directional boring bit online manufacture

Product name: 273mm MRING tunneling casing drilling ring bit for 8 inch DTH hammer Product category: Concentric casing drilling system Matched hammer: Hammer DHD380 Matched casing pipe OD: 273mm MRING tunneling ... 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: 194mm new design 3 reamers concentric casing drilling system for civil engineering Product category: Overburden symmetric casing drilling bits Matched hammer: Hammer DHD360 Matched casing pipe OD: ... 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: R32 diameter 45mm thread DTH button bit for blast hole drilling Product category: DTH thread button drill bit Matched connection: R38 Diameter: 76mmz other diameter: 43mm, 45mm, 48mm, 51mm, 57mm, ... Read More

Product name: R32 diameter 76mm normal thread DTH button bit Product category: DTH thread button drill bit Matched connection: R32 Diameter: 76mmz other diameter: 43mm, 45mm, 48mm, 51mm, 57mm, 64mm, 76mm Skirt ... Read More

Product name: 4.0P KNSH130 DTH Down The Hole Hammer Bits For Coal Mining Rock Drilling Product category: drilling rig accessories Matched hammer: Hammer Connection thread: F72*10 PIN Working pressure(bar):7-11 ... Read More

Product name: U85 30mm Shank Diameter Coal Mining Bits With Enhanced Structure For Drilling Other name: Coal cutter picks Product category: mining picks Type: U85 Shank Diameter: 30mm KINGDRILLING mining cutter ... Read More

Product name: 120mm 4 Inch SD4 Shank High Air Pressure Down The Hole DTH Drill Bit For Construction Product category: DTH drill tools Matched hammer: Hammer SD4 Diameter: 120 mm KINGDRILLING high air pressure ... Read More

Product name: Single-use 127mm Overburden Casing drilling ringbit Product category: Overburden casing drilling system Matched hammer: Hammer DHD340 Matched casing pipe OD: 127mm Single-use Overburden Casing ... Read More