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andorra 14 3/4" 5 blades PDC bit
andorra 132mm 3 blades diamond bit
andorra 4 blades PDC diamond bit
andorra roller cutters for rock reamer
andorra replaceable roller cones for reamer bit
andorra 7 7/8”3 blades diamond PDC bit
andorra 12 1/4inch Hybrid drill bit
andorra 17 1/2inch Hybrid pdc drill bit
andorra 9 7/8 tricone bit for mining,iadc825
andorra 26inch steel tooth bit iadc115
andorra 8 3/4inch pdc bit,steel body, 4 blades
andorra 12.25 IADC317 steel tooth tricone bit
andorra 12.25 IADC127 tricone roller bit
andorra 12.25 IADC126 steel body PDC bit
andorra 12.25 IADC117 steel tooth tricone bit
andorra 8.5 IADC127 milled tooth tricone bit
