Secant Piles
Keyword:
The use of double-walled casings ensures a flush drill string.
Double-walled casings can be used universally, as they are designed especially for transmitting high rotational and vertical forces as created by the rotary drives and oscillators.
Unicorn Drill Combined Kelly Bar
Unicorn Drill Combined kelly bar <br> Size:base on the rigs (Customize)”<br> Section:1-6sections (Customize the type of kelly bar according to requirements)<br> Lead time :5-10 working days<br> Warranty::one year or 2000 working hours
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