Specifications

1. API SPEC 7K Standard
2. Matches with the master bushing to drive the kelly
3. Square drive and pin drive two forms

Standard: API SPEC 7K Standard

 

Function:

This king of bushing is the necessary product of drilling rig. It matches with the master bushing to drive the kelly. This product rotates the kelly through four rollers to reduce the friction thus extend its working life.

 

Usage:

This product has square drive and pin drive two forms. It can match with different type of kelly by changing the rollers. Our rotary bushing can interchange with production of National, Oilwelll, Emsco, Ideco, Gardner etc company.

 

Type: Rotary bushing, Roller bushing, Kelly bushing and Casing bushing.

 

For the detailed specifications,pls send E-mail us to sales2 at