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Button drill bits, on the other hand, are characterized by the array of small, diamond- or tungsten-carbide-coated buttons strategically positioned on the bit face. These buttons act as cutting tools, wearing down the rock surface as the bit rotates. In the case of rock button bits, the carbide material is exceptionally hard and wear-resistant, capable of withstanding the harsh conditions encountered in drilling through various types of rocks.

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The primary allure of carbide conical buttons bits lies in their unique design. The conical shape allows for an optimized point load distribution, enhancing the penetration rate and drilling efficiency. The carbide material, typically tungsten carbide, is renowned for its exceptional hardness and wear resistance, ensuring longevity even under extreme pressure and abrasive conditions. This combination results in a tool that can effectively break down hard rock without frequent replacements, thereby reducing downtime and increasing productivity.

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The drilling process itself involves a technique known as 'circulation.' A drilling fluid, commonly referred to as 'mud,' is continuously pumped down the drill string, through the bit, and back up the annulus between the drill string and the walls of the hole. This fluid serves multiple purposes it cools and lubricates the bit, carries cuttings to the surface, stabilizes the borehole, and provides hydrostatic pressure to prevent underground fluids from entering.

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