roller cone bit 3 7 8inch

{"cid":"91219452","title":"Tungsten Carbide Milled Roller Cone Bit 3 7\/8inch High Rigidity","imgUrl":"https:\/\/img.ismap.com\/nimg\/62\/62\/00ea509b1ef2e275cb0ebfb8580e-200x200-1.jpg","attrs":{"Price":"Negotiable","Delivery Time":"15-30 work days","Place of Origin":"Hebei,China","Certification":"ISO9001","Packaging Details":"According to customer needs","Payment Terms":"TT","Size":"3 7\/8","Number of Blades":"3","Blade Height":"8mm","Blade Angle":"90\u00b0","Blade Width":"6mm","Material":"Carbide","Blade Thickness":"2.5mm","Weight":"2.5kg"}}

{"cid":"91186447","title":"FSA435G TCI Tricone Bit , Sealed Roller Bearing , Big Size Roller Cone Bit , Shallow Oil Well Drilling","imgUrl":"https:\/\/img.ismap.com\/nimg\/d8\/91\/010d378d9bd26cbdc4c3b17c7b7e-200x200-1.jpg","attrs":{"Brand Name":"FLRT","Model Number":"12 1\/4 FJ537GT","Minimum Order Quantity":"5pcs","Delivery Time":"5~45 workdays","Certification":"API-7-1 , ISO 9001:2008","Place of Origin":"China","Supply Ability":"200pcs per quarter","Packaging Details":"plywood box \/ iron box","Bearing Type":"Rubber Sealed Roller Bearing With Gauge Protection","Cutting Material":"TCI","Standard":"API-7-1, ISO 9001:2008","Series":"FSG","Application 1":"Oil well drilling","Application 2":"HDD drilling as pilot bit","Application 3":"Geothermal well drilling","IADC":"435"}}