ring bit drilling system online manufacture

Product name: 146 MM MRING single-use symmetric caisng drilling system with casing shoe Product category: MRING Concentric casing drilling bit Matched hammer: Hammer DHD340 Matched casing pipe OD: 146mm ... Read More

Product name: 114mm Supporting casing drilling recycle ring bit for tunnelling Product category: Symmetric casing ring bit Matched hammer: Hammer DHD340 Matched casing pipe OD: 114mm 114mm Supporting casing ... Read More

Product name: T38 Symmetric Casing Drilling Bit For Tunneling N80 with raw materials Product category: Symmetric casing drilling system Matched connection: T38 Matched casing pipe OD: 114mm Overburden Casing ... Read More

Product name: 133mm MRING Overburden Casing Drilling System Bit For Rock Foundation Drilling Product category: Overburden casing drilling system Single-use Overburden Casing drilling ringbit description: The ... Read More

Product name: 188mm Mring Overburden Symmetric Casing Drilling System Hole Opener Drill Bit For Well Drilling Product model: Overburden Symmetric Casing Drilling System Matched hammer: Hammer DHD350 Kingdrillin... Read More

Product name: 89mm MRING Overburden Symmetric Concentric Casing Drilling System Bit For Rock Formation Product category: MRING Overburden Casing Drilling System Bit MRING-XD integral symmetric casing drilling ... Read More

Product name:114MM single use symmetric casing drilling bit for waterwell drilling Product model: Mring casing bit Matched hammer: Hammer DHD3.5 Matched casing pipe OD: 108mm Kingdrilling MRING overburden ... Read More

Product name: 323mm MRING-XD integral symmetric casing drilling bit for loose rock formation Product category: ntegral symmetric casing drilling tools Matched hammer: Hammer SD10 Matched casing pipe OD: 323mm ... Read More

Product name: 139mm symmetric casing drilling bit with T45 thread connection for tunneling Product category: Symmetric casing drilling system Matched connection: T45 Matched casing pipe OD: 139mm MING Ring Bit ... Read More

Product name: 133MM MRING single-use symmetric caisng drilling system for water well drilling Product category: Symmetric casing drilling system Matched hammer: Hammer DHD340 Matched casing pipe OD: 133mm ... Read More