Friction Kelly Bar Interlocking Kelly Bar Combined Kelly bar Tailored Kelly bar Read more
Desander Read more
Drilling Bucket Drilling Auger Core Barrel Tailored tools Read more
Parts for Kelly bar Parts for rigs Steel rope Trimie Pipe Read more
Beijing Unidrill, devoted to supply the best matching Kelly bar for every pro...more
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The diameter of the pile is 3m, and after 75hrs drilling with Unidrill Kelly ...more
