kinds of not used drill pipe mine geological drill rod in good price manufacturer

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kinds of not used drill pipe mine geological drill rod in good price manufacturer

Application of kinds of not used drill pipe mine geological drill rod in good price manufacturer

coal mining electric coal drill

Detailed information of kinds of not used drill pipe mine geological drill rod in good price manufacturer

1.hole diameter:50(mm)

2.drilling depth (300m)

3.drill rod caliber : Φ50

4.dimension: 50-300(mm)

5.can be customized:yes

6.brand:DAIZONG

7.model:50

8.other name: geological drill pipe 

Geological drilling rod is made of geological alloy steel pipe by the friction welding process design and production of geological drilling tools the material comes from geological special alloy steel pipe (R780, DZ50), geological drill bit is made of high quality alloy structural steel (42 crmo) after true air conditioning conditioning treatment, greatly improving the fatigue strength and the shear strength.It is after advanced friction welding soldering technology production and processing, high bending strength, welding strong characteristic makes it can meet the requirements of deep hole drilling on straightness and high fatigue strength and longer lifespan.

Pipe series:

spiral drill pipe

dht drill pipe

geological drill pipe

coal drill pipe

coal mine drill bit

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