<h3>Carbide-Tipped Metal Drill Bit</h3><br/><p>A metal drill bit with a carbide insert, designed for demanding applications where standard HSS drills are no longer sufficient. Thanks to the use of extremely hard materials, it offers significantly improved durability and cutting performance.</p><br/><h3>Technical Specifications</h3><br/><ul><br/><li><br/><p>Diameter: <strong>7 mm</strong></p><br/></li><br/><li><br/><p>Overall length: <strong>85 mm</strong></p><br/></li><br/><li><br/><p>Working length: <strong>48 mm</strong></p><br/></li><br/><li><br/><p>Speed: <strong>1000–1500 rpm</strong></p><br/></li><br/><li><br/><p>Cutting element: <strong>YG8 cemented carbide</strong></p><br/></li><br/><li><br/><p>Hardness: <strong>90 HRA (~70 HRC)</strong></p><br/></li><br/><li><br/><p>Body: <strong>40CR steel</strong></p><br/></li><br/></ul><br/><h3>Product Features</h3><br/><h4>Extreme hardness and durability of the cutting edge</h4><br/><p>YG8 cemented carbide reaches a hardness of approx. 90 HRA (~70 HRC), which means:</p><br/><ul><br/><li><br/><p>the cutting edge wears much more slowly</p><br/></li><br/><li><br/><p>it retains sharpness even during intensive use</p><br/></li><br/><li><br/><p>it allows drilling in harder-to-machine materials</p><br/></li><br/></ul><br/><p>This solution is especially appreciated by users working in continuous or serial production.</p><br/><h4>High wear resistance</h4><br/><p>Compared to standard drill bits:</p><br/><ul><br/><li><br/><p>the cutting surface wears down much more slowly</p><br/></li><br/><li><br/><p>the tool maintains its performance parameters for longer</p><br/></li><br/><li><br/><p>the need for frequent drill replacement is reduced</p><br/></li><br/></ul><br/><p>Result: savings in time and operating costs</p><br/><h4>Stable performance at high temperatures</h4><br/><p>Drilling in metals generates very high temperatures. Cemented carbide:</p><br/><ul><br/><li><br/><p>does not lose hardness as quickly as HSS</p><br/></li><br/><li><br/><p>does not dull due to overheating</p><br/></li><br/><li><br/><p>ensures stable cutting even under higher loads</p><br/></li><br/></ul><br/><h4>Important operating information (honest and professional)</h4><br/><p>Cemented carbide, in addition to its advantages, also has specific properties:</p><br/><ul><br/><li><br/><p>it is hard but brittle</p><br/></li><br/><li><br/><p>it does not tolerate impacts or hammering action</p><br/></li><br/><li><br/><p>it is sensitive to lateral loads and misalignment</p><br/></li><br/></ul><br/><p>Therefore, for best results it is recommended to:</p><br/><ul><br/><li><br/><p>use stable guidance (e.g. a drill press)</p><br/></li><br/><li><br/><p>avoid “manual angled pressure”</p><br/></li><br/><li><br/><p>work with properly selected speed and feed rate</p><br/></li><br/></ul>