Beijing Jietaihongli Technology Co., Ltd.

Beijing Jietaihongli Technology Co., Ltd.

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Sr40 Sr60 Sr70 Interlocking Kelly Bar In Drilling Engineering

Sr40 Sr60 Sr70 Interlocking Kelly Bar In Drilling Engineering
  • Sr40 Sr60 Sr70 Interlocking Kelly Bar In Drilling Engineering
Products Detailed
Interlocking Kelly Bar No. OD Section Way of crowding Length of per section(m) Drill depth Torque 1 ¢299 3 4 (interlock-type) 9-12 24-45 100 -120 2 ...
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