12 1/4" Tricone Bit IADC 537 , 311.15mm Roller Bit, Rock Drill Bit
12 1/4" Tricone Bit IADC 537 , 311.15mm Roller Bit, Rock Drill Bit
Shop our high-quality rock drill bits, including the 12 1/4 Tricone Bit IADC 537 and 311.15mm Roller Bit. As a factory, we guarantee superior craftsmanship.