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