SW Kelly bar

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SW Kelly bar
 
Structure & Strengths
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High strengh、High abrasion-resistance.
High-reliability Prolong service life
 
钻杆规格文字
Common Model and Customization             >
 
钻杆规格
 
伸缩杆的特点

Features of SW Kelly bar                                    >

●Designed according to advanced Modular-element principle with six ribs laid on tubes. ...

 
Working on construction sites
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