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