Drilling pipe:
This series products are mainly used with a portable or handheld drill, drill rod with light weight,
quick connect, slag discharge speed, greatly improving the work efficiency, so we called high
efficiency spiral drill rod. Widely used in deep ground water exploration drilling construction of
near coal seam gas coal bed geological conditions, divided into the water type and no water type.
Parameters for DTH drill rod bolt pipe:
Our company production DTH drill rod, friction welding machine welding.
Connector use 40cr after quenched and tempered high strength. Numerical control lathe and
whirlwind milling machine processing thread with high precision. Length is 1000mm, 1050mm,
1500mm, 2000mm, 3000mm.
Photos for DTH drill rod bolt pipe:




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Molly
Skype:vivianhengwang
QQ:2853024700
Tel:+86 537 2580328
Mobile:+86 13563710733
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