leffer casing
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The use of double-walled casings ensures a flush drill string.
Unicorn Drill Drilling Casing Tube
Unicorn Drill Drilling Casing Tube<br> Size: 600-3000mm (Customize)<br> Drill Bit: 25T\B47K\Etc<br> Lead time: 15-20 working days
Unicorn Drill Full Locking Kelly Bar
Interlocking,Friction,Full interlocking,Combined Kelly Bar are optional<br> Application for Bauer, Soilmec,Casagrande,Sany,XCMG, Liebherr,Mait,IMT,Sunward,Zoomlion ect<br> 15+ years history<br> 200+ good feedback<br> 1 year or 2000 working hours warranty
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