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