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High Hardness Diamond Three Wing Three Tooth Blast Furnace Rock Drill Bit. Customization Available: Customized options available for size, alloy grade, and specific application needs. Wear and Impact Resistant: Designed to withstand high temperature, heavy load, and hard rock abrasion. Universal Compatibility: Support thread and tapered connection match various rock drills and furnace machines. Long Service Life: Low failure rate and repairable design ensure extended operational lifespan. Multiple Alloy Grades: Available in YG8 and Yg11 tungsten carbide grades for different drilling conditions.