6 1 2 drum roller cone bit

{"cid":"91219452","title":"IADC116 IADC117 Tricone Roller Bit","imgUrl":"https:\/\/img.chinax.com\/nimg\/d6\/cd\/cf8842335d4e527c51355d5d97e3-200x200-1.jpg","attrs":{"Price":"According to product specifications","Delivery Time":"5-15work days","Certification":"ISO9001","Place of Origin":"HeBei . China","Payment Terms":"T\/T","Packaging Details":"According to customer needs","Name":"Roller cone bit","Advantages":"High efficiency","Applicable industries":"Construction Engineering, Energy and Mining","Material Science":"Carbon steel, high manganese steel, hard alloy","Processing type":"Forging","Type":"Bit","Usage":"Well drilling","Machine type":"Drilling tools, drilling tools, drilling equipment"}}