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