Diameter 89mm Drill Pipes

Product Description The geological drill pipe is made of high-quality alloy steel pipes, and the joints are made of high-quality alloy structural steel. Geological drill pipes are used in advanced detection of coal seams in coal mines, such as water exploration and gas drainage. It is widely used in the fields of petroleum, coal mines, metal ore mining, railways, highways, tunnels and bridges, hydraulic engineering drilling, anchoring and blasting drilling construction and other fields.