Lift Subs
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

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