High quality rock drill rod taper drill bit for mining quarry and tunnel

Application: for well drilling. out diameter: from 2 3/8” to 6 5/8″ length ranges: range 1: 18 ft. to 22 ft. range 2: 27 ft. to 30 ft. range 3: 38 ft. to 45 ft. types: drill pipe heavy weight drill pipe tool joint pup joint coating

High quality friction welding dth drill pipe price / drill rods price 76,89,102,114mm for rock blasting and water well drilling xuanhua superman dth machinery co., ltd. us $50.0-100.0 / piece

Dth drill rods (also called as drill tubes or drill pipes) are the mechanism to transmit impact force and rotation torque to dth hammer and dth bit, as well as offer pass for the air flow.guizhou vilong supplies a full size of friction welded dth drill rods from 76mm to 140mm with different wall thickness. in dth drilling, the percussive dth hammer is located behind the drill bit, inside the ...

Dth drill rod, dth drill pipe, dth drill tube manufacturer / supplier in china, offering dth drill rod, pd450 hydraulic stone splitter for mining, hd709-t45/t51-590 shank adapter and so on.

We attach value to innovation, especially with patents of China on High quality rock drill rod taper drill bit for mining quarry and tunnel, its excellent technology has reached the international advanced level, and has a higher reputation inside the High quality rock drill rod taper drill bit for mining quarry and tunnel industry. Our group not merely has excellent researchers and business nationwide sales and service network, but additionally are China prospects specified brand companies.


High quality rock drill rod taper drill bit for mining quarry and tunnel exporter from China, we are the most expert supplier from USA with ISO9001 Certification. Also the items have been certified by mutiple security certification.We'll offer you our High quality rock drill rod taper drill bit for mining quarry and tunnel priducts in top-quality and most favourable price.

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