CHANGZHOU CREATOR DRILL EQUIPMENT SCINENCE AND TECHNOLOGY CO.,LTD tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used tricone bits , steel tooth and tungsten carbide insert, in sizes from 37/8" to 36", for use in all formations, with any bearing: seal type / air type , tricone bits apply to oil gas geothermy mining water HDD and foundation industry.
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