down the hole drill bits online manufacture

Product name: 95mm 3 Inch COP32 Shank DTH Hammer Drill Button Bit For Engineering Geology Drilling Product category: DTH drill tools Matched hammer: Hammer COP32 Diameter: 95mm KINGDRILLING high air pressure ... Read More

Product name: 610MM MXH horizontal casing drilling bit for tunneling Product category: horizontal casing drilling bit Matched hammer: Hammer N180 Matched casing pipe OD: 610mm MXH horizontal casing drilling bit ... Read More

Product name: 219mm MSX slide block under reaming drilling system for drilling rig Product category: Under reaming casing drilling tools Matched hammer: Hammer DHD360 Matched casing pipe OD: 219mm Kingdrilling ... Read More

Product name: 5inch high air pressure DTH drill hammer with SD5 shank for piling and foundation Product category: Drilling rig accessories Matched hammer: Hammer COP44 Connection thread: API2-3/8"REG/ API2-7/8... Read More

Product Name: 188mm MRE140 DHD350 Hammer Shank Overburden Concentric Casing Drilling System For Construction Machinery Matched hammer: Hammer DHD350 Matched casing pipe OD: 140mm MRE Concentric under reaming ... Read More

Product Name: 215mm MRE165 DHD360 Hammer Shank Symmetric Concentric Casing Drilling System For Rock Formation Matched hammer: Hammer DHD360 Matched casing pipe OD: 165mm MRE Concentric under reaming drilling ... Read More

Product Name: 238mm MRE190 DHD360 Hammer Shank Symmetric Concentric Casing Drilling System For Coal Mining Matched hammer: Hammer DHD360 Matched casing pipe OD: 190mm MRE Concentric under reaming drilling ... Read More

Product Name: 276mm MRE215 Symmetric Concentric Casing Drilling System With DHD380 Hammer Shank For Exploration Matched hammer: Hammer DHD380 Matched casing pipe OD: 215mm MRE Concentric under reaming drilling ... Read More

Product Name: 293mm MRE235 Symmetric Concentric Casing Drilling System With DHD380 Hammer Shank For Oil Drill Matched hammer: Hammer DHD380 Matched casing pipe OD: 235mm MRE Concentric under reaming drilling ... Read More

Product Name: 5 Inch High Air Pressure DTH Drill Hammer With SD Shank For Mineral Drilling Model : MH50SD Ref. Type :SD5 OD(mm):125mm Hole range(mm): 155~190mm Length(mm): 1090mm Connection Thread: API2-3/8"REG... Read More