Interlocking Kelly Bars 30m 45m 50m
Jan 21, 2022
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# Interlocking kelly bars 30m
# Interlocking kelly bars 45m
# Interlocking kelly bars 50m
Interlocking kelly bars 30m 45m 50m Q345B seamless steel tube bored pile kelly bars bg24 bg28 bg36 Interlock Kelly bar adopts the international advanced six-ribs distribution technology. The inner keyboards and outer keyboards are manufactured from overall forging and pressing high-tensile steel . The special heat treatment which make this style Kelly bar with high abrasion resistance, compression resistance and excellent welding properity. Kelly bar is based on domestic rig
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Interlocking Kelly Bars 30m 45m 50m
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