276mm concentric caasing drilling system

{"cid":"91212094","title":"276mm MRS215 Overbuden Concentric Caasing Drilling Under Reaming System Bit For Construction","imgUrl":"https:\/\/img.chinax.com\/nimg\/28\/49\/0c4ed180e7e41541891b9cd7d3d0-200x200-1.jpg","attrs":{"Price":"999-99999USD\/PC","Brand Name":"MING","Model Number":"MRS215-DHD380","Minimum Order Quantity":"1PC","Delivery Time":"3-5WEEKS","Certification":"ISO9001","Place of Origin":"CHINA","Payment Terms":"T\/T, D\/P, Western Union","Supply Ability":"2000PCS\/MONTH","Packaging Details":"WOODEN CASE","Material":"Carbon Steel,High Manganese Steel","Use":"Quarry Or Mining Or Well Drilling","Type":"Symmetrix Casing Drilling System","Machine Type":"Drilling Equipment","Processing Type":"Forging","Product Name":"Concentric Casing Drilling System","Color":"Gold,Required,Yellow,Red","Application":"Quarry,construction,mining Or Welling Drilling","Usage":"Mining&Construction&Water Well Drilling","Advantage":"High Performance,Widely Used Hard Rocks And Have Good Penetration","Diameter":"115mm-240mm","Model Type":"Cop,Halco,DHD,Mission,NUMA","Name":"ODEX System (eccentric Overburden System)","Item":"Overburden Drilling Casing System","Hammer Type":"Overburden Drilling System","Advantages":"High Strength,High Performance","HS":"82071990","High Light":"276mm Concentric Casing Drilling System, MRS Overburden Casing Drilling System, 276mm dth drilling tools"}}