆材质

使用深度m

Outer diameter mm

the inside diameter ofmm

S56

Basic

53

44

 

45MnMoB

1000

S59

Basic

55.5

46

 

45MnMoB

1000

S75

Basic

71

61

 

45MnMoB

1000

S95

Basic

89

79

 

45MnMoB

600

S75A

Enhanced

73

61

End heat treatment

45MnMoB

1500

S95A

Enhanced

92

79

End heat treatment

45MnMoB

1300

S75B

Enhanced

73

58

End heat treatment

45MnMoB

1600

S95B

Enhanced

92

77

End heat treatment

45MnMoB

1400

SBR

Enhanced

53

44

Overall heat treatment

30CrMnSiA

2500

SNR

Enhanced

73

58

Overall heat treatment

30CrMnSiA

2300

SHR

Enhanced

92

77

Overall heat treatment

30CrMnSiA

2300

BQ

Q series

55.6

46

Overall heat treatment

ZT850

2000

NQ

Q series

70.5

60.5

Overall heat treatment

ZT850

1500

HQ

Q series

89

77.8

Overall heat treatment

ZT850

1000

PQ

Q series

114.3

103.2

Overall heat treatment

ZT850

600

 

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Established in 1975, Hebei Shitan Machinery Manufacturing Co., Ltd
Established in 1975, Hebei Shitan Machinery Manufacturing Co., Ltd
Established in 1975, Hebei Shitan Machinery Manufacturing Co., Ltd is subordinated to Hebei Geology and Mineral Industries Department. As the designated production enterprise, Hebei Shitan Machinery Manufacturing Co., Ltd specialized in manufacturing drilling equipment and auxiliary tools. It is a member of China Mining Association,
See more information
Established in 1975, Hebei Shitan Machinery Manufacturing Co., Ltd is subordinated to Hebei Geology and Mineral Industries Department. As the designated production enterprise, Hebei Shitan Machinery Manufacturing Co., Ltd specialized in manufacturing drilling equipment and auxiliary tools. It is a member of China Mining Association,

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