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Roller Cone Bit-8 1/2'' IADC617

Product serial number


  • Description
  • Product Specification
    Cone Size 8 1/2"
    Bearing Type Sealed Bearing
    Inserts/Teeth 49*14mm
    Cone Materia 15MnNi4Mo
    Thread Connection 4 1/2 Reg Pin
    Operating Parameters
    RPM (r/min) 90-50
    WOB(KN/mm) 0.45-1.1
    Application Medium hard formations with high compressive strength such as hadr shale,limestone,sandstone,dolomite,etc.

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To: Hejian Longyue Drill Bit Manufacture Co.,Ltd

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