Roller Kelly Bushing

Roller Kelly Bushing

Roller Kelly Bushing ETANG could supply all type of roller kelly bushing with superior quality and shortest lead time.

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Product Details

Roller Kelly Bushing

Roller Kelly bushing is designed and fabricated as per API Spec 7K.
Roller Kelly bushing is divided into two types by drive mode, pin drive and square drive.
Based upon duty, it can be divided into heavy duty, medium duty and light duty.


Model


Type


Drive Way

Applicable Size of Kelly(in)

Square

Hex

HDS


Heavy duty

Square drive

21/2-6

3-6

27-HDP


Pin drive

21/2-6

3-6

20-HDP

21/2-6

3-6

4KRVS


Medium duty



Square drive


21/2-51/4


3-41/4

20-MDS

17-MDS

4KRBM

Light duty

21/2-41/4

3-41/4

 

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