Description

8 1/2" IADC537 tricone bit

Basical Specification Size of Rock Bit 8 1/2 inches 215.9mm IADC Code 537G Thread Connection 4 1/2 API reg pin Factory Series KJ Series Metal-face sealed bearing Operating Parameters WOB(Weight On Bit) 21856~48569lbs 97~216KN RPM 220~50 Formation Soft to medium formation with low compressive strength ,such as medium soft shale,medium softlimestone,medium soft sandstone,medium formation with harder and abrasive interbeds,etc.

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