casing drilling bit 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: High performance 194mm 3 middle wings concentric casing drilling bit for construction Product category: Concentric drilling tools Matched hammer: Hammer DHD360 Matched casing pipe OD: 194mm High ... Read More

Product name: Water well drilling 219mm new design 3 middle wings symmetric casing drilling bit Product category: Overburden symmetric drilling tools Matched hammer: Hammer DHD360 Matched casing pipe OD: 219mm ... Read More

Product name: 125mm Mring Overburden Concentric Casing Drilling System Recycle Ring Bit For Rock Well Drilling Product category: Symmetric casing ring bit Matched hammer: Hammer DHD3.5 Matched casing pipe OD: ... Read More

Product name: 210mm DTH Hole Opener Drill Bit With DHD380 Shank For Mineral Exploration Drilling Rig Product category: DTH drill bit Matched connection: DHD380 Shank Reamer Dia: 381mm Guide Dia.: 210mm ... Read More

Product name: 311mm DTH Hole Opener Drill Bit With DHD112 Shank For Engineering Geology Drilling Rig Product category: DTH drill bit Matched connection: DHD112 Shank Reamer Dia: 444.5mm Guide Dia.: 311mm ... Read More

Product name:MK3E ODEX146mm middle reamer casing drilling system for piling Casing pipe OD: 146mm Available for casing size from 89mm to 323mm. Optimal drilling performance in unstable ground conditions. The ... 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: Complex layer 146mm concentric casing drilling bit for construction Product category: Overburden concentric casing bit Matched hammer: Hammer DHD340 Matched casing pipe OD: 146mm Complex layer ... Read More

Product name: 7 Degree tapered blade drill bit Product category: DTH taper drill bit Matched connection: 7 degree taper Diameter: 32mm KINGDRILLING DTH taper drill bit description: Taper cross X bits are tend ... Read More