6 1 2 drum roller cone bit

{"cid":"91218995","title":"6 1\/2 17 1\/2 Inch Drum Roller Cone Bit Carbide Tricone Rock Bit","imgUrl":"https:\/\/img.chinax.com\/nimg\/69\/8e\/5e289ae9f4e8ccc44e735f3c06cb-200x200-1.jpg","attrs":{"Price":"Negotiable","Minimum Order Quantity":"Negotiable","Delivery Time":"5-15work days","Certification":"ISO9001","Place of Origin":"Hebei,China","Supply Ability":"30000PCs per Year","Packaging Details":"According to customer needs","Product Name":"Roller Cone Bit","Applicable Industries":"Construction Works , Energy And Mining","Machine Type":"Drilling Tool, Drilling Tool, Drilling Equipment","Material":"Carbon steel, High Manganese Steel, Carbide","Processing Type":"Forging","Diameter":"9 7\/8inch","Type":"Bit","Advantages":"High performance","Formation":"Soft to hard","Payment Terms":"T\/T"}}

{"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"}}