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DTH Button Drill Bits Tungsten Carbide Drill Bit Water Well Drilling Bit. High Penetration Rate: Delivers exceptional drilling speed in hard rock formations like granite and quartzite. Customizable Carbide Grade: Tungsten carbide grade and button shape can be customized for specific applications. Extended Service Life: Heat-treated steel matrix and wear-resistant buttons reduce premature failure. Efficient Cuttings Removal: Optimized venturi channel design ensures efficiency under extreme downhole pressure. Versatile Application: Suitable for carbonate, limestone, sandstone, and other soft to hard rock types. Competitive Pricing: High performance and wear resistance offered at a competitive market price.