coal drill bit online manufacture

Product name: 41mm 11 Degree Tapered Button Bits Taper Bit With Drill Pipe For Coal Mineral Drilling Product category: DTH taper drill bit Matched connection: 11 degree taper Diameter: 41mm KINGDRILLING DTH ... Read More

Product name: 1090mm N240 Hammer MXH Overburden Casing Drilling Bit System For Coal Mining Equipment Product category: horizontal directional drilling bit Matched hammer: Hammer N240 Matched casing pipe OD: ... Read More

Product name: 130mm DTH Hole Opener Drill Bit With DHD3.5 Shank For Coal Mining Tools Product category: Hole Opener Drill Bit Matched connection: DHD3.5 Reamer Dia: 130mm Carbide: spherical, ballistic... Read More

Product name: 165mm DHD3.5 Shank DTH Hole Opener Drill Bit For Coal Mining Equipment Product category: DTH drill bit Matched connection: DHD3.5 Shank Reamer Dia: 165mm KINGDRILLING DTH thread button bit ... Read More

Product name: 120mm QL40 Shank 4 Inch Down The Hole High Air Pressure Drill Bits For Oil Drilling Matched hammer: Hammer QL40 Diameter: 120 mm KINGDRILLING high air pressure DTH button bit description: Down-the... Read More

Product name: 195mm NMK5E Concentric Overburden Casing Drilling Bits With 3 Middle Wings For Well Drilling Product category: Concentric drilling tools Matched hammer: Hammer DHD340 Reaming Diameter(mm): 195mm ... Read More

Product Description Kingdrilling rock drilling button bits are widely used in all kinds of mining, drilling, quarrying, engineering, construction, water well drilling, oil exploring etc. Retract thread button ... Read More

Product name: New design108mm concentric 3 wings casing drilling bit for CIR90 Product category: Overburden casing drilling tools Matched hammer: Hammer CIR90 Matched casing pipe OD: 108mm New design concentric ... Read More

Product name: Extention T51 Thread extention rod Product category: Drilling rod Threaded Connection: R22, R25, R32, R38, T38, T45, T51 Length: 1830mm KINGDRILLING thread drill rods are made of high-intensity ... Read More

Product name: API Connection Pin Box Drill Pipe Product category: Drilling PIPE Threaded Connection: API 3-3/8 API REG Length: 3000mm KINGDRILLING DRILL PIPE DESCRIPTION: DTH drill rods (also called as drill ... Read More