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China Manufacturer Steel Body 3 Wings PDC Non Coring Drill Bit With 3 1/2 Inch Reg Thread 60mm,75mm,95mm,122mm Core Drill Bit For Well Drilling Three ...

Non-Coring Water Well Drilling PDC Drill Bit Concave Drilling Bit Product Description: PDC drill bit uses PDC as main cutting components, with the ...

Hot Sale Non-Coring PDC Drilling Bits Export Worldwide Product Parameter: Bit Type 6” GM1605T IADC Code M423 Blade 5 Cutter Size (mm) Φ16;Φ13 Cutter ...

Eccentric drilling bit for down hole drilling rid of friction welding,drilling bits 1. Product description: The eccentric bit is a bit whose center of ...

75mm 3 inch drill down the hole rock button drill bits / cobalt drill bits 1. Description A). 3 inch Low Air Pressure DTH Drill Hammer bit cir70-75mm ...

Down Hole Drilling Bit Eccentric Drill Bit Long Life Span Drilling Tool 1. Product description The eccentric bit is a bit whose center of the bit ...

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Longer Life Wear Resistance Pdc Hard Rock Drill Drag Bits For Geological Exploration Diamond composite (PDC) bit, with diamond composite as the main ...

178mm DTH drilling rig tools for DHD360 High air pressure rock button bits dth hammer drill bit 1. Product description Diameter (mm) No. * Button ...

60mm,75mm,95mm,122mm Core Drill Bit For Well Drilling Three Wings/tricone PDC Drill Bits for coal mine opening hole We specialized in manufacturing ...

178mm DTH drilling rig tools High speed rock button bits dth hammer drill bit 1.Product description Diameter (mm) No. * Button diameter (mm) Gauge...

Water Well Drilling PDC Drag Bit,3 Blade PDC Bit ,Drag Bit We specialized in manufacturing Drill Rods, Casings, Core barrels, Diamond bits, Reaming ...