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Products > drills sets > Langfang KongRui Machinery Equipment Co.,Ltd | Similar Products

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Customized Mix Lock & Friction Kelly Bar: sets Kelly ribs and customized Pressure key boards reasonable matches to be adaptabe for complicated geological conditions. C-Reinforcement ring was attaced on each termiinal joint top to reduce the ...

Friction Kelly Bar Customized for Various Drilling Rig Model: 1. Friction Kelly bar 2. KR Drill - Characteristic Materials---What we agree with ? A-We fully understand that the Materials is the first key step to make the good Kelly bar, so strictly control of ...

Interlocking Kelly Bar Customized for Various Drilling Rig Model: sets Kelly ribs and customized Pressure key boards reasonable matches to be adaptabe for complicated geological conditions. C-Reinforcement ring was attaced on each termiinal joint top to reduce the ...

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Customized Mix Lock & Friction Kelly Bar