Casing method
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Diameter: 500-3000mm or customized<br> Thickness: 40mm-60mm or customized<br> Length:0.5m-6m or customized<br> Drilling teeth: WS39/sb42JL/B38JM ect<br> 15+ years history<br> 200+ good feedback<br> Customized services
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
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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