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5 Blades PDC Drill Bit For Limestone Shale Water Well / Gas Oil Well Drilling
F4446 M432 PDC Drill Bit For Formation Grade Four Classes Hard
Muti Color Tungsten Carbide PDC Drill Bit For Mineral Exploration Industry
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5 Pieces HQ Core Bit
IADC F4455D / M422 PDC Drill Bit Short Parabola Crown Profile With Ø16 Cutters
4 Blades PDC Drill Bit F4455HB / M422 Tci Drill Bit For Rock Drilling
F4456HY M422 PDC Drill Bit Short Parabola Crown Profile Ø16 / Ø19 Cutters
4 Blades PDC Tricone Drill Bits Rock Drill Bits F4465Y M432
10 5/8" ( 270mm ) Deris 6 Blades Steel Body PDC Drill Bit For Well
3 Blade Iadc S132 Pdc Bit 4-1/2" With 2-3/8" Api For Sandstone And Shale
Single Tube Diamond Tip Drill Bit Hot Pressed Sintered Dia 28 - 200mm
Tungsten Carbide PDC Drill Bit Diamond Bit / Reamer Forging Processing
89mm Dual Tube Diamond Drill Bit For Geological Exploration Drilling