5 1/2 Inches(139.7mm) HDD Pilot Bits Composite Sealed Bearing
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Classification:
Introduce
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| RPM(r/min) |
220~50
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| WOB(KN) |
63~139.7
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| Formations |
Soft to medium formations with low compressive strength, such as medium soft shale, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds, etc.
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Regular Models
Applications
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Related Catagories
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| PDC Bits | Hole Opener | Roller Cones (Thirds) | Piling Roller Cones |
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No.319-324, F1, Shoulashou Int'l. Autoparts Center,Shijing Road,Hejian City, Hebei Province, China