API 7K HDS Roller Kelly Bushings
group nameWellhead Tools
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Min Order1 piece
modelHDS
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update timeMon, 08 Apr 2013 00:20:27 GMT
Paramtents
Processing Type Casting
Machine Type Drilling Equipment
petroleum equipments API 7K
Use Well Drilling
Certification API
Material Carbon Steel
Packging & Delivery
Min Order1 piece
Briefing
* ApI 7K
* used for 17.1/2 to 49.1/2inch rotary tables
Detailed
API 7K HDS Roller Kelly Bushings
* ApI 7K
* used for 17.1/2 to 49.1/2inch rotary tables
API 7K HDS Roller Kelly Bushings
Roller Kelly Bushings can be classed as two types based on different ways of drive, square drive and pin drive. Also they can be classed as three types based on different style, heavy, medium and light-duty. They are used for 17.1/2 to 49.1/2inch rotary tables. They are designed and manufactured according to API Spec 7K.
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 | ||
RTM4 | Medium duty | Square drive | 21/2-51/4 | 3-41/4 |
RTS4 | Light duty | 21/2-41/4 | 3-41/4 | |
