hole opener bit online manufacture

Product name: 135mm 5 Inch SD5 Shank High Air Pressure DTH Drill Bit For Stone Drilling Product category: DTH drill tools Matched hammer: Hammer SD5 Diameter: 135 mm KINGDRILLING high air pressure DTH button ... Read More

Product name: QL50 135mm 5 Inch High Air Pressure DTH Drill Button Bits For Underground Coal Mining Product category: DTH drill tools Matched hammer: Hammer QL50 Diameter: 135 mm KINGDRILLING high air pressure ... Read More

Product name:12 inch high air pressure pneumatic dth hammer with NUMA120 shank for drilling rig Connection thread: API6-5/8REG Working pressure(bar): 7~25 Outer diameter(mm): 275 Weight(KGS): 700 Bit diameter ... Read More

Product name: 152mm 6 Inch COP64 Shank High Air Pressure Drill Button Bits For Rock Drilling Product category: DTH drill tools Matched hammer: Hammer COP64 Diameter: 152 mm KINGDRILLING high air pressure DTH ... Read More

Product name: 125mm MSX90 Overburden Symmetrix Casing Drilling System Bit with slide block For Drilling Rig Equipment Product category: Concentric casing drilling tools Matched hammer: Hammer DHD3.5 Matched ... Read More

Product name: 530mm MNX460 Concentric Symmetric Casing Drilling System Bits For Borehole Drilling Machine Product category: Concentric Casing Drilling Bit Matched hammer: Hammer SD18 Matched casing pipe OD: ... Read More

Product name: 635mm MNX560 Concentric Symmetric Casing Drilling System Bits For Diamond Drilling Tools Product category: Concentric Casing Drilling Bit Matched hammer: Hammer N180 Matched casing pipe OD: 560mm ... Read More

Product name: 695mm MNX610 Concentric Symmetric Casing Drilling System Bits For Coal Mining Equipment Product category: Concentric Casing Drilling Bit Matched hammer: Hammer N240 Matched casing pipe OD: 610mm ... Read More

Product name: 478mm MNX410 Concentric Symmetric Casing Drilling System Bits For Rock Drilling Tools Product category: Concentric Casing Drilling Bit Matched hammer: Hammer N125 Matched casing pipe OD: 410mm MNX ... Read More

Product name: T38 Thread 3050mm Length Diamond MM Extension Rod For Mineral Water Well Drilling Product category: Drilling rod Threaded Connection: T38 Length: 3050mm High-strength alloy steel is used to make ... Read More