HDS/HDP/RTM4/RTS4 Roller Kelly Bushings

HDS/HDP/RTM4/RTS4 Roller Kelly Bushings
HDS/HDP/RTM4/RTS4 Roller Kelly Bushings
HDS/HDP/RTM4/RTS4 Roller Kelly Bushings
HDS/HDP/RTM4/RTS4 Roller Kelly Bushings
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According to the drive method, this range of roller kelly bushing is classified into square drive and pin drive types. Based on the capacity, the product is divided into heavy duty, medium duty and light duty types.

These roller kelly bushings are applicable for rotary tables with diameter between 171/2 and 491/2 inches. They are designed and manufactured in accordance with API Spec 7K specifications for drilling and well servicing equipment.

Technical Parameters

Model Type Drive System  Applicable Size of Kelly Bar
Square Hexagon
HDS Heavy duty type Square drive system 21/2-6 3-6
27-HDP Pin drive system  21/2-6 3-6
20-HDP 21/2-6 3-6
RTM4 Medium duty type Square drive system 21/2-51/4 3-41/4
RTS4 Light duty type 21/2-41/4 3-41/4

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