tricone rotary drill bits 8 1 2inch

{"cid":"91187508","title":"17 1\/2inch 444.5mm Tci tri-cone bit rock roller bit tci tricone rotary drill bit","imgUrl":"https:\/\/img.ismap.com\/nimg\/f9\/85\/f02bae028c9cadf9febf9e7cf487-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"chuanzuan","Model Number":"IADC 537","Minimum Order Quantity":"1","Certification":"CE, ISO","Place of Origin":"china","Supply Ability":"100","Packaging Details":"Fumigation-free wooden box","size":"17 1\/2 inch tci tricone bit","IADC Code":"537","Connection":"7 5\/8\"API reg pin","Nozzle Qty":"3NZ","Make up Torque(KN.m)":"16.3~21.7","Rotary Speed(rpm)":"110~40","Bearing type":"Sealed and non-sealed bearing","Machine Type":"water well drilling","Color":"As required"}}

{"cid":"91186447","title":"Popular Steel Tooth Tricone Bit , Rotary Drill Bit IADC 126 Blue Color","imgUrl":"https:\/\/img.ismap.com\/nimg\/d8\/e8\/68d74375d2903729c0b3e914c3d0-200x200-1.jpg","attrs":{"Brand Name":"FLRT","Model Number":"12 1\/4\" FSA126","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":"Sealed Journal Bearing","Cutting Material":"Milled Tooth","Standard":"API-7-1, ISO 9001:2008","Series":"FSA","Application":"Geothermal well drilling","IADC":"126","Color":"Blue"}}