
HQK 5 1/2" IADC 517 tricone bit is composite sealed,suitable for high rotary speed.It can be applicable in low compressive strength,high drill-ability and soft formation,like shale,clay,sandstone,soft limestone,salt rock,etc.
HQK 5 1/2" IADC 517 tricone bit is composite sealed,suitable for high rotary speed.It can be applicable in low compressive strength,high drill-ability and soft formation,like shale,clay,sandstone,soft limestone,salt rock,etc.
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