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  • Geological spiral drill pipe
  • Geological spiral drill pipe
Geological spiral drill pipe

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product details

Product Features

1. The drill pipe has high hardness and good wear resistance;

2. The slag discharge speed is fast and it is not easy to get stuck in the drill;

3. With high bending strength and firm welding;

4. With quick connection and high work efficiency;

5. Suitable for drilling and gas drainage in soft coal seams.

Technical Parameters

Spiral diameter mm

Rod diameter mm

Length mm

Connection method

Steel grade

Φ38, Φ42, Φ69, Φ76

Φ22, Φ25, Φ34, Φ42

500 ~ 2600

Thread/plug

R780

Φ89, Φ110

Φ50、073

Plug-in

Φ98

Φ63.5

Dry/wet plug-in

Φ280, Φ426

Φ159

500 ~ 1500

Thread/plug

Φ300

Φ73, Φ89

Thread/plug

Note: Special specifications can be customized