Drill rod for down-the-hole drilling rig
Drill rod for down-the-hole drilling rig
①Meticulous workmanship, assured quality, raw materials are made of high-quality materials, and the surface gloss and concentricity are good.
② Strong power, high efficiency and high performance, fast drilling speed, wide range of use, saving time and effort.
③Easy to install, standard manufacturing process, standard size and small error.
Specifications
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