PDC drilling bit,Drag bit,Rotary bit,Oil Drilling,Rock drilling,Rotary drilling,Down the hole, DTH bits,Well Drilling,PDC bits PDC bit 8 Wings:1. Short parabolic crown ... to hard formation.8. High His is recommenced.CodeSize ( in)Bit informationRecommededOperation ParametersNozzle ( Pcs)Gage ( in)API CONNREGinFlowrate1/sRolationSpeed1/minWeightOn ... -1/4846-5/838-6060-35022-160 8 Wings PDC bit