group nameWellhead Tools
Min Order1 piece
modelsquare
update timeMon, 08 Apr 2013 00:12:56 GMT
Processing Type Casting
Machine Type Drilling Equipment
Type Drill Pipe
Use Well Drilling
Certification API
Material Carbon Steel
Min Order1 piece
Square Drive Roller Kelly Bushing
1.Pulling out or feeding off string can be done while rotating;
2.Because of its integral construction, it cannot fly out and hurts you.
3.The bushing is easily installed into the master bushing, maintaining good alignment;
4.The contact between Kelly and roller is rolling contact, so friction is lower, and weight on bit is accurate;
5.The Kelly has lower wear and has long life.
Model | Type | Way of Drive | Suitable for Kelly | |
Square(in) | Hexagon(in) | |||
HDS | Heavy | Square drive | 3-6 | 3-6 |
27-HDP | Pin drive | 3-6 | 3-6 | |
20-HDP | Pin drive | 3-6 | 3-6 | |
RTM4 | Medium | Square drive | 2 1/2-5 1/4 | 3-4 1/4 |
20-MDP | Pin drive | 2 1/2-4 1/4 | 3-4 1/4 | |
17-MDP | Pin drive | 2 1/2-4 1/4 | 3-4 1/4 | |
RTS4 | Light-dury | Square drive | 2 1/2-4 1/4 | 3-4 1/ |
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