Specifications

API Standards
Material: AISI 4145H
Usage: for lifting of drill tools in oil and gas exploration.

Lift sub   used for lifting of the drill tools. There are two types for drill tools lifting sub in structure: Type A and Type B.

Type A: Both the top and bottom ends are all with thread connection

Type B: Bottom end with thread connection

Lift sub used for lifting of the drill tools. There are tow types for drill tools lifting sub in structure: Type A and Type B.

Type A: Both the top and bottom ends are all with thread connection

Type B: Bottom end with thread connection

When ordering, please specify:

1. Size and type

2. Please specify special requirements if needed.