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In conclusion, hardened drill bits are indispensable tools in professional and DIY projects that demand strength, durability, and precision. Their ability to handle rigorous tasks and maintain sharpness over time makes them a worthwhile investment. However, understanding their limitations and using them correctly is crucial to ensure their longevity and optimal performance. Always choose the right type of hardened drill bit for the job, handle them with care, and maintain them properly to get the best results from these robust tools.

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In conclusion, the jack hammer drilling rod is more than just a piece of equipment; it is a symbol of human ingenuity and the backbone of many heavy-duty drilling operations. Despite the advancements in technology, its reliability and effectiveness have ensured its continued use in the industry. As we continue to push the boundaries of construction and exploration, the jack hammer drilling rod remains a trusted ally in our quest to shape and reshape the world around us.

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Crafted from high-carbon steel or more resilient materials like cobalt, the 75mm drill bit boasts a hard-wearing composition that ensures longevity. Its tempered surface resists corrosion and maintains a sharp cutting edge even under the relentless strain of contact with concrete, stone, or metal. A coating of black oxide or titanium can enhance this durability further, providing an additional layer of protection against the heat and friction generated during operation.

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