Roller kelly bushing for offshore drilling rig
- Manufacturer: Kelly
Products Description Features: 1.Roller kelly bushing is a necessary tool for drilling. is to drive kelly spinner by matching with master bushing. Through rotating of four rollers, the friction between rollers an...
$3,000 USDJiangsu, China
API 7K Kelly bushing square drive roller kelly bushings oil drilling rig equipment tool
- Manufacturer: Kelly
Products Description Production description of API 7K Kelly bushing square drive roller kelly bushings The roller kelly bushing are necessary tools to drive the kelly with the master bushing.There are two kinds o...
$1,500 USDJiangsu, China
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