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12 1/4'' Cone Reamer Bit
- Size: 12 1/4''
- IADC: 537
- Thread : 6 5/8"API REG BOX--PIN
- Bearing type : Rubber Sealed Bearing
- Single roller cutter--Quantity : 5
- Multi roller combination structure: 3 or more independent rollers arranged vertically and extending radially, specializing in vertical/large-diameter well drilling
- Rock breaking mechanism: revolution+rotation, impact crushing+shear scraping dual rock breaking, high efficiency in hard rock
- High strength and wear-resistant design: alloy steel body+palm back embedded alloy, anti shedding structure, sealed bearing resistant to high temperature and mud invasion
- Straightening and diameter maintenance: Front and rear straightening rings/plates have strong vertical stability, regular aperture, and small wellbore inclination
- Strong adaptability: Steel teeth (soft layer)/inlaid teeth (hard layer) are optional, with a customizable aperture of 220-2200mm
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