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Brief Introduction
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Structure&Strengths
Common Model of Kelly bar(MZ(JS)D-nxL
Typical model
Refurbish second-hand Kell bar
Features of SW Kelly bar
SW Kelly bar
Product
SW/JS406-4*14.5
SW/JS440-4*14.5
SW/JS470-4*23
SW/JS508-4*16.5
SW/JS508-4*14
SW/JS559-4*22.3
SW/JS559-5*20.4
SW/MZ470-4*25
SW/JS406-4*13
SW/JS343-4*9
SW/JS368-4*13.5
SW/JS419-4*13.5
SW/JS394-4*14.5
kelly flange tube
Drive stub part
kelly drive stub transfer
kelly trips
Termainal joint
Swivel
kelly guide
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