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At its core, an extension drill rod consists of a long, slim shaft designed to connect to a drill chuck at one end and a drill bit at the other. Made from high-quality materials such as carbon steel or titanium alloys, these rods are not only durable but also flexible enough to navigate through tight spaces and around corners. Their length varies, ranging from a few inches to several feet, allowing operators to select the appropriate size for their specific needs.

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When using hardened drill bits, it's essential to follow proper techniques to maximize their lifespan. Applying moderate pressure and maintaining a consistent speed can prevent overheating and premature wear Applying moderate pressure and maintaining a consistent speed can prevent overheating and premature wear Applying moderate pressure and maintaining a consistent speed can prevent overheating and premature wear Applying moderate pressure and maintaining a consistent speed can prevent overheating and premature wearhardened drill bits. Additionally, using a lubricant like cutting oil can significantly improve the drilling efficiency and bit life.

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