OEM Drilling Kelly Bar interlocking kelly bar

Nov 09, 2022
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Application Rotary Drill Rig, Piling Equipment, Foundation Drilling Equipment, OEM Available Type Frictional/Interlocking Color Gray/Yellow/red/customer Style Mechanical Friction Kelly Bar Friction kelly bar is composed 3 or 6 wear-resistant seamless alloy strips by working through friction product by rotary passing down the pressure force without concave pressure point. This type is suitable for both soft layer and silt layer. Welcome Contact Us Due to space limitations, not
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