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The design of the 75mm drill bit is a study in mechanical efficiency. Its spiral flute—the helical groove that wraps around the bit shaft—is engineered to expel chips and dust efficiently, preventing jamming and reducing the wear on the bit and the drill motor Its spiral flute—the helical groove that wraps around the bit shaft—is engineered to expel chips and dust efficiently, preventing jamming and reducing the wear on the bit and the drill motor
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Their operation is straightforward as well. They are commonly used with a drill press for accuracy and stability, but can also be employed with a hand drill, albeit with less precision. The central point guides the bit while the flat edges cut away the material. However, due to their size and design, they are not suitable for drilling into harder materials like metal or masonry However, due to their size and design, they are not suitable for drilling into harder materials like metal or masonry
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