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