Results forhot treatment piling rig kelly barfrom 3 Products.
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International Kelly bar 1. Material: Q345B or 35CrMo 2. Type: Interlocking kelly bar, friction kelly bar, combined interlocking and friction kelly bar, square kelly bar, etc ...
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Foundation Tool Kelly Bar Alloy Hot Treated Important Component Low Weight The purpose of kelly bar is to transfer torques and pressures into drilling tools and kelly bar is the ...
china
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Foundation Tool Kelly Bar Alloy Hot Treated Important Component Low Weight The purpose of kelly bar is to transfer torques and pressures into drilling tools and kelly bar is the ...
china
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