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6 1/4 FA 517

产品详情


Large dia. offset crested scoop compacts in inner row.wedge compacts in outer row. The durability of premium tungsten carbide inserts is improved with new formulas and new techniques for insert bit.


Multiple gauge protection with gauge trimmers onthe heel of cone, tungsten carbides inserts and hard-facing on the shirttailincreases gouge holding capability and bearing life.



IADC: 517

Bit Size: 6 1 / 4 inch (158.8mm)

Series: FA

Tooth type: TCI

Connection: 3 1 /2 API Reg pin

Nozzle: three sides(jets) nozzles

Bit Weight: 14.4kg



Adapted to be used in Soft with lowcompressive strength and high drillability, such as shale. cloy, sandstone andsoft limestone, etc.