7 7/8" (200mm) PDC bit oil gas drilling bit
7 1/2" (190.5mm) PDC BIT hard rock drill bit tool
8 1/2"(215.9mm）steel body PDC drill bit PDC drilling bit
15 1/2"inches 393.7mm IADC 517 TCI tricone roller cone drill bit water well drill bit
12 1/4'' inches 311.1mm IADC 617 TCI Tricone Drill Bit For Hard Rock Drilling
3 7/8'' inches 98mm IADC CODE 537 tricone tungsten carbide insert drill bit
14 3/4"inches (374.6mm) IADC537 TCI tricone drill bit roller cone bit oilfield drilling bit
14 1/2" IADC 535 TCI tricone drill bits water well drilling bit Custom sizes available
Our main products: tricone bits, PDC bits, HDD hole opener, foundation single roller cutters,drag bit and related tools
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