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Moreover, speed drill rods often feature advanced coatings and surface treatments that resist wear and corrosion. These protective layers enhance the rod's resistance to abrasive materials, prolonging its service life and maintaining optimal drilling performance. As a result, drillers can achieve greater depths with fewer rod replacements, leading to increased operational efficiency As a result, drillers can achieve greater depths with fewer rod replacements, leading to increased operational efficiency
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For larger drill bits, a taper shank may be used. Taper shanks have a gradual taper that allows them to fit securely into a drill press or lathe
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