Wholesale mining well tricone drilling bits with discounted price from China factory. Bit Description: IADC: 825-TCI sealed roller bearing bit with gauge protection for extremely hard and abrasive formations. Compressive Strength: 100-150 MPA 14,500-23,000 PSI Ground Description: Hard, well-compacted rocks such as :hard silica limestones,quarzite streaks,pyrite ores,hematite ores,magnetite ores,chromium ores,phosphorite ores,and granites. We can offer mining tricone rock drill bits in a variety of sizes and most of IADC Codes.Regarding the choice of bit type, design characteristics and secondary features must achieve an optimal balance between high rate of penetration(ROP) and long service life.When achieved together,these parameters enalbe a reduced total drilling cost(TDC) for our customs. Far Eastern goal is provide the best quality products and service to our customs.We have professional R&D tea,.dp,estoc advanced production equipment and precision instruments .Reduce the cost, speed the driilling,guarantee the safety is always our aim. Win-win cooperation is our ultimate pursuit. Contact us feel free if you are finding drilling bit factory.