casing drilling bit online manufacture

Product name: 5inch high air pressure DTH hammer with DHD350 shank for drilling rig Product category: Drilling rig accessories Matched hammer: Hammer DHD350 Connection thread: API 2 3/8 REG Working pressure(bar... Read More

Product name: CIR150 Down The Hole Low Air Pressure DTH Drill Hammer For Rock Formations Product category: Down The Hole Hammer Connection thread: F70*10BOX Working pressure(bar): 6-12 Hole range(mm): 150~200 ... Read More

Product name: CIR170 Down The Hole Low Air Pressure DTH Drill Hammer For Medium Mini-Type Grouting Hole Of Building Product category: Down The Hole Hammer Connection thread: F70*10BOX Working pressure(bar): ... Read More

Product name: Russian bayonet 130PB shank DTH drilling hammer for quarrying Product category: Quarrying drilling bit Matched hammer: Hammer 130PB Connection thread: Bayonet Impact power: 4.0 Working pressure... Read More

Product Name: 4 Inch QL Down The Hole High Air Pressure DTH Drill Hammer For Rock Formation Model : MH40Q Ref. Type :QL40 OD(mm):99mm Hole range(mm): 110~135mm Length(mm): 1070mm Connection Thread: API2-3/8"REG ... Read More

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Product name: CIR200 Down The Hole Low Air Pressure DTH Drill Hammer For Demand Harbor Project Product category: Down The Hole Hammer Connection thread: F100*28PIN Working pressure(bar): 8~14 Hole range(mm): ... Read More

Product Name: 12 Inch Down The Hole SD Shank High Air Pressure DTH Drill Hammer For Oil Drilling Model : MH120SD Ref. Type :SD12 OD(mm):275mm Hole range(mm): 305~445mm Length(mm): 1860mm Connection Thread: API6... Read More

Product name: 8 Inch Down The Hole High Air Pressure DTH Drill Hammer For Well Drilling Product category: Down The Hole Hammer DTH hammer is a powerful drilling tool that provides excellent drilling quality, ... Read More

Product name: Atlas Copco COP1550 T38 525mm Shank Adapter For Borehole Drilling Machine Product category: Shank adapter Matched: Atlas Copco COP1440, COP1550, COP1838 Thread: T38 Length: 525MM KINGDRILLING ... Read More