bi center drill bit 6 5 7 5 inch

{"cid":"91213517","title":"API Spec 6 -1\/2 Inch x 7-1\/2 Inch PDC Bi-Center Drill Bit Of Hard Rock Drill Bit","imgUrl":"https:\/\/img.chinax.com\/nimg\/f0\/86\/69f542b54e631936736e59261120-200x200-1.jpg","attrs":{"Price":"nogotiation","Brand Name":"ENG","Model Number":"8500","Minimum Order Quantity":"nogotiation","Delivery Time":"2-4 Weeks","Certification":"API, ISO","Place of Origin":"China","Payment Terms":"L\/C, T\/T","Supply Ability":"5000 PCS \/ Year","Packaging Details":"Wooden Box or matal box","Type":"Diamond Drill Bit","Use":"Coal Mining \/ Pcd Impregnated Diamond Exploration PDC Bits","Material":"Stainless Steel,diamond,Polycrystalline diamond compact","Processing type":"Forging,Casting,sintering item","Product name":"good quality API used PDC drill bit for sale","Size":"Required","Color":"Request","Advantage":"High-efficiency,longer life,High Strength","Diameter":"as requirement","Usage":"geotechnical drilling,gas,Oil drill bit","Blades":"3 - 9 blades","Market":"all over the word","Packing":"wooden box,steel box","Rock formation":"f<8"}}