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Lifting Subs

DRILL STRING ACCESSORIES
Circulating Subs
Crossover Subs
Drillable Lifting Subs
Drill Pipe Pup Joints
Kelly Saver Subs
Lift Nubin
Lifting Subs
Lower Kelly Valves
Side Entry Subs (Integral)
Side Entry Subs (Welded)
Upper Kelly Valves
image of lifting subs - Downhole Oil Tools, Inc.
Lifting Subs are of one-piece construction and manufactured from 4145M or 4140HT alloy steel.

The Lifting Sub comes as tapered or square shoulder types and is available in all diameters and lengths.

When ordering, please specify:

  • Drill collar OD

  • Tool Joint OD

  • Tapered, square shoulder or combination

  • Drill pipe OD

  • Drill collar connection size & type

  • Bore

  • Pressed or cast steel thread protectors.