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6 3/4" IADC 537 Tricone Roller Bit
- Diameter: 171.5mm
- Diameter: 6 3/4"
- Teeth Type: TCI
- IADC No.: 537
- Pin Type Dimensions :3 1/2" API
- Bearing type : Rubber Sealed Bearing
- Structural composition:composed of drill bit body, roller cone, bearing, seal, and nozzle; The mainstream is the tricone, which is divided into two types: steel teeth (milling teeth) and embedded teeth (hard alloy teeth)
- Principle of rock breaking:The composite motion of revolution and rotation relies on the dual effects of impact crushing and shear scraping to break rocks
- Sealing and lubrication: metal seal+oil storage bag+high-temperature grease, with a temperature resistance of up to 260 ℃, preventing drilling fluid from invading
- Tooth type adaptation: wedge-shaped/spoon shaped teeth for soft formations; High strength gear teeth are used in hard formations, which are wear-resistant and impact resistant
- Hydraulic design: nozzle optimization, cooling of drill bit, cleaning of well bottom, anti mud package
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