Open bearing 121 4 mining tricone bit for exploration
Product Description
size:121/4"311.1mm) IADC:532 Tooth type:tungsten carbide insert connection :65/8" API Reg bearing:standard open bearing,air-cooled Nozzle:three jet nozzles application:waterwell,oilwell,HDD,exploration,etc weight:110kg certificate:API7-1,SY/T5164,ISO9001:2008 Recommend rock formation: medium soft with low compressive strength and harder abrasive stringers,such as shale,hard gypsolyte,soft limestone,sandstone and dolomite with stringers,etc.
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