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