- Trusted Seller
Hot selling! Roller Kelly Bushings are used for 17 1/2-49 1/2 inch rotary tables
- Manufacturer: Kelly
Roller Kelly Bushings 1. Model: HDS, 27-HDP, 20-HDP, RTM4,RTS4 2.Roller kelly bushings can be classed as two types based on different ways of drive, square drive and pin drive 3.Roller kelly bushings can be class...
Dongying, China - Trusted Seller
API Rotary Kelly pipe(Square Kelly and Hexagonal Kelly) for oilfield
- Manufacturer: Kelly
Manufactured from AISI 4145H-modified fully heat-treated alloy steel with a Brinell hardness range of 285-341 Kelly is the drive part of whole drill string, it transmit the torsional energy from the rotary table ...
Dongying, China