Lifting Sub
Lifting sub is the special tools for lifting of the drill tools in petroleum, natural gas industry and geologic exploration. With their multifunctional design, lifting subs are instrumental in a wide array of lifting operations, including equipment installation, well servicing, and rigging applications.
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Lifting subs are one-piece construction and manufactured from 4145M or 4140HT alloy steel. The Lift Sub can be divided into sloping shoulder (18 degree) and straight shoulder (90 degree), All lifting subs are complied with API standard.
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